Check DNS, Urls + Redirects, Certificates and Content of your Website



C

More then one http status 200 as result

Checked:
14.01.2022 07:50:16


Older results

No older results found


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
2lu.net
A
39.99.185.76
Beijing/China (CN) - Hangzhou Alibaba Advertising Co
No Hostname found
yes
1
0

AAAA

yes


www.2lu.net
A
39.99.185.76
Beijing/China (CN) - Hangzhou Alibaba Advertising Co
No Hostname found
yes
1
0

AAAA

yes


*.2lu.net
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes



2. DNSSEC

Zone (*)DNSSEC - Informations

Zone: (root)
(root)
1 DS RR published



DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest 4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=



Status: Valid because published



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 9799, Flags 256



Public Key with Algorithm 8, KeyTag 20326, Flags 257 (SEP = Secure Entry Point)



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 01.02.2022, 00:00:00 +, Signature-Inception: 11.01.2022, 00:00:00 +, KeyTag 20326, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 20326 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest "4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: net
net
1 DS RR in the parent zone found



DS with Algorithm 8, KeyTag 35886, DigestType 2 and Digest eGKyf19Rbr4ZaARE1M5edimBkxhCxGXwAjZAHYvZc+4=



1 RRSIG RR to validate DS RR found



RRSIG-Owner net., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 27.01.2022, 05:00:00 +, Signature-Inception: 14.01.2022, 04:00:00 +, KeyTag 9799, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 9799 used to validate the DS RRSet in the parent zone



3 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 4604, Flags 256



Public Key with Algorithm 8, KeyTag 35886, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 40649, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner net., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 19.01.2022, 17:28:30 +, Signature-Inception: 04.01.2022, 17:23:30 +, KeyTag 35886, Signer-Name: net



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 35886 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 35886, DigestType 2 and Digest "eGKyf19Rbr4ZaARE1M5edimBkxhCxGXwAjZAHYvZc+4=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: 2lu.net
2lu.net
0 DS RR in the parent zone found



DS-Query in the parent zone has a valid NSEC3 RR as result with the hashed query name "2m6b80gjv82gcidthir1440gvffeks1f" between the hashed NSEC3-owner "2m690iuvrtlleqbarqm5qmj6kq1kstad" and the hashed NextOwner "2m6c6lv13kt5iaemk9grov6tbta4c0ed". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner 2m690iuvrtlleqbarqm5qmj6kq1kstad.net., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 20.01.2022, 06:47:42 +, Signature-Inception: 13.01.2022, 05:37:42 +, KeyTag 40649, Signer-Name: net



DS-Query in the parent zone sends valid NSEC3 RR with the Hash "a1rt98bs5qgc9nfi51s9hci47uljg6jh" as Owner. That's the Hash of "net" with the NextHashedOwnerName "a1rtlnpgulogn7b9a62shje1u3ttp8dr". So that domain name is the Closest Encloser of "2lu.net". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner a1rt98bs5qgc9nfi51s9hci47uljg6jh.net., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 19.01.2022, 06:48:22 +, Signature-Inception: 12.01.2022, 05:38:22 +, KeyTag 40649, Signer-Name: net



0 DNSKEY RR found




Zone: www.2lu.net
www.2lu.net
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.2lu.net
  dns17.hichina.com

2lu.net
  dns17.hichina.com
106.11.141.117
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
106.11.211.57
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
106.11.211.67
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
120.76.107.40
Shenzhen/Guangdong/China (CN) - Hangzhou Alibaba Advertising Co


 
139.224.142.110
Shanghai/China (CN) - Addresses CNNIC


 
140.205.41.17
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
140.205.81.17
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
140.205.81.27
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
39.96.153.40
Beijing/China (CN) - Hangzhou Alibaba Advertising Co


 
47.118.199.200
Hangzhou/Zhejiang/China (CN) - Addresses CNNIC


 
2400:3200:2000:36::1
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


  dns18.hichina.com
106.11.141.118
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
106.11.211.58
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
106.11.211.68
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
120.76.107.38
Shenzhen/Guangdong/China (CN) - Hangzhou Alibaba Advertising Co


 
139.224.142.108
Shanghai/China (CN) - Addresses CNNIC


 
140.205.41.18
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
140.205.81.18
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
140.205.81.28
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co


 
39.96.153.38
Beijing/China (CN) - Hangzhou Alibaba Advertising Co


 
47.118.199.198
Hangzhou/Zhejiang/China (CN) - Addresses CNNIC


 
2400:3200:2000:37::1
Hangzhou/Zhejiang/China (CN) - Hangzhou Alibaba Advertising Co

net
  a.gtld-servers.net


  b.gtld-servers.net


  c.gtld-servers.net


  d.gtld-servers.net


  e.gtld-servers.net


  f.gtld-servers.net


  g.gtld-servers.net


  h.gtld-servers.net


  i.gtld-servers.net


  j.gtld-servers.net


  k.gtld-servers.net


  l.gtld-servers.net


  m.gtld-servers.net


4. SOA-Entries


Domain:net
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:13


Domain:2lu.net
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:3


Domain:2lu.net
Zone-Name:2lu.net
Primary:dns17.hichina.com
Mail:hostmaster.hichina.com
Serial:2020011308
Refresh:3600
Retry:1200
Expire:86400
TTL:360
num Entries:12


Domain:2lu.net
Zone-Name:2lu.net
Primary:dns17.hichina.com
Mail:hostmaster.hichina.com
Serial:2021090218
Refresh:3600
Retry:1200
Expire:86400
TTL:600
num Entries:7


Domain:www.2lu.net
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

Startaddress: https://2lu.net, address used: https://2lu.net/, Screenshot created 2022-01-14 07:55:46 +00:0

Mobil (412px x 732px)

1277 milliseconds

Screenshot mobile - https://2lu.net/
Mobil + Landscape (732px x 412px)

1265 milliseconds

Screenshot mobile landscape - https://2lu.net/
Screen (1280px x 1680px)

4610 milliseconds

Screenshot Desktop - https://2lu.net/

Mobile- and other Chrome-Checks

widthheight
visual Viewport412732
content Size412732

Good: No horizontal scrollbar. Content-size width = visual Viewport width.

