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



U

No dns entry found - perhaps mistype. Or wrong IDN

Checked:
16.07.2021 13:15:22


Older results

No older results found


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
gsb-remote.bildung-rp.de

Name Error
yes
1
0
www.gsb-remote.bildung-rp.de

Name Error
yes
1
0
*.bildung-rp.de
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes


*.gsb-remote.bildung-rp.de
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 26838, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 01.08.2021, 00:00:00 +, Signature-Inception: 11.07.2021, 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: de
de
1 DS RR in the parent zone found



DS with Algorithm 8, KeyTag 26755, DigestType 2 and Digest 80E1eAmllUMRzLgq3hFMbB1ySnXAOVE3qjl4A1Ql540=



1 RRSIG RR to validate DS RR found



RRSIG-Owner de., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 29.07.2021, 05:00:00 +, Signature-Inception: 16.07.2021, 04:00:00 +, KeyTag 26838, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 26838 used to validate the DS RRSet in the parent zone



3 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 26739, Flags 256



Public Key with Algorithm 8, KeyTag 26755, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 56844, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner de., Algorithm: 8, 1 Labels, original TTL: 300 sec, Signature-expiration: 27.07.2021, 14:34:30 +, Signature-Inception: 13.07.2021, 13:04:30 +, KeyTag 26755, Signer-Name: de



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 26755 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 26755, DigestType 2 and Digest "80E1eAmllUMRzLgq3hFMbB1ySnXAOVE3qjl4A1Ql540=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: bildung-rp.de
bildung-rp.de
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 "upnsgrdprdketeh188fkl2h24tmhp8ov" between the hashed NSEC3-owner "upnrnr6f4349n5a9n66eg0js4g8fh98d" and the hashed NextOwner "upnsjeifs0enc6c8mrk6rvhpbohvk8la". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: A, RRSIG Validated: RRSIG-Owner upnrnr6f4349n5a9n66eg0js4g8fh98d.de., Algorithm: 8, 2 Labels, original TTL: 7200 sec, Signature-expiration: 29.07.2021, 04:59:57 +, Signature-Inception: 15.07.2021, 03:29:57 +, KeyTag 56844, Signer-Name: de



DS-Query in the parent zone sends valid NSEC3 RR with the Hash "tjlb7qbojvmlf1s6gdriru7vsms1lg16" as Owner. That's the Hash of "de" with the NextHashedOwnerName "tjlfjprvcmsth243pmi98vqtj9pgi7us". So that domain name is the Closest Encloser of "bildung-rp.de". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner tjlb7qbojvmlf1s6gdriru7vsms1lg16.de., Algorithm: 8, 2 Labels, original TTL: 7200 sec, Signature-expiration: 29.07.2021, 04:59:57 +, Signature-Inception: 15.07.2021, 03:29:57 +, KeyTag 56844, Signer-Name: de



1 DNSKEY RR found



Public Key with Algorithm 13, KeyTag 31512, Flags 257 (SEP = Secure Entry Point)



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner bildung-rp.de., Algorithm: 13, 2 Labels, original TTL: 3600 sec, Signature-expiration: 29.07.2021, 00:00:00 +, Signature-Inception: 08.07.2021, 00:00:00 +, KeyTag 31512, Signer-Name: bildung-rp.de



Status: Good - Algorithmus 13 and DNSKEY with KeyTag 31512 used to validate the DNSKEY RRSet



Error: DNSKEY 31512 signs DNSKEY RRset, but no confirming DS RR in the parent zone found. No chain of trust created.

