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


 

 

A

 

Top config

 

Checked:
04.12.2020 18:19:03

 

Older results

No older results found

 

1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
gfi-update.criticalsoftware.com
A
23.102.55.1
Dublin/Leinster/Ireland (IE) - Microsoft Corporation
No Hostname found
yes
1
0

AAAA

yes


www.gfi-update.criticalsoftware.com

Name Error
yes
1
0
*.criticalsoftware.com
A
185.229.61.53
yes



AAAA

yes



CNAME

yes


*.gfi-update.criticalsoftware.com
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 26116, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 21.12.2020, 00:00:00 +, Signature-Inception: 30.11.2020, 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: com

com
1 DS RR in the parent zone found






DS with Algorithm 8, KeyTag 30909, DigestType 2 and Digest 4tPJFvbe6scylOgmj7WIUESoM/xUWViPSpGEz8QaV2Y=






1 RRSIG RR to validate DS RR found






RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 17.12.2020, 05:00:00 +, Signature-Inception: 04.12.2020, 04:00:00 +, KeyTag 26116, Signer-Name: (root)






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 26116 used to validate the DS RRSet in the parent zone






2 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 30909, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 31510, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 16.12.2020, 19:24:21 +, Signature-Inception: 01.12.2020, 19:19:21 +, KeyTag 30909, Signer-Name: com






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 30909 used to validate the DNSKEY RRSet






Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 30909, DigestType 2 and Digest "4tPJFvbe6scylOgmj7WIUESoM/xUWViPSpGEz8QaV2Y=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: criticalsoftware.com

criticalsoftware.com
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 "ml0uf802gol397odgbf2ce9s4rkio5ii" between the hashed NSEC3-owner "ml0u87tflr8vip4ipcc3an0njdadjfhb" and the hashed NextOwner "ml0uuajmmksvn6evg8eppnu7o95tb5of". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner ml0u87tflr8vip4ipcc3an0njdadjfhb.com., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 11.12.2020, 06:43:32 +, Signature-Inception: 04.12.2020, 05:33:32 +, KeyTag 31510, Signer-Name: com






DS-Query in the parent zone sends valid NSEC3 RR with the Hash "ck0pojmg874ljref7efn8430qvit8bsm" as Owner. That's the Hash of "com" with the NextHashedOwnerName "ck0q1gin43n1arrc9osm6qpqr81h5m9a". So that domain name is the Closest Encloser of "criticalsoftware.com". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner ck0pojmg874ljref7efn8430qvit8bsm.com., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 11.12.2020, 05:40:08 +, Signature-Inception: 04.12.2020, 04:30:08 +, KeyTag 31510, Signer-Name: com






0 DNSKEY RR found









Zone: gfi-update.criticalsoftware.com

gfi-update.criticalsoftware.com
0 DS RR in the parent zone found






0 DNSKEY RR found









Zone: www.gfi-update.criticalsoftware.com

www.gfi-update.criticalsoftware.com
0 DS RR in the parent zone found

 

3. Name Servers

DomainNameserverNS-IP
www.gfi-update.criticalsoftware.com
  ns29.worldnic.com

gfi-update.criticalsoftware.com
  ns29.worldnic.com / worldnic
207.204.40.115
Chicago/Illinois/United States (US) - Network Solutions, LLC

criticalsoftware.com
  ns29.worldnic.com / worldnic
207.204.40.115
Chicago/Illinois/United States (US) - Network Solutions, LLC


  ns30.worldnic.com / worldnic
207.204.21.115
Chicago/Illinois/United States (US) - Network Solutions, LLC

com
  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:com
Zone-Name:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1607102319
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:8


Domain:com
Zone-Name:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1607102334
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:5


Domain:criticalsoftware.com
Zone-Name:criticalsoftware.com
Primary:ns29.worldnic.com
Mail:namehost.WORLDNIC.com
Serial:120100904
Refresh:10800
Retry:3600
Expire:604800
TTL:3600
num Entries:2