Chrome-Connection: secure. secure connection settings. The connection to this site is encrypted and authenticated using TLS 1.2, ECDHE_RSA with X25519, and CHACHA20_POLY1305.

Chrome-Resources : secure. all served securely. All resources on this page are served securely.

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://2lu.net/
39.99.185.76
301
https://2lu.net/
Html is minified: 107.78 %
0.640
A
Server: nginx/1.14.0 (Ubuntu)
Date: Fri, 14 Jan 2022 06:53:41 GMT
Content-Type: text/html
Content-Length: 194
Connection: close
Location: https://2lu.net/

• http://www.2lu.net/
39.99.185.76
301
https://www.2lu.net/
Html is minified: 107.78 %
0.626
A
Server: nginx/1.14.0 (Ubuntu)
Date: Fri, 14 Jan 2022 06:53:41 GMT
Content-Type: text/html
Content-Length: 194
Connection: close
Location: https://www.2lu.net/

• https://2lu.net/
39.99.185.76 GZip used - 2682 / 6642 - 59.62 %
Inline-JavaScript (∑/total): 4/191 Inline-CSS (∑/total): 1/3477
200

Html is minified: 324.16 %
10.310
B
small visible content (num chars: 31)
传递IT知识 沪ICP备20008381号 服务条款 网站收录
Server: nginx/1.14.0 (Ubuntu)
Date: Fri, 14 Jan 2022 06:53:43 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
Content-Encoding: gzip

• https://www.2lu.net/
39.99.185.76 GZip used - 2682 / 6642 - 59.62 %
Inline-JavaScript (∑/total): 4/191 Inline-CSS (∑/total): 1/3477
200

Html is minified: 324.16 %
10.623
B
small visible content (num chars: 31)
传递IT知识 沪ICP备20008381号 服务条款 网站收录
Server: nginx/1.14.0 (Ubuntu)
Date: Fri, 14 Jan 2022 06:53:55 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
Content-Encoding: gzip

• http://2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
39.99.185.76
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
301
https://2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Html is minified: 107.78 %
0.576
A
Visible Content: 301 Moved Permanently nginx/1.14.0 (Ubuntu)
Server: nginx/1.14.0 (Ubuntu)
Date: Fri, 14 Jan 2022 06:54:06 GMT
Content-Type: text/html
Content-Length: 194
Connection: close
Location: https://2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

• http://www.2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
39.99.185.76
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
301
https://www.2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Html is minified: 107.78 %
0.577
A
Visible Content: 301 Moved Permanently nginx/1.14.0 (Ubuntu)
Server: nginx/1.14.0 (Ubuntu)
Date: Fri, 14 Jan 2022 06:54:06 GMT
Content-Type: text/html
Content-Length: 194
Connection: close
Location: https://www.2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

• https://2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
GZip used - 120 / 114 - -5.26 %
Inline-JavaScript (∑/total): 1/43 Inline-CSS (∑/total): 0/0
404

Html is minified: 219.23 %
10.183
A
Not Found
Visible Content: You Got the wrong way! Go Home
Info: Html-Content with meta and/or script, may be a problem creating a Letsencrypt certificate using http-01 validation
<b>You Got the wrong way!</b> <a href="/">Go Home</a><script>window.location.replace("https://2lu.net");</script>
Server: nginx/1.14.0 (Ubuntu)
Date: Fri, 14 Jan 2022 06:54:32 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
Content-Encoding: gzip

• https://www.2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
GZip used - 120 / 114 - -5.26 %
Inline-JavaScript (∑/total): 1/43 Inline-CSS (∑/total): 0/0
404

Html is minified: 219.23 %
11.857
A
Not Found
Visible Content: You Got the wrong way! Go Home
Info: Html-Content with meta and/or script, may be a problem creating a Letsencrypt certificate using http-01 validation
<b>You Got the wrong way!</b> <a href="/">Go Home</a><script>window.location.replace("https://2lu.net");</script>
Server: nginx/1.14.0 (Ubuntu)
Date: Fri, 14 Jan 2022 06:54:47 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
Content-Encoding: gzip

• https://39.99.185.76/
39.99.185.76 GZip used - 2682 / 6642 - 59.62 %
Inline-JavaScript (∑/total): 4/191 Inline-CSS (∑/total): 1/3477
200

Html is minified: 324.16 %
23.217
N
Certificate error: RemoteCertificateNameMismatch
small visible content (num chars: 31)
传递IT知识 沪ICP备20008381号 服务条款 网站收录
Server: nginx/1.14.0 (Ubuntu)
Date: Fri, 14 Jan 2022 06:54:08 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
Content-Encoding: gzip

7. Comments


1. General Results, most used to calculate the result

Aname "2lu.net" is domain, public suffix is ".net", top-level-domain is ".net", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services", num .net-domains preloaded: 7088 (complete: 175327)
Agood: All ip addresses are public addresses
Warning: Only one ip address found: 2lu.net has only one ip address.
Warning: Only one ip address found: www.2lu.net has only one ip address.
Warning: No ipv6 address found. Ipv6 is the future with a lot of new features. So every domain name should have an ipv6 address. See https://en.wikipedia.org/wiki/IPv6: 2lu.net has no ipv6 address.
Warning: No ipv6 address found. Ipv6 is the future with a lot of new features. So every domain name should have an ipv6 address. See https://en.wikipedia.org/wiki/IPv6: www.2lu.net has no ipv6 address.
Agood: No asked Authoritative Name Server had a timeout
Agood: destination is https
AGood: No cookie sent via http.
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
AGood: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset)
Ahttp://2lu.net/ 39.99.185.76
301
https://2lu.net/
correct redirect http - https with the same domain name
Ahttp://www.2lu.net/ 39.99.185.76
301
https://www.2lu.net/
correct redirect http - https with the same domain name
Bhttps://2lu.net/ 39.99.185.76
200