Zone: gsb-remote.bildung-rp.de
gsb-remote.bildung-rp.de
0 DS RR in the parent zone found



DS-Query in the parent zone has a valid NSEC RR as result with the domain name between the NSEC-Owner "bildung-rp.de" and the NextOwner "bildung-rp.de". So the parent zone confirmes the non-existence of a DS RR.
Bitmap: A, NS, SOA, MX, RRSIG, NSEC, DNSKEY



0 DNSKEY RR found




Zone: www.gsb-remote.bildung-rp.de
www.gsb-remote.bildung-rp.de
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.gsb-remote.bildung-rp.de
  ns.bildung-rp.de

gsb-remote.bildung-rp.de
  ns.bildung-rp.de / dns01-ext
217.198.244.11
Mainz/Rheinland-Pfalz/Germany (DE) - Johannes Gutenberg-Universitaet Mainz


  ns02.versatel.de
212.7.128.165
Wacken/Schleswig-Holstein/Germany (DE) - Versatel Deutschland


  ns03.versatel.de
193.219.15.17
Frankfurt am Main/Hesse/Germany (DE) - 1&1 Versatel Deutschland GmbH

bildung-rp.de
  ns.bildung-rp.de / dns01-ext
217.198.244.11
Mainz/Rheinland-Pfalz/Germany (DE) - Johannes Gutenberg-Universitaet Mainz


  ns02.versatel.de
212.7.128.165
Wacken/Schleswig-Holstein/Germany (DE) - Versatel Deutschland


  ns03.versatel.de
193.219.15.17
Frankfurt am Main/Hesse/Germany (DE) - 1&1 Versatel Deutschland GmbH

de
  a.nic.de / ns-2.de.de8.bind


  f.nic.de / ns-1.de.de1


  l.de.net / ns-2.de.fr1


  n.de.net / s3.amx


  s.de.net / ns-3.de.de9


  z.nic.de / ns-2.de.de2.bind


4. SOA-Entries


Domain:de
Zone-Name:de
Primary:f.nic.de
Mail:its.denic.de
Serial:1626434004
Refresh:7200
Retry:7200
Expire:3600000
TTL:7200
num Entries:6


Domain:bildung-rp.de
Zone-Name:bildung-rp.de
Primary:ns.bildung-rp.de
Mail:it-support.bildung-rp.de
Serial:2021071202
Refresh:3600
Retry:86400
Expire:1209600
TTL:600
num Entries:2


Domain:bildung-rp.de
Zone-Name:bildung-rp.de
Primary:ns.bildung-rp.de
Mail:it-support.bildung-rp.de
Serial:2021071502
Refresh:10800
Retry:3600
Expire:604800
TTL:3600
num Entries:1


Domain:gsb-remote.bildung-rp.de
Zone-Name:bildung-rp.de
Primary:ns.bildung-rp.de
Mail:it-support.bildung-rp.de
Serial:2021071202
Refresh:3600
Retry:86400
Expire:1209600
TTL:600
num Entries:2


Domain:gsb-remote.bildung-rp.de
Zone-Name:gsb-remote.bildung-rp.de
Primary:ns.bildung-rp.de
Mail:it-support.bildung-rp.de
Serial:2021071603
Refresh:10800
Retry:3600
Expire:604800
TTL:3600
num Entries:1


Domain:www.gsb-remote.bildung-rp.de
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

No Screenshot listed, because no url-check with https + http status 200-299, 400-599 + not-ACME-check found.

6. Url-Checks

DomainnameHttp-StatusredirectSec.G







7. Comments


1. General Results, most used to calculate the result

Aname "gsb-remote.bildung-rp.de" is subdomain, public suffix is ".de", top-level-domain is ".de", top-level-domain-type is "country-code", Country is Germany, tld-manager is "DENIC eG", num .de-domains preloaded: 6872 (complete: 151507)
Agood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
XFatal error: Nameserver doesn't support TCP connection: ns02.versatel.de / 212.7.128.165: NXDOMAIN
XFatal error: Nameserver doesn't support TCP connection: ns03.versatel.de / 193.219.15.17: NXDOMAIN

