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



X

DNS-problem - authoritative Nameserver refused, not defined or timeout

Checked:
13.01.2021 19:55:11


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1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
luemmelkiste.ddns.net
A
2.207.1.218
Berlin/Land Berlin/Germany (DE) - Vodafone D2 GmbH
Hostname: dslb-002-207-001-218.002.207.pools.vodafone-ip.de
yes
1
0

AAAA

yes


www.luemmelkiste.ddns.net

Name Error
yes
1
0
*.luemmelkiste.ddns.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 20326, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 42351, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 01.02.2021, 00:00:00 +, Signature-Inception: 11.01.2021, 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: 26.01.2021, 17:00:00 +, Signature-Inception: 13.01.2021, 16:00:00 +, KeyTag 42351, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 42351 used to validate the DS RRSet in the parent zone



3 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 15314, Flags 256



Public Key with Algorithm 8, KeyTag 30944, Flags 256



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



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner net., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 24.01.2021, 17:28:30 +, Signature-Inception: 09.01.2021, 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: ddns.net
ddns.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 "e51o1pdujacqu01c7sqi76kt359m7agm" between the hashed NSEC3-owner "e51j9re9dmg2nc1rsip9pk7mhreud14p" and the hashed NextOwner "e52361ib95tnhp2ht8b7dccshgl0onqn". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner e51j9re9dmg2nc1rsip9pk7mhreud14p.net., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 18.01.2021, 08:34:49 +, Signature-Inception: 11.01.2021, 07:24:49 +, KeyTag 15314, 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 "a1ruuffjkct2q54p78f8ejgj8jbk7i8b". So that domain name is the Closest Encloser of "ddns.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: 20.01.2021, 08:39:25 +, Signature-Inception: 13.01.2021, 07:29:25 +, KeyTag 15314, Signer-Name: net



0 DNSKEY RR found




Zone: luemmelkiste.ddns.net
luemmelkiste.ddns.net
0 DS RR in the parent zone found



0 DNSKEY RR found




Zone: www.luemmelkiste.ddns.net
www.luemmelkiste.ddns.net
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.luemmelkiste.ddns.net
  nf1.no-ip.com

luemmelkiste.ddns.net
  nf1.no-ip.com / f0202.fra.hv.as29997.net
194.62.182.53
City of London/England/United Kingdom (GB) - ARTEC


 
2a07:dc00:1820::53
Amsterdam/North Holland/Netherlands (NL) - Vitalwerks Internet Solutions, LLC

ddns.net
  nf1.no-ip.com / f0202.fra.hv.as29997.net
194.62.182.53
City of London/England/United Kingdom (GB) - ARTEC


 
2a07:dc00:1820::53
Amsterdam/North Holland/Netherlands (NL) - Vitalwerks Internet Solutions, LLC


  nf2.no-ip.com / f0201.fra.hv.as29997.net
45.54.64.53
Reno/Nevada/United States (US) - Vitalwerks Internet Solutions, LLC


 
2607:f740:e626::53
Reno/Nevada/United States (US) - Vitalwerks Internet Solutions, LLC


  nf3.no-ip.com / f0201.fra.vr.as29997.net
204.16.253.53
New York/United States (US) - Vitalwerks Internet Solutions, LLC


 
2620:0:2e61::53
Piscataway/New Jersey/United States (US) - Vitalwerks Internet Solutions, LLC


  nf4.no-ip.com / localhost
194.62.183.53
Amsterdam/North Holland/Netherlands (NL) - Vitalwerks Internet Solutions, LLC


 
2a07:dc00:1830::53
Amsterdam/North Holland/Netherlands (NL) - Vitalwerks Internet Solutions, LLC


  nf5.no-ip.com / f0201.fra.vr.as29997.net
204.16.253.53
New York/United States (US) - Vitalwerks Internet Solutions, LLC