Missing HSTS-Header
Bhttps://www.2lu.net/ 39.99.185.76
200

Missing HSTS-Header
Bhttps://2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404

Missing HSTS-Header
Bhttps://www.2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404

Missing HSTS-Header
CError - no preferred version www or non-www. Select one version as preferred version, then add a redirect https + not-preferred version to https + preferred version. Perhaps in your port 443 vHost something like "RewriteEngine on" + "RewriteCond %{SERVER_NAME} = example.com" + "ReWriteRule ^ https://www.example.com%{REQUEST_URI} [END,QSA,R=permanent]" (three rows, without the "). That should create a redirect https + example.com ⇒ https + www.example.com. Or switch both values to use the non-www version as your preferred version.
CError - more then one version with Http-Status 200. After all redirects, all users (and search engines) should see the same https url: Non-www or www, but not both with http status 200.
Nhttps://39.99.185.76/ 39.99.185.76
200

Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Info: Checking all ip addresses of that domain without sending the hostname only one certificate found. Checking all ip addresses and sending the hostname only one certificate found. Both certificates are the same. So that domain doesn't require Server Name Indication (SNI), it's the primary certificate of that set of ip addresses.: Domain 2lu.net, 1 ip addresses, 1 different http results.
Info: Checking all ip addresses of that domain without sending the hostname only one certificate found. Checking all ip addresses and sending the hostname only one certificate found. Both certificates are the same. So that domain doesn't require Server Name Indication (SNI), it's the primary certificate of that set of ip addresses.: Domain www.2lu.net, 1 ip addresses, 1 different http results.

2. DNS- and NameServer - Checks

AInfo:: 7 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 2 Name Servers.
AInfo:: 7 Queries complete, 7 with IPv6, 0 with IPv4.
AGood: All DNS Queries done via IPv6.
Ok (4 - 8):: An average of 3.5 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 2 different Name Servers found: dns17.hichina.com, dns18.hichina.com, 2 Name Servers included in Delegation: dns17.hichina.com, dns18.hichina.com, 2 Name Servers included in 1 Zone definitions: dns17.hichina.com, dns18.hichina.com, 1 Name Servers listed in SOA.Primary: dns17.hichina.com.
AGood: Only one SOA.Primary Name Server found.: dns17.hichina.com.
AGood: SOA.Primary Name Server included in the delegation set.: dns17.hichina.com.
AGood: Consistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Ordered list of name servers: dns17.hichina.com, dns18.hichina.com
AGood: All Name Server Domain Names have a Public Suffix.
AGood: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address.
AGood: All Name Server ip addresses are public.
AGood: Minimal 2 different name servers (public suffix and public ip address) found: 2 different Name Servers found
Warning: All Name Servers have the same Top Level Domain / Public Suffix. If there is a problem with that Top Level Domain, your domain may be affected. Better: Use Name Servers with different top level domains.: 2 Name Servers, 1 Top Level Domain: com
Warning: All Name Servers have the same domain name. If there is a problem with that domain name (or with the name servers of that domain name), your domain may be affected. Better: Use Name Servers with different domain names / different top level domains.: Only one domain name used: hichina.com
Warning: All Name Servers from the same Country / IP location.: 2 Name Servers, 1 Countries: CN
AInfo: Ipv4-Subnet-list: 20 Name Servers, 6 different subnets (first Byte): 106., 120., 139., 140., 39., 47., 6 different subnets (first two Bytes): 106.11., 120.76., 139.224., 140.205., 39.96., 47.118., 8 different subnets (first three Bytes): 106.11.141., 106.11.211., 120.76.107., 139.224.142., 140.205.41., 140.205.81., 39.96.153., 47.118.199.
AGood: Name Server IPv4-addresses from different subnet found:
AInfo: IPv6-Subnet-list: 2 Name Servers with IPv6, 1 different subnets (first block): 2400:, 1 different subnets (first two blocks): 2400:3200:, 1 different subnets (first three blocks): 2400:3200:2000:, 2 different subnets (first four blocks): 2400:3200:2000:0036:, 2400:3200:2000:0037:
AGood: Name Server IPv6 addresses from different subnets found.
AGood: Nameserver supports TCP connections: 22 good Nameserver
AGood: Nameserver supports Echo Capitalization: 22 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 22 good Nameserver
Nameserver doesn't pass all EDNS-Checks: a.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: b.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: c.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: d.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: dns17.hichina.com: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: dns17.hichina.com / 39.96.153.40: OP100: fatal timeout. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns17.hichina.com / 47.118.199.200: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: fatal timeout. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: fatal timeout.
Nameserver doesn't pass all EDNS-Checks: dns17.hichina.com / 106.11.211.57: OP100: ok. FLAGS: ok. V1: ok. V1OP100: fatal timeout. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: fatal timeout. NSID: fatal timeout. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns17.hichina.com / 106.11.211.67: OP100: fatal timeout. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: fatal timeout. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns18.hichina.com / 39.96.153.38: OP100: ok. FLAGS: ok. V1: ok. V1OP100: fatal timeout. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns18.hichina.com / 47.118.199.198: OP100: fatal timeout. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns18.hichina.com / 106.11.141.118: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: fatal timeout. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns18.hichina.com / 106.11.211.68: OP100: fatal timeout. FLAGS: ok. V1: fatal timeout. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: fatal timeout. CLIENTSUBNET: fatal timeout.
Nameserver doesn't pass all EDNS-Checks: e.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: f.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: g.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: h.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: i.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: j.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: k.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: l.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: m.gtld-servers.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
XFatal error: Nameservers with different SOA Serial Numbers
Warning: No CAA entry with issue/issuewild found, every CAA can create a certificate. Read https://en.wikipedia.org/wiki/DNS_Certification_Authority_Authorization to learn some basics about the idea of CAA. Your name server must support such an entry. Not all dns providers support CAA entries.