2. DNS- and NameServer - Checks

AInfo:: 2 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 3 Name Servers.
AInfo:: 2 Queries complete, 2 with IPv6, 0 with IPv4.
AGood: All DNS Queries done via IPv6.
AGood: Some ip addresses of name servers found with the minimum of two DNS Queries. One to find the TLD-Zone, one to ask the TLD-Zone.ns.bildung-rp.de (217.198.244.11), ns02.versatel.de (212.7.128.165), ns03.versatel.de (193.219.15.17)
AGood (1 - 3.0):: An average of 0.7 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 3 different Name Servers found: ns.bildung-rp.de, ns02.versatel.de, ns03.versatel.de, 3 Name Servers included in Delegation: ns.bildung-rp.de, ns02.versatel.de, ns03.versatel.de, 3 Name Servers included in 2 Zone definitions: ns.bildung-rp.de, ns.bildung-rp.de, ns02.versatel.de, ns03.versatel.de, 1 Name Servers listed in SOA.Primary: ns.bildung-rp.de.
AGood: Only one SOA.Primary Name Server found.: ns.bildung-rp.de.
AGood: SOA.Primary Name Server included in the delegation set.: ns.bildung-rp.de.
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: 3 different Name Servers found
Warning: No Name Server IPv6 address found. IPv6 is the future, so your name servers should be visible via IPv6.: 3 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.: 3 Name Servers, 1 Top Level Domain: de
AGood: Name Servers with different domain names found.: 2 different Domains found
Warning: All Name Servers from the same Country / IP location.: 3 Name Servers, 1 Countries: DE
AInfo: Ipv4-Subnet-list: 3 Name Servers, 3 different subnets (first Byte): 193., 212., 217., 3 different subnets (first two Bytes): 193.219., 212.7., 217.198., 3 different subnets (first three Bytes): 193.219.15., 212.7.128., 217.198.244.
AExcellent: Every Name Server IPv4-address starts with an unique Byte.
AInfo: Nameserver mit different domain names found. May be a problem with DNS-Updates
AGood: Nameserver supports Echo Capitalization: 3 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 3 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 3 good Nameserver
Nameserver doesn't pass all EDNS-Checks: ns.bildung-rp.de: 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

Info: Creating a Letsencrypt certificate with that domain name isn't possible. To create a certificate you need a registered, worldwide unique domain name. The domain name ends with a public suffix, that's good (not Grade Z). But the domain isn't registered. If you want a certificate with that domain name, you have to proof that you are the domain owner. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
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
ADuration: 26907 milliseconds, 26.907 seconds


8. Connections

No connection informations found. Perhaps only http - connections.


9. Certificates

No certificate informations found. Perhaps only http - connections.


10. Last Certificates - Certificate Transparency Log Check

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

No CertSpotter - CT-Log entries found


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

Issuerlast 7 daysactivenum Certs
//certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
0
0
2

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
3614986787
leaf cert
//certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
2020-11-02 10:26:27
2021-11-02 10:26:27
*.bildung-rp.de, bildung-rp.de
2 entries


268499897
leaf cert
//certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
2017-11-21 11:49:00
2020-11-21 11:49:00
*.bildung-rp.de, bildung-rp.de
2 entries



11. Html-Content - Entries

No Html-Content entries found. Only checked if https + status 200/401/403/404


12. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns.bildung-rp.de, ns02.versatel.de, ns03.versatel.de

QNr.DomainTypeNS used
1
de
NS
g.root-servers.net (2001:500:12::d0d)

Answer: a.nic.de, f.nic.de, l.de.net, n.de.net, s.de.net, z.nic.de
2
ns.bildung-rp.de: 217.198.244.11
NS
a.nic.de (2001:678:2::53)

Answer: ns02.versatel.de
212.7.128.165

Answer: ns03.versatel.de
193.219.15.17


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
gsb-remote.bildung-rp.de
-3

Name Error - The domain name does not exist
1
0
bildung-rp.de
0

no CAA entry found
1
0
de
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
bildung-rp.de

ok
1
0
gsb-remote.bildung-rp.de

Name Error - The domain name does not exist
1
0
_acme-challenge.gsb-remote.bildung-rp.de

Name Error - The domain name does not exist
1
0
_acme-challenge.gsb-remote.bildung-rp.de.bildung-rp.de

Name Error - The domain name does not exist
1
0
_acme-challenge.gsb-remote.bildung-rp.de.gsb-remote.bildung-rp.de

Name Error - The domain name does not exist
1
0


15. Portchecks

No Port checks



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Last Result: https://check-your-website.server-daten.de/?q=gsb-remote.bildung-rp.de - 2021-07-16 13:15:22


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