Domain:gfi-update.criticalsoftware.com
Zone-Name:criticalsoftware.com
Primary:ns29.worldnic.com
Mail:namehost.WORLDNIC.com
Serial:120100904
Refresh:10800
Retry:3600
Expire:604800
TTL:3600
num Entries:1


Domain:www.gfi-update.criticalsoftware.com
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

Startaddress: https://gfi-update.criticalsoftware.com, address used: https://gfi-update.criticalsoftware.com/, Screenshot created 2020-12-04 18:20:29 +00:0

 

Mobil (412px x 732px)

 

367 milliseconds

 

Screenshot mobile - https://gfi-update.criticalsoftware.com/
Mobil + Landscape (732px x 412px)

 

350 milliseconds

 

Screenshot mobile landscape - https://gfi-update.criticalsoftware.com/
Screen (1280px x 1680px)

 

555 milliseconds

 

Screenshot Desktop - https://gfi-update.criticalsoftware.com/

 

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 1.3, X25519, and AES_256_GCM.

 

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

 

 

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://gfi-update.criticalsoftware.com/
23.102.55.1
301
https://gfi-update.criticalsoftware.com/
Html is minified: 100.00 %
0.063
A
Date: Fri, 04 Dec 2020 17:19:55 GMT
Server: Apache/2.4.41 (Ubuntu)
Feature-Policy: autoplay 'none'; camera 'none'
Referrer-Policy: same-origin
Location: https://gfi-update.criticalsoftware.com/
Content-Length: 345
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://gfi-update.criticalsoftware.com/
23.102.55.1
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 1/274
200

Html is minified: 190.91 %
Other inline scripts (∑/total): 0/0
2.656
A
small visible content (num chars: 0)
Date: Fri, 04 Dec 2020 17:19:55 GMT
Server: Apache/2.4.41 (Ubuntu)
Feature-Policy: autoplay 'none'; camera 'none'
Referrer-Policy: same-origin
Last-Modified: Mon, 28 Sep 2020 14:08:03 GMT
ETag: "2b5-5b06031da213c-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Cache-Control: max-age=0, no-cache, no-store, must-revalidate
Content-Security-Policy: default-src 'self'; img-src * 'self' data: https: http:; script-src 'self' 'unsafe-inline' 'unsafe-eval' *; style-src 'self' 'unsafe-inline' *; font-src 'self' data:;
X-Content-Type-Options: nosniff
Strict-Transport-Security: max-age=31536000
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1;mode=block
Content-Length: 360
Connection: close
Content-Type: text/html

• http://gfi-update.criticalsoftware.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
23.102.55.1
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
301
https://gfi-update.criticalsoftware.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Html is minified: 100.00 %
Other inline scripts (∑/total): 0/0
0.064
A
Visible Content: Moved Permanently The document has moved here . Apache/2.4.41 (Ubuntu) Server at gfi-update.criticalsoftware.com Port 80
Date: Fri, 04 Dec 2020 17:19:58 GMT
Server: Apache/2.4.41 (Ubuntu)
Feature-Policy: autoplay 'none'; camera 'none'
Referrer-Policy: same-origin
Location: https://gfi-update.criticalsoftware.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Content-Length: 414
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://gfi-update.criticalsoftware.com/.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 %
Other inline scripts (∑/total): 0/0
2.487
A
Not Found
Visible Content: Not Found The requested URL was not found on this server. Apache/2.4.41 (Ubuntu) Server at gfi-update.criticalsoftware.com Port 443
Date: Fri, 04 Dec 2020 17:20:02 GMT
Server: Apache/2.4.41 (Ubuntu)
Feature-Policy: autoplay 'none'; camera 'none'
Referrer-Policy: same-origin
Content-Length: 294
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://23.102.55.1/
23.102.55.1
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 1/274
200