3. Content- and Performance-critical Checks

AGood: All checks /.well-known/acme-challenge/random-filename without redirects answer with the expected http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 challenge should work. If it doesn't work: Check your vHost configuration (apachectl -S, httpd -S, nginx -T). Every combination of port and ServerName / ServerAlias (Apache) or Server (Nginx) must be unique. Merge duplicated entries in one vHost. If you use an IIS, extensionless files must be allowed in the /.well-known/acme-challenge subdirectory. Create a web.config in that directory. Content: <configuration><system.webServer><staticContent><mimeMap fileExtension="." mimeType="text/plain" /></staticContent></system.webServer></configuration>. If you have a redirect http ⇒ https, that's ok, Letsencrypt follows such redirects to port 80 / 443 (same or other server). There must be a certificate. But the certificate may be expired, self signed or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
AGood: Every https result with status 200 supports GZip.
https://2lu.net/ 39.99.185.76
200

Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
https://www.2lu.net/ 39.99.185.76
200

Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
https://39.99.185.76/ 39.99.185.76
200

Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
https://2lu.net/ 39.99.185.76
200

Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
https://www.2lu.net/ 39.99.185.76
200

Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
https://39.99.185.76/ 39.99.185.76
200

Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
https://2lu.net/ 39.99.185.76
200

Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2.
https://www.2lu.net/ 39.99.185.76
200

Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2.
https://39.99.185.76/ 39.99.185.76
200

Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2.
https://2lu.net/ 39.99.185.76
200

Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 3 script elements without defer/async.
https://www.2lu.net/ 39.99.185.76
200

Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 3 script elements without defer/async.
https://39.99.185.76/ 39.99.185.76
200

Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 3 script elements without defer/async.
AGood: All CSS / JavaScript files are sent with GZip. That reduces the content of the files. 6 external CSS / JavaScript files found
AGood: All images with internal compression not sent via GZip. Images (.png, .jpg) are already compressed, so an additional GZip isn't helpful. 2 images (type image/png, image/jpg) found without additional GZip. Not required because these images are already compressed
Warning: CSS / JavaScript files with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 3 external CSS / JavaScript files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 2 with Cache-Control max-age too short (minimum 7 days), 4 with Cache-Control long enough, 9 complete.
Warning: Images with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 3 image files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 0 with Cache-Control max-age too short (minimum 7 days), 0 with Cache-Control long enough, 3 complete.
AGood: All checked attribute values are enclosed in quotation marks (" or ').
AGood: All img-elements have a valid alt-attribute.: 3 img-elements found.
AGood: Domainname is not on the "Specially Designated Nationals And Blocked Persons List" (SDN). That's an US-list of individuals and companies owned or controlled by, or acting for or on behalf of, targeted countries. It also lists individuals, groups, and entities, such as terrorists and narcotics traffickers designated under programs that are not country-specific. Collectively, such individuals and companies are called "Specially Designated Nationals" or "SDNs." Their assets are blocked and U.S. persons are generally prohibited from dealing with them. So if a domain name is on that list, it's impossible to create a Letsencrypt certificate with that domain name. Check the list manual - https://www.treasury.gov/resource-center/sanctions/sdn-list/pages/default.aspx
https://2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
10.183 seconds
Warning: 404 needs more then one second
https://www.2lu.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
11.857 seconds
Warning: 404 needs more then one second
ADuration: 339280 milliseconds, 339.280 seconds


8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
2lu.net
39.99.185.76
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
2lu.net
39.99.185.76
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
No SNI required - domain included in main certificate
Tls.1.2
Tls.1.1
Tls.1.0
no http/2 via ALPN
No SNI required - domain included in main certificate
Tls.1.2
Tls.1.1
Tls.1.0
Chain - too much certificates, don't send root certificates
1CN=2lu.net

2CN=R3, O=Let's Encrypt, C=US

3CN=ISRG Root X1, O=Internet Security Research Group, C=US


www.2lu.net
39.99.185.76
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

www.2lu.net
39.99.185.76
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
No SNI required - domain included in main certificate
Tls.1.2
Tls.1.1
Tls.1.0
no http/2 via ALPN
No SNI required - domain included in main certificate
Tls.1.2
Tls.1.1
Tls.1.0
Chain - too much certificates, don't send root certificates
1CN=2lu.net

2CN=R3, O=Let's Encrypt, C=US

3CN=ISRG Root X1, O=Internet Security Research Group, C=US


2lu.net
2lu.net
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

2lu.net
2lu.net
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
Tls.1.2
Tls.1.1
Tls.1.0
no http/2 via ALPN
Tls.1.2
Tls.1.1
Tls.1.0
Chain - too much certificates, don't send root certificates
1CN=2lu.net

2CN=R3, O=Let's Encrypt, C=US

3CN=ISRG Root X1, O=Internet Security Research Group, C=US


www.2lu.net
www.2lu.net
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

www.2lu.net
www.2lu.net
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
Tls.1.2
Tls.1.1
Tls.1.0
no http/2 via ALPN
Tls.1.2
Tls.1.1
Tls.1.0
Chain - too much certificates, don't send root certificates
1CN=2lu.net

2CN=R3, O=Let's Encrypt, C=US

3CN=ISRG Root X1, O=Internet Security Research Group, C=US


39.99.185.76
39.99.185.76
443
name does not match
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

39.99.185.76
39.99.185.76
443
name does not match
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
Cert sent without SNI
Tls.1.2
no Tls.1.1
Tls.1.0
no http/2 via ALPN
Cert sent without SNI
Tls.1.2
no Tls.1.1
Tls.1.0
Chain - too much certificates, don't send root certificates
1CN=2lu.net