 
2620:0:2e61::53
Piscataway/New Jersey/United States (US) - Vitalwerks Internet Solutions, LLC

net
  a.gtld-servers.net / nnn1-fra6


  b.gtld-servers.net / nnn1-eltxl2


  c.gtld-servers.net / nnn1-fra6


  d.gtld-servers.net / nnn1-fra6


  e.gtld-servers.net / nnn1-fra6


  f.gtld-servers.net / nnn1-fra5


  g.gtld-servers.net / nnn1-fra5


  h.gtld-servers.net / nnn1-fra5


  i.gtld-servers.net / nnn1-fra5


  j.gtld-servers.net / nnn1-ein3


  k.gtld-servers.net / nnn1-ein3


  l.gtld-servers.net / nnn1-ein4


  m.gtld-servers.net / nnn1-ein4


4. SOA-Entries


Domain:net
Zone-Name:net
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1610564083
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:6


Domain:net
Zone-Name:net
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1610564093
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:7


Domain:ddns.net
Zone-Name:ddns.net
Primary:nf1.no-ip.com
Mail:hostmaster.no-ip.com
Serial:2355202652
Refresh:10800
Retry:1800
Expire:604800
TTL:1800
num Entries:3


Domain:ddns.net
Zone-Name:ddns.net
Primary:nf1.no-ip.com
Mail:hostmaster.no-ip.com
Serial:2355202674
Refresh:10800
Retry:1800
Expire:604800
TTL:1800
num Entries:7


Domain:luemmelkiste.ddns.net
Zone-Name:ddns.net
Primary:nf1.no-ip.com
Mail:hostmaster.no-ip.com
Serial:2355202674
Refresh:10800
Retry:1800
Expire:604800
TTL:1800
num Entries:2


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


5. Screenshots

Startaddress: https://luemmelkiste.ddns.net, address used: https://luemmelkiste.ddns.net/, Screenshot created 2021-01-13 19:56:29 +00:0

Mobil (412px x 732px)

379 milliseconds

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

365 milliseconds

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

528 milliseconds

Screenshot Desktop - https://luemmelkiste.ddns.net/

Mobile- and other Chrome-Checks

widthheight
visual Viewport396716
content Size8101258

Fatal: Horizontal scrollbar detected. Content-size width is greater then visual Viewport width.

Chrome-Connection: secure. secure connection settings. The connection to this site is encrypted and authenticated using TLS 1.3, X25519, and AES_128_GCM.

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

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://luemmelkiste.ddns.net/
2.207.1.218
301
https://luemmelkiste.ddns.net/
Html is minified: 100.00 %
0.057
A
Date: Wed, 13 Jan 2021 18:55:59 GMT
Server: Apache/2.4.41 (Ubuntu)
Location: https://luemmelkiste.ddns.net/
Content-Length: 325
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://luemmelkiste.ddns.net/
2.207.1.218 GZip used - 3138 / 10918 - 71.26 %
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 1/2866
200

Html is minified: 223.78 %
2.663
B
Date: Wed, 13 Jan 2021 18:55:59 GMT
Server: Apache/2.4.41 (Ubuntu)
Last-Modified: Sun, 13 Dec 2020 19:34:35 GMT
ETag: "2aa6-5b65d9d8c927b-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 3138
Connection: close
Content-Type: text/html

• http://luemmelkiste.ddns.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
2.207.1.218
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
301
https://luemmelkiste.ddns.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Html is minified: 100.00 %
0.064
A
Visible Content: Moved Permanently The document has moved here . Apache/2.4.41 (Ubuntu) Server at luemmelkiste.ddns.net Port 80
Date: Wed, 13 Jan 2021 18:56:02 GMT
Server: Apache/2.4.41 (Ubuntu)
Location: https://luemmelkiste.ddns.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Content-Length: 394
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://luemmelkiste.ddns.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 100.00 %
2.343
A
Not Found
Visible Content: Not Found The requested URL was not found on this server. Apache/2.4.41 (Ubuntu) Server at luemmelkiste.ddns.net Port 443
Date: Wed, 13 Jan 2021 18:56:05 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 284
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://2.207.1.218/
2.207.1.218 GZip used - 3138 / 10918 - 71.26 %
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 1/2866
200

Html is minified: 223.78 %
2.410
N
Certificate error: RemoteCertificateNameMismatch
Date: Wed, 13 Jan 2021 18:56:02 GMT
Server: Apache/2.4.41 (Ubuntu)
Last-Modified: Sun, 13 Dec 2020 19:34:35 GMT
ETag: "2aa6-5b65d9d8c927b-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 3138
Connection: close
Content-Type: text/html