Html is minified: 190.91 %
Other inline scripts (∑/total): 0/0
2.420
N
Certificate error: RemoteCertificateNameMismatch
small visible content (num chars: 0)
Date: Fri, 04 Dec 2020 17:19:58 GMT
Server: Apache/2.4.41 (Ubuntu)
Feature-Policy: autoplay 'none'; camera 'none'
Referrer-Policy: same-origin
Last-Modified: Mon, 28 Sep 2020 14:08:03 GMT
ETag: "2b5-5b06031da213c-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Cache-Control: max-age=0, no-cache, no-store, must-revalidate
Content-Security-Policy: default-src 'self'; img-src * 'self' data: https: http:; script-src 'self' 'unsafe-inline' 'unsafe-eval' *; style-src 'self' 'unsafe-inline' *; font-src 'self' data:;
X-Content-Type-Options: nosniff
Strict-Transport-Security: max-age=31536000
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1;mode=block
Content-Length: 360
Connection: close
Content-Type: text/html

 

7. Comments


1. General Results, most used to calculate the result

Aname "gfi-update.criticalsoftware.com" is subdomain, public suffix is ".com", top-level-domain is ".com", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services", num .com-domains preloaded: 52208 (complete: 131120)
AGood: All ip addresses are public addresses
Warning: Only one ip address found: gfi-update.criticalsoftware.com 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: gfi-update.criticalsoftware.com 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://gfi-update.criticalsoftware.com/ 23.102.55.1


Url with incomplete Content-Type - header - missing charset
https://23.102.55.1/ 23.102.55.1


Url with incomplete Content-Type - header - missing charset
Ahttp://gfi-update.criticalsoftware.com/ 23.102.55.1
301
https://gfi-update.criticalsoftware.com/
Correct redirect http - https with the same domain name
Bhttps://gfi-update.criticalsoftware.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404

Missing HSTS-Header
Nhttps://23.102.55.1/ 23.102.55.1
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 gfi-update.criticalsoftware.com, 1 ip addresses, 1 different http results.

2. Header-Checks (Cross-Origin-* headers are alpha - started 2024-06-05)


3. 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, 3 with IPv6, 4 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 3.5 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 2 different Name Servers found: ns29.worldnic.com, ns30.worldnic.com, 2 Name Servers included in Delegation: ns29.worldnic.com, ns30.worldnic.com, 2 Name Servers included in 1 Zone definitions: ns29.worldnic.com, ns30.worldnic.com, 1 Name Servers listed in SOA.Primary: ns29.worldnic.com.
AGood: Only one SOA.Primary Name Server found.: ns29.worldnic.com.
AGood: SOA.Primary Name Server included in the delegation set.: ns29.worldnic.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: ns29.worldnic.com, ns30.worldnic.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: No Name Server IPv6 address found. IPv6 is the future, so your name servers should be visible via IPv6.: 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: worldnic.com
Warning: All Name Servers from the same Country / IP location.: 2 Name Servers, 1 Countries: US
AInfo: Ipv4-Subnet-list: 2 Name Servers, 1 different subnets (first Byte): 207., 1 different subnets (first two Bytes): 207.204., 2 different subnets (first three Bytes): 207.204.21., 207.204.40.
AGood: Name Server IPv4-addresses from different subnet found:
AGood: Nameserver supports TCP connections: 1 good Nameserver
AGood: Nameserver supports Echo Capitalization: 1 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 1 good Nameserver
Nameserver doesn't pass all EDNS-Checks: ns29.worldnic.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: ns29.worldnic.com / 207.204.40.115: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok (worldnic). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns29.worldnic.com / 207.204.40.115: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok (worldnic). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns30.worldnic.com / 207.204.21.115: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok (worldnic). COOKIE: ok. CLIENTSUBNET: ok.
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.

4. 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.
https://gfi-update.criticalsoftware.com/ 23.102.55.1
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://23.102.55.1/ 23.102.55.1
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://gfi-update.criticalsoftware.com/ 23.102.55.1
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://23.102.55.1/ 23.102.55.1
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://gfi-update.criticalsoftware.com/ 23.102.55.1
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://23.102.55.1/ 23.102.55.1
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 compressed. Some Images (.png, .jpg, .jpeg, .webp, .gif) are already compressed, so an additional compression isn't helpful. 2 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. 0 image files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 2 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 ').
Wrong: img-elements without alt-attribute or empty alt-attribute found. The alt-attribute ("alternative") is required and should describe the img. So Screenreader and search engines are able to use these informations.: 2 img-elements without alt-attribute, 0 img-elements with empty alt-attribute 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://gfi-update.criticalsoftware.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
2.487 seconds
Warning: 404 needs more then one second
ADuration: 92280 milliseconds, 92.280 seconds