2CN=R3, O=Let's Encrypt, C=US

3CN=ISRG Root X1, O=Internet Security Research Group, C=US


9. Certificates

1.
1.
CN=2lu.net
04.12.2021
04.03.2022
expires in 39 days
2lu.net, nmpa.2lu.net, www.2lu.net - 3 entries
1.
1.
CN=2lu.net
04.12.2021

04.03.2022
expires in 39 days
2lu.net, nmpa.2lu.net, www.2lu.net - 3 entries

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:04F78161E93FCD9D640027FFF2A1381446B8
Thumbprint:1B7D124971C22DFB6427FB43942D8C2F194D0849
SHA256 / Certificate:qtYxToT1QwuAkuWOSmENEMtEpezBsckmsELz7YMDiX8=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):d2e913d7cb26571e4c313bbef316d3f18abcab40f8ec6319cdd4984de5583bc6
SHA256 hex / Subject Public Key Information (SPKI):d2e913d7cb26571e4c313bbef316d3f18abcab40f8ec6319cdd4984de5583bc6 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:http://r3.o.lencr.org
OCSP - must staple:no
Certificate Transparency:yes
Enhanced Key Usage:Serverauthentifizierung (1.3.6.1.5.5.7.3.1), Clientauthentifizierung (1.3.6.1.5.5.7.3.2)


2.
CN=R3, O=Let's Encrypt, C=US
04.09.2020
15.09.2025
expires in 1330 days


2.
CN=R3, O=Let's Encrypt, C=US
04.09.2020

15.09.2025
expires in 1330 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:00912B084ACF0C18A753F6D62E25A75F5A
Thumbprint:A053375BFE84E8B748782C7CEE15827A6AF5A405
SHA256 / Certificate:Z63RFmsCCuYbj1/JaBPATCqliZYHloZVcqPH5zdhPf0=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SHA256 hex / Subject Public Key Information (SPKI):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:Clientauthentifizierung (1.3.6.1.5.5.7.3.2), Serverauthentifizierung (1.3.6.1.5.5.7.3.1)


3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015
04.06.2035
expires in 4879 days


3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015

04.06.2035
expires in 4879 days


KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:008210CFB0D240E3594463E0BB63828B00
Thumbprint:CABD2A79A1076A31F21D253635CB039D4329A5E8
SHA256 / Certificate:lrzsBiZJdvN0YHeazyjFp8/oo8Cq4RqP/O4FwL3fCMY=
SHA256 hex / Cert (DANE * 0 1):96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6
SHA256 hex / PublicKey (DANE * 1 1):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SHA256 hex / Subject Public Key Information (SPKI):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:



10. Last Certificates - Certificate Transparency Log Check

1. Source CertSpotter - active certificates (one check per day)

Issuerlast 7 daysactivenum Certs
CN=R3, O=Let's Encrypt, C=US
0
1
1

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
3186452400
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-12-04 03:44:54
2022-03-04 03:44:53
2lu.net, nmpa.2lu.net, www.2lu.net - 3 entries



2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > 2019 are listed

Issuerlast 7 daysactivenum Certs
CN=R3, O=Let's Encrypt, C=US
0 /0 new
1
7
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0 /0 new
0
2

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
5733540600
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-12-04 02:44:54
2022-03-04 02:44:53
2lu.net, nmpa.2lu.net, www.2lu.net
3 entries


5357661630
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-10-05 00:21:46
2022-01-03 01:21:45
2lu.net, nmpa.2lu.net, www.2lu.net
3 entries


4989377411
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-08-05 15:08:53
2021-11-03 16:08:51
2lu.net, nmpa.2lu.net, www.2lu.net
3 entries


4657973253
precert
CN=R3, O=Let's Encrypt, C=US
2021-06-06 16:00:54
2021-09-04 16:00:54
2lu.net, nmpa.2lu.net, www.2lu.net
3 entries


4339460824
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-04-07 04:29:47
2021-07-06 04:29:47
2lu.net, nmpa.2lu.net, www.2lu.net
3 entries


4033084471
precert
CN=R3, O=Let's Encrypt, C=US
2021-02-05 01:43:09
2021-05-06 00:43:09
2lu.net, nmpa.2lu.net, www.2lu.net
3 entries


3743998444
leaf cert
CN=R3, O=Let's Encrypt, C=US
2020-12-06 06:49:26
2021-03-06 06:49:26
2lu.net, nmpa.2lu.net, www.2lu.net
3 entries


3476449003
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-10-06 23:48:10
2021-01-05 00:48:10
2lu.net, nmpa.2lu.net, www.2lu.net
3 entries


3210741191
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-08-07 23:42:56
2020-11-06 00:42:56
2lu.net, nmpa.2lu.net, www.2lu.net
3 entries



11. Html-Content - Entries

Summary

Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
https://2lu.net/
39.99.185.76
a

3

0


0
0
0


form

1

0
1
0
0
0
0


img

1
9,207 Bytes
0
1
0
0
0
0


link
other
1
3,482 Bytes
0
1
0
0
0
0


meta
other
4

0


0
0
0


script

3
35,453 Bytes
0
0
3
2
0
2
0
https://www.2lu.net/
39.99.185.76
a

3

0


0
0
0


form

1

0
1
0
0
0
0


img

1
9,207 Bytes
0
1
0
0
0
0


link
other
1
3,482 Bytes
0
1
0
0
0
0


meta
other
4

0


0
0
0


script

3
39,501 Bytes
0
0
3
2
0
2
0
https://39.99.185.76/
39.99.185.76
a

3

0


0
0
0


form

1

0


0
0
0


img

1

0


0
0
0


link
other
1

0


0
0
0


meta
other
4

0


0
0
0


script

3

0


0
0
0

Details

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
https://2lu.net/
39.99.185.76
a