7. Comments


1. General Results, most used to calculate the result

Aname "luemmelkiste.ddns.net" is domain, public suffix is ".ddns.net", top-level-domain is ".net", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services", num .net-domains preloaded: 6209 (complete: 142558)
Agood: All ip addresses are public addresses
Warning: Only one ip address found: luemmelkiste.ddns.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: luemmelkiste.ddns.net has no ipv6 address.
Agood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
Agood: destination is https
Agood - only one version with Http-Status 200
Agood: one preferred version: non-www is preferred
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: Some urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset):1 complete Content-Type - header (3 urls)
https://luemmelkiste.ddns.net/ 2.207.1.218


Url with incomplete Content-Type - header - missing charset
https://2.207.1.218/ 2.207.1.218


Url with incomplete Content-Type - header - missing charset
Ahttp://luemmelkiste.ddns.net/ 2.207.1.218
301
https://luemmelkiste.ddns.net/
correct redirect http - https with the same domain name
Bhttps://luemmelkiste.ddns.net/ 2.207.1.218
200

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

Missing HSTS-Header
Nhttps://2.207.1.218/ 2.207.1.218
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 luemmelkiste.ddns.net, 1 ip addresses, 1 different http results.

2. DNS- and NameServer - Checks

AInfo:: 16 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 5 Name Servers.
AInfo:: 16 Queries complete, 15 with IPv6, 1 with IPv4.
Warning: Only some DNS Queries done via ipv6. IPv6 is the future, so the name servers of your name servers should have ipv6 addresses.
Ok (4 - 8):: An average of 3.2 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 5 different Name Servers found: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com, 4 Name Servers included in Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, 5 Name Servers included in 1 Zone definitions: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com, 1 Name Servers listed in SOA.Primary: nf1.no-ip.com.
AGood: Only one SOA.Primary Name Server found.: nf1.no-ip.com.
AGood: SOA.Primary Name Server included in the delegation set.: nf1.no-ip.com.
XFatal: Inconsistency 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.: nf1.no-ip.com (194.62.182.53): Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, Zone: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com. Name Servers defined in Zone, missing in Delegation: nf5.no-ip.com.
XFatal: Inconsistency 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.: nf1.no-ip.com (2a07:dc00:1820::53): Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, Zone: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com. Name Servers defined in Zone, missing in Delegation: nf5.no-ip.com.
XFatal: Inconsistency 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.: nf2.no-ip.com (45.54.64.53): Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, Zone: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com. Name Servers defined in Zone, missing in Delegation: nf5.no-ip.com.
XFatal: Inconsistency 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.: nf2.no-ip.com (2607:f740:e626::53): Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, Zone: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com. Name Servers defined in Zone, missing in Delegation: nf5.no-ip.com.
XFatal: Inconsistency 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.: nf3.no-ip.com (204.16.253.53): Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, Zone: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com. Name Servers defined in Zone, missing in Delegation: nf5.no-ip.com.
XFatal: Inconsistency 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.: nf3.no-ip.com (2620:0:2e61::53): Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, Zone: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com. Name Servers defined in Zone, missing in Delegation: nf5.no-ip.com.
XFatal: Inconsistency 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.: nf4.no-ip.com (194.62.183.53): Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, Zone: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com. Name Servers defined in Zone, missing in Delegation: nf5.no-ip.com.
XFatal: Inconsistency 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.: nf4.no-ip.com (2a07:dc00:1830::53): Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, Zone: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com. Name Servers defined in Zone, missing in Delegation: nf5.no-ip.com.
XFatal: Inconsistency 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.: nf5.no-ip.com (204.16.253.53): Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, Zone: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com. Name Servers defined in Zone, missing in Delegation: nf5.no-ip.com.
XFatal: Inconsistency 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.: nf5.no-ip.com (2620:0:2e61::53): Delegation: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, Zone: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com. Name Servers defined in Zone, missing in Delegation: nf5.no-ip.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: 5 different Name Servers found
AGood: All name servers have ipv4- and ipv6-addresses.: 5 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.: 5 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: no-ip.com
AGood: Name servers with different Country locations found: 5 Name Servers, 3 Countries: GB, NL, US
AInfo: Ipv4-Subnet-list: 5 Name Servers, 3 different subnets (first Byte): 194., 204., 45., 3 different subnets (first two Bytes): 194.62., 204.16., 45.54., 4 different subnets (first three Bytes): 194.62.182., 194.62.183., 204.16.253., 45.54.64.
AGood: Name Server IPv4-addresses from different subnet found:
AInfo: IPv6-Subnet-list: 5 Name Servers with IPv6, 3 different subnets (first block): 2607:, 2620:, 2a07:, 3 different subnets (first two blocks): 2607:f740:, 2620:0000:, 2a07:dc00:, 4 different subnets (first three blocks): 2607:f740:e626:, 2620:0000:2e61:, 2a07:dc00:1820:, 2a07:dc00:1830:, 4 different subnets (first four blocks): 2607:f740:e626:0000:, 2620:0000:2e61:0000:, 2a07:dc00:1820:0000:, 2a07:dc00:1830:0000:
AGood: Name Server IPv6 addresses from different subnets found.
AGood: Nameserver supports TCP connections: 2 good Nameserver
AGood: Nameserver supports Echo Capitalization: 2 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 2 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 2 good Nameserver
Nameserver doesn't pass all EDNS-Checks: nf1.no-ip.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.
AGood: All SOA have the same Serial Number
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://luemmelkiste.ddns.net/ 2.207.1.218
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://2.207.1.218/ 2.207.1.218
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://luemmelkiste.ddns.net/ 2.207.1.218
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://2.207.1.218/ 2.207.1.218
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://luemmelkiste.ddns.net/ 2.207.1.218
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://2.207.1.218/ 2.207.1.218
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.
AGood: All images with internal compression not sent via GZip. Images (.png, .jpg) are already compressed, so an additional GZip isn't helpful. 1 images (type image/png, image/jpg) found without additional GZip. Not required because these images are already compressed
Warning: Images with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 2 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, 2 complete.
AGood: All checked attribute values are enclosed in quotation marks (" or ').
AGood: All img-elements have a valid alt-attribute.: 2 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://luemmelkiste.ddns.net/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
2.343 seconds
Warning: 404 needs more then one second
ADuration: 84500 milliseconds, 84.500 seconds