 

8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
gfi-update.criticalsoftware.com
23.102.55.1
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
gfi-update.criticalsoftware.com
23.102.55.1
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
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 - incomplete

1CN=dccboxed-update.criticalsoftware.com


2CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US


gfi-update.criticalsoftware.com
gfi-update.criticalsoftware.com
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

gfi-update.criticalsoftware.com
gfi-update.criticalsoftware.com
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
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 - incomplete

1CN=dccboxed-update.criticalsoftware.com


2CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US


23.102.55.1
23.102.55.1
443
name does not match
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

23.102.55.1
23.102.55.1
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
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 - incomplete

1CN=dccboxed-update.criticalsoftware.com


2CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US

 

9. Certificates

1.
1.
CN=dccboxed-update.criticalsoftware.com
09.10.2020
07.01.2021
1429 days expired
dccboxed-update.criticalsoftware.com, gfi-update.criticalsoftware.com - 2 entries
1.
1.
CN=dccboxed-update.criticalsoftware.com
09.10.2020

07.01.2021
1429 days expired


dccboxed-update.criticalsoftware.com, gfi-update.criticalsoftware.com - 2 entries

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:04D72DD54525A764CFEFBAF4B925EFDBF532
Thumbprint:8F7DA0A761723D8F26930956A9E5C05EAE3B1ABF
SHA256 / Certificate:7XzbrvvWqbEdPLWGPeMH7PEPnYOus6pJX418/jaUpzY=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):c7dd45f2111bf6a4658718c0664da350d584dba40d600d766c2cf69ec457dc12
SHA256 hex / Subject Public Key Information (SPKI):c7dd45f2111bf6a4658718c0664da350d584dba40d600d766c2cf69ec457dc12
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://ocsp.int-x3.letsencrypt.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=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
17.03.2016
17.03.2021
1360 days expired


2.
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
17.03.2016

17.03.2021
1360 days expired




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0A0141420000015385736A0B85ECA708
Thumbprint:E6A3B45B062D509B3382282D196EFE97D5956CCB
SHA256 / Certificate:JYR9Zo608E/dQLErawdAxWfafQJDCOtsLJb+QdneIY0=
SHA256 hex / Cert (DANE * 0 1):25847d668eb4f04fdd40b12b6b0740c567da7d024308eb6c2c96fe41d9de218d
SHA256 hex / PublicKey (DANE * 1 1):60b87575447dcba2a36b7d11ac09fb24a9db406fee12d2cc90180517616e8a18
SHA256 hex / Subject Public Key Information (SPKI):60b87575447dcba2a36b7d11ac09fb24a9db406fee12d2cc90180517616e8a18
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://isrg.trustid.ocsp.identrust.com
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:




3.
CN=DST Root CA X3, O=Digital Signature Trust Co.
30.09.2000
30.09.2021
1163 days expired


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

30.09.2021
1163 days expired




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):563b3caf8cfef34c2335caf560a7a95906e8488462eb75ac59784830df9e5b2b
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)

Small Code Update - wait one minute

 

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

Small Code Update - wait one minute

 

11. Html-Content - Entries

Summary

No data found or small Code-update

 

Details

Small Code Update - wait one minute

 

12. Html-Parsing via https://validator.nu/ / https://validator.w3.org/nu/ (started 2024-09-28, 09:00, alpha)

  Unfortunately, there are differences between the first used validator.nu and validator.w3.org/nu/ - switched to validator.w3.org/nu/. Looks like some error messages (link - fetchpriority attribute) of validator.nu are obsolete, not seen in the w3.org-version and not found in the current specification: link may have a fetchpriority attribute.