/feedme


1
ok








a

/terms


1
ok








a

http://beian.miit.gov.cn


1
ok








form

/lu
302
/
1
ok
text/html; charset=utf-8, missing X-Content-Type-Options nosniff

0 Bytes






img
src
/static/img/logo.png?v=3
200

1
ok
alt: 2Lu logoimage/png, missing X-Content-Type-Options nosniff

No Cache-Control header
No GZip - 9207 Bytes






link
icon
/static/img/favicon.png
200

1
ok
image/png, missing X-Content-Type-Options nosniff

No Cache-Control header
No GZip - 3482 Bytes






meta
content-type
text/html; charset=UTF-8;charset=utf-8


1
ok








meta
X-UA-Compatible
IE=Edge


1
ok








meta
HandheldFriendly
true


1
ok








meta
viewport
width=device-width, initial-scale=1, user-scalable=1


1
ok








script
src
https://cdnjs.cloudflare.com/ajax/libs/jquery.devbridge-autocomplete/1.4.10/jquery.autocomplete.min.js
200

1
ok
Missing defer / async attribute. application/javascript; charset=utf-8, X-Content-Type-Options nosniff found

Cache-Control: public, max-age=30672000 - with long duration found.
GZip: 4432/13083 Bytes




Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

integrity: sha256-xv9tRiSlyBQMvBkQeqNyojOQf45uTVXQAtIMrmgqV18=
crossorigin: anonymous
No SRI Parse errorvalid



script
src
https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.0/jquery.min.js
200

1
ok
Missing defer / async attribute. application/javascript; charset=utf-8, X-Content-Type-Options nosniff found

Cache-Control: public, max-age=30672000 - with long duration found.
GZip: 31021/89493 Bytes




Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

integrity: sha256-xNzN2a4ltkB44Mc/Jz3pT4iU1cmeR0FkXs4pru/JxaQ=
crossorigin: anonymous
No SRI Parse errorvalid



script
src
https://v1.cnzz.com/z_stat.php?id=1279185900&web_id=1279185900
200

1
ok
Missing defer / async attribute. application/javascript, missing X-Content-Type-Options nosniff

Cache-Control: max-age=5400,s-maxage=10800 - max-age too short.
GZip: 4048/11743 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported


https://www.2lu.net/
39.99.185.76
a

/feedme


1
ok








a

/terms


1
ok








a

http://beian.miit.gov.cn


1
ok








form

/lu
302
/
1
ok
text/html; charset=utf-8, missing X-Content-Type-Options nosniff

0 Bytes






img
src
/static/img/logo.png?v=3
200

1
ok
alt: 2Lu logoimage/png, missing X-Content-Type-Options nosniff

No Cache-Control header
No GZip - 9207 Bytes






link
icon
/static/img/favicon.png
200

1
ok
image/png, missing X-Content-Type-Options nosniff

No Cache-Control header
No GZip - 3482 Bytes






meta
content-type
text/html; charset=UTF-8;charset=utf-8


1
ok








meta
X-UA-Compatible
IE=Edge


1
ok








meta
HandheldFriendly
true


1
ok








meta
viewport
width=device-width, initial-scale=1, user-scalable=1


1
ok








script
src
https://cdnjs.cloudflare.com/ajax/libs/jquery.devbridge-autocomplete/1.4.10/jquery.autocomplete.min.js
200

1
ok
Missing defer / async attribute. application/javascript; charset=utf-8, X-Content-Type-Options nosniff found

Cache-Control: public, max-age=30672000 - with long duration found.
GZip: 4432/13083 Bytes




Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

integrity: sha256-xv9tRiSlyBQMvBkQeqNyojOQf45uTVXQAtIMrmgqV18=
crossorigin: anonymous
No SRI Parse errorvalid



script
src
https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.0/jquery.min.js
200

1
ok
Missing defer / async attribute. application/javascript; charset=utf-8, X-Content-Type-Options nosniff found

Cache-Control: public, max-age=30672000 - with long duration found.
GZip: 31021/89493 Bytes




Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

integrity: sha256-xNzN2a4ltkB44Mc/Jz3pT4iU1cmeR0FkXs4pru/JxaQ=
crossorigin: anonymous
No SRI Parse errorvalid



script
src
https://v1.cnzz.com/z_stat.php?id=1279185900&web_id=1279185900
200

1
ok
Missing defer / async attribute. application/javascript, missing X-Content-Type-Options nosniff

Cache-Control: max-age=5400,s-maxage=10800 - max-age too short.
GZip: 4048/11743 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported


https://39.99.185.76/
39.99.185.76
a

/feedme


1
ok








a

/terms


1
ok








a

http://beian.miit.gov.cn


1
ok








form

/lu


1
ok








img
src
/static/img/logo.png?v=3


1
ok
alt: 2Lu logo








link
icon
/static/img/favicon.png


1
ok








meta
content-type
text/html; charset=UTF-8;charset=utf-8


1
ok








meta
X-UA-Compatible
IE=Edge


1
ok








meta
HandheldFriendly
true


1
ok








meta
viewport
width=device-width, initial-scale=1, user-scalable=1


1
ok








script
src
https://cdnjs.cloudflare.com/ajax/libs/jquery.devbridge-autocomplete/1.4.10/jquery.autocomplete.min.js


1
ok
Missing defer / async attribute.






SRI found. Integrity:
sha256-xv9tRiSlyBQMvBkQeqNyojOQf45uTVXQAtIMrmgqV18=
crossorigin: anonymous
No SRI Parse error not checked



script
src
https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.0/jquery.min.js


1
ok
Missing defer / async attribute.






SRI found. Integrity:
sha256-xNzN2a4ltkB44Mc/Jz3pT4iU1cmeR0FkXs4pru/JxaQ=
crossorigin: anonymous
No SRI Parse error not checked



script
src
https://v1.cnzz.com/z_stat.php?id=1279185900&web_id=1279185900


1
ok
Missing defer / async attribute.








12. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: dns17.hichina.com, dns18.hichina.com

QNr.DomainTypeNS used
1
com
NS
d.root-servers.net (2001:500:2d::d)

Answer: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
2
dns17.hichina.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns1.hichina.com, ns2.hichina.com

Answer: ns1.hichina.com
106.11.141.113, 106.11.211.53, 106.11.211.63, 120.76.107.43, 139.224.142.113, 140.205.41.13, 140.205.81.13, 140.205.81.23, 2400:3200:2000:58::1, 39.96.153.43, 47.118.199.203

Answer: ns2.hichina.com
106.11.141.114, 106.11.211.54, 106.11.211.64, 120.76.107.44, 139.224.142.114, 140.205.41.14, 140.205.81.14, 140.205.81.24, 2400:3200:2000:59::1, 39.96.153.44, 47.118.199.204
3
dns18.hichina.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns1.hichina.com, ns2.hichina.com

Answer: ns1.hichina.com
106.11.141.113, 106.11.211.53, 106.11.211.63, 120.76.107.43, 139.224.142.113, 140.205.41.13, 140.205.81.13, 140.205.81.23, 2400:3200:2000:58::1, 39.96.153.43, 47.118.199.203

Answer: ns2.hichina.com
106.11.141.114, 106.11.211.54, 106.11.211.64, 120.76.107.44, 139.224.142.114, 140.205.41.14, 140.205.81.14, 140.205.81.24, 2400:3200:2000:59::1, 39.96.153.44, 47.118.199.204
4
dns17.hichina.com: 106.11.141.117, 106.11.211.57, 106.11.211.67, 120.76.107.40, 139.224.142.110, 140.205.41.17, 140.205.81.17, 140.205.81.27, 39.96.153.40, 47.118.199.200
A
ns1.hichina.com (2400:3200:2000:58::1)
5
dns17.hichina.com: 2400:3200:2000:36::1
AAAA
ns1.hichina.com (2400:3200:2000:58::1)
6
dns18.hichina.com: 106.11.141.118, 106.11.211.58, 106.11.211.68, 120.76.107.38, 139.224.142.108, 140.205.41.18, 140.205.81.18, 140.205.81.28, 39.96.153.38, 47.118.199.198
A
ns1.hichina.com (2400:3200:2000:58::1)
7
dns18.hichina.com: 2400:3200:2000:37::1
AAAA
ns1.hichina.com (2400:3200:2000:58::1)


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
www.2lu.net
0

no CAA entry found
1
0
2lu.net
0

no CAA entry found
1
0
net
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
2lu.net
v=spf1 include:spf.mxhichina.com -all
ok
1
0
www.2lu.net

ok
1
0
_acme-challenge.2lu.net

Name Error - The domain name does not exist
1
0
_acme-challenge.www.2lu.net

Name Error - The domain name does not exist
1
0
_acme-challenge.2lu.net.2lu.net

Name Error - The domain name does not exist
1
0
_acme-challenge.www.2lu.net.2lu.net

Name Error - The domain name does not exist
1
0
_acme-challenge.www.2lu.net.www.2lu.net

Name Error - The domain name does not exist
1
0


15. Portchecks

Domain or IPPortDescriptionResultAnswer
2lu.net
21
FTP



2lu.net
21
FTP



2lu.net
22
SSH
open
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3

2lu.net
22
SSH
open
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3

2lu.net
25
SMTP



2lu.net
25
SMTP



2lu.net
53
DNS



2lu.net
53
DNS



2lu.net
110
POP3



2lu.net
110
POP3



2lu.net
143
IMAP



2lu.net
143
IMAP



2lu.net
465
SMTP (encrypted)



2lu.net
465
SMTP (encrypted)



2lu.net
587
SMTP (encrypted, submission)



2lu.net
587
SMTP (encrypted, submission)



2lu.net
993
IMAP (encrypted)



2lu.net
993
IMAP (encrypted)



2lu.net
995
POP3 (encrypted)



2lu.net
995
POP3 (encrypted)



2lu.net
1433
MS SQL



2lu.net
1433
MS SQL



2lu.net
2082
cPanel (http)



2lu.net
2082
cPanel (http)



2lu.net
2083
cPanel (https)



2lu.net
2083
cPanel (https)



2lu.net
2086
WHM (http)



2lu.net
2086
WHM (http)



2lu.net
2087
WHM (https)



2lu.net
2087
WHM (https)



2lu.net
2089
cPanel Licensing



2lu.net
2089
cPanel Licensing



2lu.net
2095
cPanel Webmail (http)



2lu.net
2095
cPanel Webmail (http)



2lu.net
2096
cPanel Webmail (https)



2lu.net
2096
cPanel Webmail (https)



2lu.net
2222
DirectAdmin (http)



2lu.net
2222
DirectAdmin (http)



2lu.net
2222
DirectAdmin (https)



2lu.net
2222
DirectAdmin (https)



2lu.net
3306
mySql



2lu.net
3306
mySql



2lu.net
5224
Plesk Licensing



2lu.net
5224
Plesk Licensing



2lu.net
5432
PostgreSQL



2lu.net
5432
PostgreSQL



2lu.net
8080
Ookla Speedtest (http)



2lu.net
8080
Ookla Speedtest (http)



2lu.net
8080
Ookla Speedtest (https)



2lu.net
8080
Ookla Speedtest (https)



2lu.net
8083
VestaCP http



2lu.net
8083
VestaCP http



2lu.net
8083
VestaCP https



2lu.net
8083
VestaCP https



2lu.net
8443
Plesk Administration (https)



2lu.net
8443
Plesk Administration (https)



2lu.net
8447
Plesk Installer + Updates



2lu.net
8447
Plesk Installer + Updates



2lu.net
8880
Plesk Administration (http)



2lu.net
8880
Plesk Administration (http)



2lu.net
10000
Webmin (http)



2lu.net
10000
Webmin (http)



2lu.net
10000
Webmin (https)