8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
luemmelkiste.ddns.net
2.207.1.218
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
error checking OCSP stapling
ok
luemmelkiste.ddns.net
2.207.1.218
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
error checking OCSP stapling
ok
no http/2 via ALPN 
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no http/2 via ALPN
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
Chain (complete)
1CN=luemmelkiste.ddns.net

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


luemmelkiste.ddns.net
luemmelkiste.ddns.net
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
error checking OCSP stapling
ok

luemmelkiste.ddns.net
luemmelkiste.ddns.net
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
error checking OCSP stapling
ok
no http/2 via ALPN 
Tls.1.2
no Tls.1.1
no Tls.1.0
no http/2 via ALPN
Tls.1.2
no Tls.1.1
no Tls.1.0
Chain (complete)
1CN=luemmelkiste.ddns.net

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


2.207.1.218
2.207.1.218
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
error checking OCSP stapling
ok

2.207.1.218
2.207.1.218
443
name does not match
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
error checking OCSP stapling
ok
no http/2 via ALPN 
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no http/2 via ALPN
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
Chain (complete)
1CN=luemmelkiste.ddns.net

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


9. Certificates

1.
1.
CN=luemmelkiste.ddns.net
13.01.2021
13.04.2021
expires in 81 days
luemmelkiste.ddns.net - 1 entry
1.
1.
CN=luemmelkiste.ddns.net
13.01.2021

13.04.2021
expires in 81 days
luemmelkiste.ddns.net - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:037CB8ECFFEEB60CD3BB5362F4A891A837B6
Thumbprint:61123CF40A965822408AF7C759CDF1B2271F6736
SHA256 / Certificate:Rnw2vZkCQejv7RtvSDwss7yr14/k63k/qrkppuznkx4=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):820776cc0aaffa5ba0c5b0d4c3ac8b691029ff68f308efc463aa03d64c809dab
SHA256 hex / Subject Public Key Information (SPKI):03cf531c710960b5fb18767441c65a37ddc0117ae30148bf41c07c2cf8dbb1da
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
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
07.10.2020
29.09.2021
expires in 250 days