Small Code update, wait one minute

 

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns29.worldnic.com, ns30.worldnic.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
ns29.worldnic.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns1.netsol.com, ns2.netsol.com, ns3.netsol.com

Answer: ns1.netsol.com
64.69.208.141

Answer: ns2.netsol.com
205.178.170.10

Answer: ns3.netsol.com
64.69.208.143
3
ns30.worldnic.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns1.netsol.com, ns2.netsol.com, ns3.netsol.com

Answer: ns1.netsol.com
64.69.208.141

Answer: ns2.netsol.com
205.178.170.10

Answer: ns3.netsol.com
64.69.208.143
4
ns29.worldnic.com: 207.204.40.115
A
ns1.netsol.com (64.69.208.141)
5
ns29.worldnic.com: No AAAA record found
AAAA
ns1.netsol.com (64.69.208.141)
6
ns30.worldnic.com: 207.204.21.115
A
ns1.netsol.com (64.69.208.141)
7
ns30.worldnic.com: No AAAA record found
AAAA
ns1.netsol.com (64.69.208.141)

 

14. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
gfi-update.criticalsoftware.com
0

no CAA entry found
1
0
criticalsoftware.com
0

no CAA entry found
1
0
com
0

no CAA entry found
1
0

 

15. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
criticalsoftware.com
google-site-verification=d8GEptMuTh2yKg0kcP6u7X9tkvY31iYkGR-u3ePD8Es
ok
1
0
criticalsoftware.com
have-i-been-pwned-verification=8b4dec6d2e977b82ccd385ea503f9582
ok
1
0
criticalsoftware.com
v=spf1 include:spf.protection.outlook.com ip4:88.157.193.76 ip4:13.94.118.236 include:spf.responsesource.com -all
ok
1
0
criticalsoftware.com
zpsugGV6jfLJA0bAsIl9kp1mErNY2kvzSAK6IGMVFWH95xflgB68PCe3YSqmmEkKlsSd9imb6r7bB9GiGlWVJA==
ok
1
0
gfi-update.criticalsoftware.com

ok
1
0
_acme-challenge.gfi-update.criticalsoftware.com

Name Error - The domain name does not exist
1
0
_acme-challenge.gfi-update.criticalsoftware.com.criticalsoftware.com

perhaps wrong
1
0
_acme-challenge.gfi-update.criticalsoftware.com.gfi-update.criticalsoftware.com

Name Error - The domain name does not exist
1
0

 

16. DomainService - Entries

No DomainServiceEntries entries found

 

 

17. Cipher Suites

No Ciphers found

 

18. Portchecks

DomainIPPortDescriptionResultAnswer
gfi-update.criticalsoftware.com
23.102.55.1
21
FTP



gfi-update.criticalsoftware.com
23.102.55.1
21
FTP



gfi-update.criticalsoftware.com
23.102.55.1
22
SSH



gfi-update.criticalsoftware.com
23.102.55.1
22
SSH



gfi-update.criticalsoftware.com
23.102.55.1
25
SMTP



gfi-update.criticalsoftware.com
23.102.55.1
25
SMTP



gfi-update.criticalsoftware.com
23.102.55.1
53
DNS



gfi-update.criticalsoftware.com
23.102.55.1
53
DNS



gfi-update.criticalsoftware.com
23.102.55.1
110
POP3



gfi-update.criticalsoftware.com
23.102.55.1
110
POP3



gfi-update.criticalsoftware.com
23.102.55.1
143
IMAP



gfi-update.criticalsoftware.com
23.102.55.1
143
IMAP



gfi-update.criticalsoftware.com
23.102.55.1
465
SMTP (encrypted)



gfi-update.criticalsoftware.com
23.102.55.1
465
SMTP (encrypted)



gfi-update.criticalsoftware.com
23.102.55.1
587
SMTP (encrypted, submission)



gfi-update.criticalsoftware.com
23.102.55.1
587
SMTP (encrypted, submission)



gfi-update.criticalsoftware.com
23.102.55.1
993
IMAP (encrypted)



gfi-update.criticalsoftware.com
23.102.55.1
993
IMAP (encrypted)



gfi-update.criticalsoftware.com
23.102.55.1
995
POP3 (encrypted)