2lu.net
10000
Webmin (https)



www.2lu.net
21
FTP



www.2lu.net
21
FTP



www.2lu.net
22
SSH
open
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3

www.2lu.net
22
SSH
open
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3

www.2lu.net
25
SMTP



www.2lu.net
25
SMTP



www.2lu.net
53
DNS



www.2lu.net
53
DNS



www.2lu.net
110
POP3



www.2lu.net
110
POP3



www.2lu.net
143
IMAP



www.2lu.net
143
IMAP



www.2lu.net
465
SMTP (encrypted)



www.2lu.net
465
SMTP (encrypted)



www.2lu.net
587
SMTP (encrypted, submission)



www.2lu.net
587
SMTP (encrypted, submission)



www.2lu.net
993
IMAP (encrypted)



www.2lu.net
993
IMAP (encrypted)



www.2lu.net
995
POP3 (encrypted)



www.2lu.net
995
POP3 (encrypted)



www.2lu.net
1433
MS SQL



www.2lu.net
1433
MS SQL



www.2lu.net
2082
cPanel (http)



www.2lu.net
2082
cPanel (http)



www.2lu.net
2083
cPanel (https)



www.2lu.net
2083
cPanel (https)



www.2lu.net
2086
WHM (http)



www.2lu.net
2086
WHM (http)



www.2lu.net
2087
WHM (https)



www.2lu.net
2087
WHM (https)



www.2lu.net
2089
cPanel Licensing



www.2lu.net
2089
cPanel Licensing



www.2lu.net
2095
cPanel Webmail (http)



www.2lu.net
2095
cPanel Webmail (http)



www.2lu.net
2096
cPanel Webmail (https)



www.2lu.net
2096
cPanel Webmail (https)



www.2lu.net
2222
DirectAdmin (http)



www.2lu.net
2222
DirectAdmin (http)



www.2lu.net
2222
DirectAdmin (https)



www.2lu.net
2222
DirectAdmin (https)



www.2lu.net
3306
mySql



www.2lu.net
3306
mySql



www.2lu.net
5224
Plesk Licensing



www.2lu.net
5224
Plesk Licensing



www.2lu.net
5432
PostgreSQL



www.2lu.net
5432
PostgreSQL



www.2lu.net
8080
Ookla Speedtest (http)



www.2lu.net
8080
Ookla Speedtest (http)



www.2lu.net
8080
Ookla Speedtest (https)



www.2lu.net
8080
Ookla Speedtest (https)



www.2lu.net
8083
VestaCP http



www.2lu.net
8083
VestaCP http



www.2lu.net
8083
VestaCP https



www.2lu.net
8083
VestaCP https



www.2lu.net
8443
Plesk Administration (https)



www.2lu.net
8443
Plesk Administration (https)



www.2lu.net
8447
Plesk Installer + Updates



www.2lu.net
8447
Plesk Installer + Updates



www.2lu.net
8880
Plesk Administration (http)



www.2lu.net
8880
Plesk Administration (http)



www.2lu.net
10000
Webmin (http)



www.2lu.net
10000
Webmin (http)



www.2lu.net
10000
Webmin (https)



www.2lu.net
10000
Webmin (https)



39.99.185.76
21
FTP



39.99.185.76
21
FTP



39.99.185.76
22
SSH
open
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3

39.99.185.76
22
SSH
open
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3

39.99.185.76
25
SMTP



39.99.185.76
25
SMTP



39.99.185.76
53
DNS



39.99.185.76
53
DNS



39.99.185.76
110
POP3



39.99.185.76
110
POP3



39.99.185.76
143
IMAP



39.99.185.76
143
IMAP



39.99.185.76
465
SMTP (encrypted)



39.99.185.76
465
SMTP (encrypted)



39.99.185.76
587
SMTP (encrypted, submission)



39.99.185.76
587
SMTP (encrypted, submission)



39.99.185.76
993
IMAP (encrypted)



39.99.185.76
993
IMAP (encrypted)



39.99.185.76
995
POP3 (encrypted)



39.99.185.76
995
POP3 (encrypted)



39.99.185.76
1433
MS SQL



39.99.185.76
1433
MS SQL



39.99.185.76
2082
cPanel (http)



39.99.185.76
2082
cPanel (http)



39.99.185.76
2083
cPanel (https)



39.99.185.76
2083
cPanel (https)



39.99.185.76
2086
WHM (http)



39.99.185.76
2086
WHM (http)



39.99.185.76
2087
WHM (https)



39.99.185.76
2087
WHM (https)



39.99.185.76
2089
cPanel Licensing



39.99.185.76
2089
cPanel Licensing



39.99.185.76
2095
cPanel Webmail (http)



39.99.185.76
2095
cPanel Webmail (http)



39.99.185.76
2096
cPanel Webmail (https)



39.99.185.76
2096
cPanel Webmail (https)



39.99.185.76
2222
DirectAdmin (http)



39.99.185.76
2222
DirectAdmin (http)



39.99.185.76
2222
DirectAdmin (https)



39.99.185.76
2222
DirectAdmin (https)



39.99.185.76
3306
mySql



39.99.185.76
3306
mySql



39.99.185.76
5224
Plesk Licensing



39.99.185.76
5224
Plesk Licensing



39.99.185.76
5432
PostgreSQL



39.99.185.76
5432
PostgreSQL



39.99.185.76
8080
Ookla Speedtest (http)



39.99.185.76
8080
Ookla Speedtest (http)



39.99.185.76
8080
Ookla Speedtest (https)



39.99.185.76
8080
Ookla Speedtest (https)



39.99.185.76
8083
VestaCP http



39.99.185.76
8083
VestaCP http



39.99.185.76
8083
VestaCP https



39.99.185.76
8083
VestaCP https



39.99.185.76
8443
Plesk Administration (https)



39.99.185.76
8443
Plesk Administration (https)



39.99.185.76
8447
Plesk Installer + Updates



39.99.185.76
8447
Plesk Installer + Updates



39.99.185.76
8880
Plesk Administration (http)



39.99.185.76
8880
Plesk Administration (http)



39.99.185.76
10000
Webmin (http)



39.99.185.76
10000
Webmin (http)



39.99.185.76
10000
Webmin (https)



39.99.185.76
10000
Webmin (https)





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