2.
CN=R3, O=Let's Encrypt, C=US
07.10.2020

29.09.2021
expires in 250 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:400175048314A4C8218C84A90C16CDDF
Thumbprint:48504E974C0DAC5B5CD476C8202274B24C8C7172
SHA256 / Certificate:cwwb3NhfV85dwLunM+XxulqSWyp3HWQKJvekVCJNrTs=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SHA256 hex / Subject Public Key Information (SPKI):
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:Serverauthentifizierung (1.3.6.1.5.5.7.3.1), Clientauthentifizierung (1.3.6.1.5.5.7.3.2)


3.
CN=DST Root CA X3, O=Digital Signature Trust Co.
30.09.2000
30.09.2021
expires in 251 days


3.
CN=DST Root CA X3, O=Digital Signature Trust Co.
30.09.2000

30.09.2021
expires in 251 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA-1 with RSA Encryption
Serial Number:44AFB080D6A327BA893039862EF8406B
Thumbprint:DAC9024F54D8F6DF94935FB1732638CA6AD77C13
SHA256 / Certificate:BocmAzGnJAPZCfEF5pvPDTLhvSST/8bZIG0RvNZ3Bzk=
SHA256 hex / Cert (DANE * 0 1):0687260331a72403d909f105e69bcf0d32e1bd2493ffc6d9206d11bcd6770739
SHA256 hex / PublicKey (DANE * 1 1):563b3caf8cfef34c2335caf560a7a95906e8488462eb75ac59784830df9e5b2b
SHA256 hex / Subject Public Key Information (SPKI):29cc40db5e2de462a311cbbafaa1dc466960002335ecdf3317f2cd05c1d0bedf
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
2213554158
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-01-13 16:28:50
2021-04-13 16:28:50
luemmelkiste.ddns.net - 1 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
1

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
3921651727
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-01-13 15:28:50
2021-04-13 14:28:50
luemmelkiste.ddns.net
1 entries



11. Html-Content - Entries

Summary

Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
https://luemmelkiste.ddns.net/
2.207.1.218
a

3

0


0
0
0


img

1
3,338 Bytes
0
1
0
0
0
0


meta
other
1

0


0
0
0

https://2.207.1.218/
2.207.1.218
a

3

0


0
0
0


img

1

0


0
0
0


meta
other
1

0


0
0
0

Details

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
https://luemmelkiste.ddns.net/
2.207.1.218
a

/manual


1
ok








a

http://httpd.apache.org/docs/2.4/mod/mod_userdir.html


1
ok








a

https://bugs.launchpad.net/ubuntu/+source/apache2


1
ok








img
src
/icons/ubuntu-logo.png
200

1
ok
alt: Ubuntu Logoimage/png, missing X-Content-Type-Options nosniff

No Cache-Control header
No GZip - 3338 Bytes






meta
Content-Type
text/html; charset=UTF-8


1
ok







https://2.207.1.218/
2.207.1.218
a

/manual


1
ok








a

http://httpd.apache.org/docs/2.4/mod/mod_userdir.html


1
ok








a

https://bugs.launchpad.net/ubuntu/+source/apache2


1
ok








img
src
/icons/ubuntu-logo.png


1
ok
alt: Ubuntu Logo








meta
Content-Type
text/html; charset=UTF-8


1
ok








12. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: nf1.no-ip.com, nf2.no-ip.com, nf3.no-ip.com, nf4.no-ip.com, nf5.no-ip.com

QNr.DomainTypeNS used
1
com
NS
d.root-servers.net (199.7.91.13)

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
nf1.no-ip.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns1.no-ip.com, ns2.no-ip.com, ns3.no-ip.com, ns4.no-ip.com