gfi-update.criticalsoftware.com
23.102.55.1
995
POP3 (encrypted)



gfi-update.criticalsoftware.com
23.102.55.1
1433
MS SQL



gfi-update.criticalsoftware.com
23.102.55.1
1433
MS SQL



gfi-update.criticalsoftware.com
23.102.55.1
2082
cPanel (http)



gfi-update.criticalsoftware.com
23.102.55.1
2082
cPanel (http)



gfi-update.criticalsoftware.com
23.102.55.1
2083
cPanel (https)



gfi-update.criticalsoftware.com
23.102.55.1
2083
cPanel (https)



gfi-update.criticalsoftware.com
23.102.55.1
2086
WHM (http)



gfi-update.criticalsoftware.com
23.102.55.1
2086
WHM (http)



gfi-update.criticalsoftware.com
23.102.55.1
2087
WHM (https)



gfi-update.criticalsoftware.com
23.102.55.1
2087
WHM (https)



gfi-update.criticalsoftware.com
23.102.55.1
2089
cPanel Licensing



gfi-update.criticalsoftware.com
23.102.55.1
2089
cPanel Licensing



gfi-update.criticalsoftware.com
23.102.55.1
2095
cPanel Webmail (http)



gfi-update.criticalsoftware.com
23.102.55.1
2095
cPanel Webmail (http)



gfi-update.criticalsoftware.com
23.102.55.1
2096
cPanel Webmail (https)



gfi-update.criticalsoftware.com
23.102.55.1
2096
cPanel Webmail (https)



gfi-update.criticalsoftware.com
23.102.55.1
2222
DirectAdmin (http)



gfi-update.criticalsoftware.com
23.102.55.1
2222
DirectAdmin (http)



gfi-update.criticalsoftware.com
23.102.55.1
2222
DirectAdmin (https)



gfi-update.criticalsoftware.com
23.102.55.1
2222
DirectAdmin (https)



gfi-update.criticalsoftware.com
23.102.55.1
3306
mySql



gfi-update.criticalsoftware.com
23.102.55.1
3306
mySql



gfi-update.criticalsoftware.com
23.102.55.1
5224
Plesk Licensing



gfi-update.criticalsoftware.com
23.102.55.1
5224
Plesk Licensing



gfi-update.criticalsoftware.com
23.102.55.1
5432
PostgreSQL



gfi-update.criticalsoftware.com
23.102.55.1
5432
PostgreSQL



gfi-update.criticalsoftware.com
23.102.55.1
8080
Ookla Speedtest (http)



gfi-update.criticalsoftware.com
23.102.55.1
8080
Ookla Speedtest (http)



gfi-update.criticalsoftware.com
23.102.55.1
8080
Ookla Speedtest (https)



gfi-update.criticalsoftware.com
23.102.55.1
8080
Ookla Speedtest (https)



gfi-update.criticalsoftware.com
23.102.55.1
8083
VestaCP http



gfi-update.criticalsoftware.com
23.102.55.1
8083
VestaCP http



gfi-update.criticalsoftware.com
23.102.55.1
8083
VestaCP https



gfi-update.criticalsoftware.com
23.102.55.1
8083
VestaCP https



gfi-update.criticalsoftware.com
23.102.55.1
8443
Plesk Administration (https)



gfi-update.criticalsoftware.com
23.102.55.1
8443
Plesk Administration (https)



gfi-update.criticalsoftware.com
23.102.55.1
8447
Plesk Installer + Updates



gfi-update.criticalsoftware.com
23.102.55.1
8447
Plesk Installer + Updates



gfi-update.criticalsoftware.com
23.102.55.1
8880
Plesk Administration (http)



gfi-update.criticalsoftware.com
23.102.55.1
8880
Plesk Administration (http)



gfi-update.criticalsoftware.com
23.102.55.1
10000
Webmin (http)



gfi-update.criticalsoftware.com
23.102.55.1
10000
Webmin (http)



gfi-update.criticalsoftware.com
23.102.55.1
10000
Webmin (https)



gfi-update.criticalsoftware.com
23.102.55.1
10000
Webmin (https)



 

 

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