Answer: ns1.no-ip.com
194.62.181.53, 2a07:dc00:1810::53

Answer: ns2.no-ip.com
194.62.180.53, 2a07:dc00:180::53

Answer: ns3.no-ip.com
204.16.255.53, 2a07:dc00:2550::53

Answer: ns4.no-ip.com
204.16.254.53, 2620:0:2e64::53
3
nf2.no-ip.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns1.no-ip.com, ns2.no-ip.com, ns3.no-ip.com, ns4.no-ip.com

Answer: ns1.no-ip.com
194.62.181.53, 2a07:dc00:1810::53

Answer: ns2.no-ip.com
194.62.180.53, 2a07:dc00:180::53

Answer: ns3.no-ip.com
204.16.255.53, 2a07:dc00:2550::53

Answer: ns4.no-ip.com
204.16.254.53, 2620:0:2e64::53
4
nf3.no-ip.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns1.no-ip.com, ns2.no-ip.com, ns3.no-ip.com, ns4.no-ip.com

Answer: ns1.no-ip.com
194.62.181.53, 2a07:dc00:1810::53

Answer: ns2.no-ip.com
194.62.180.53, 2a07:dc00:180::53

Answer: ns3.no-ip.com
204.16.255.53, 2a07:dc00:2550::53

Answer: ns4.no-ip.com
204.16.254.53, 2620:0:2e64::53
5
nf4.no-ip.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns1.no-ip.com, ns2.no-ip.com, ns3.no-ip.com, ns4.no-ip.com

Answer: ns1.no-ip.com
194.62.181.53, 2a07:dc00:1810::53

Answer: ns2.no-ip.com
194.62.180.53, 2a07:dc00:180::53

Answer: ns3.no-ip.com
204.16.255.53, 2a07:dc00:2550::53

Answer: ns4.no-ip.com
204.16.254.53, 2620:0:2e64::53
6
nf5.no-ip.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns1.no-ip.com, ns2.no-ip.com, ns3.no-ip.com, ns4.no-ip.com

Answer: ns1.no-ip.com
194.62.181.53, 2a07:dc00:1810::53

Answer: ns2.no-ip.com
194.62.180.53, 2a07:dc00:180::53

Answer: ns3.no-ip.com
204.16.255.53, 2a07:dc00:2550::53

Answer: ns4.no-ip.com
204.16.254.53, 2620:0:2e64::53
7
nf1.no-ip.com: 194.62.182.53
A
ns1.no-ip.com (2a07:dc00:1810::53)
8
nf1.no-ip.com: 2a07:dc00:1820::53
AAAA
ns1.no-ip.com (2a07:dc00:1810::53)
9
nf2.no-ip.com: 45.54.64.53
A
ns1.no-ip.com (2a07:dc00:1810::53)
10
nf2.no-ip.com: 2607:f740:e626::53
AAAA
ns1.no-ip.com (2a07:dc00:1810::53)
11
nf3.no-ip.com: 204.16.253.53
A
ns1.no-ip.com (2a07:dc00:1810::53)
12
nf3.no-ip.com: 2620:0:2e61::53
AAAA
ns1.no-ip.com (2a07:dc00:1810::53)
13
nf4.no-ip.com: 194.62.183.53
A
ns1.no-ip.com (2a07:dc00:1810::53)
14
nf4.no-ip.com: 2a07:dc00:1830::53
AAAA
ns1.no-ip.com (2a07:dc00:1810::53)
15
nf5.no-ip.com: 204.16.253.53
A
ns1.no-ip.com (2a07:dc00:1810::53)
16
nf5.no-ip.com: 2620:0:2e61::53
AAAA
ns1.no-ip.com (2a07:dc00:1810::53)


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
luemmelkiste.ddns.net
0

no CAA entry found
1
0
ddns.net
0

no CAA entry found
1
0
net
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
luemmelkiste.ddns.net

ok
1
0
_acme-challenge.luemmelkiste.ddns.net

Name Error - The domain name does not exist
1
0
_acme-challenge.luemmelkiste.ddns.net.luemmelkiste.ddns.net

Name Error - The domain name does not exist
1
0


15. Portchecks

No Port checks



Permalink: https://check-your-website.server-daten.de/?i=fdf7c7a5-ccd1-43c6-8822-157d850d423e


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