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Checked:
30.10.2022 11:42:59

Older results

O - 10.01.2022 12:47:12

T - 23.03.2020 11:47:17

1. IP-Addresses

Host	Type	IP-Address	is auth.	∑ Queries	∑ Timeout
cyc-mobile.york.gov.uk	A	91.244.229.200 York/England/United Kingdom (GB) - City of York Council No Hostname found	yes	1	0
	AAAA		yes
www.cyc-mobile.york.gov.uk		Name Error	yes	1	0
*.york.gov.uk	A	Name Error	yes
	AAAA	Name Error	yes
	CNAME	Name Error	yes
*.cyc-mobile.york.gov.uk	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 18733, 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: 11.11.2022, 00:00:00 +, Signature-Inception: 21.10.2022, 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: uk
uk	1 DS RR in the parent zone found


	DS with Algorithm 8, KeyTag 43876, DigestType 2 and Digest oQftKsG9FNkkFzvH6CehFTWCByOU+Scro34jU7xllgM=


	1 RRSIG RR to validate DS RR found


	RRSIG-Owner uk., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 12.11.2022, 05:00:00 +, Signature-Inception: 30.10.2022, 04:00:00 +, KeyTag 18733, Signer-Name: (root)


	• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 18733 used to validate the DS RRSet in the parent zone


	2 DNSKEY RR found


	Public Key with Algorithm 8, KeyTag 43056, Flags 256


	Public Key with Algorithm 8, KeyTag 43876, Flags 257 (SEP = Secure Entry Point)


	1 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner uk., Algorithm: 8, 1 Labels, original TTL: 3600 sec, Signature-expiration: 13.11.2022, 09:22:56 +, Signature-Inception: 30.10.2022, 09:08:55 +, KeyTag 43876, Signer-Name: uk


	• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 43876 used to validate the DNSKEY RRSet


	• Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 43876, DigestType 2 and Digest "oQftKsG9FNkkFzvH6CehFTWCByOU+Scro34jU7xllgM=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: gov.uk
gov.uk	1 DS RR in the parent zone found


	DS with Algorithm 8, KeyTag 17539, DigestType 2 and Digest LwoKZduekw9bLAQl9n32ZBbAdhJGUqKB2aj/p3OCj1c=


	1 RRSIG RR to validate DS RR found


	RRSIG-Owner gov.uk., Algorithm: 8, 2 Labels, original TTL: 300 sec, Signature-expiration: 12.11.2022, 19:07:42 +, Signature-Inception: 29.10.2022, 18:09:06 +, KeyTag 43056, Signer-Name: uk


	• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 43056 used to validate the DS RRSet in the parent zone


	2 DNSKEY RR found


	Public Key with Algorithm 8, KeyTag 17539, Flags 257 (SEP = Secure Entry Point)


	Public Key with Algorithm 8, KeyTag 52758, Flags 256


	2 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner gov.uk., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 27.11.2022, 08:07:55 +, Signature-Inception: 28.10.2022, 08:07:55 +, KeyTag 17539, Signer-Name: gov.uk


	RRSIG-Owner gov.uk., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 27.11.2022, 08:07:55 +, Signature-Inception: 28.10.2022, 08:07:55 +, KeyTag 52758, Signer-Name: gov.uk


	• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 17539 used to validate the DNSKEY RRSet


	• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 52758 used to validate the DNSKEY RRSet


	• Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 17539, DigestType 2 and Digest "LwoKZduekw9bLAQl9n32ZBbAdhJGUqKB2aj/p3OCj1c=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: york.gov.uk
york.gov.uk	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 "fpeu40fpigvqivokmqntsfgv20i77nih" between the hashed NSEC3-owner "fpeu40fpigvqivokmqntsfgv20i77nih" and the hashed NextOwner "fpffmd02lcbvmdejp245aje3q3okbu9d". So the parent zone confirmes the not-existence of a DS RR. Bitmap: No Bitmap? Validated: RRSIG-Owner fpeu40fpigvqivokmqntsfgv20i77nih.gov.uk., Algorithm: 8, 3 Labels, original TTL: 14400 sec, Signature-expiration: 27.11.2022, 08:07:55 +, Signature-Inception: 28.10.2022, 08:07:55 +, KeyTag 52758, Signer-Name: gov.uk


	2 DNSKEY RR found


	Public Key with Algorithm 13, KeyTag 2371, Flags 257 (SEP = Secure Entry Point)


	Public Key with Algorithm 13, KeyTag 34505, Flags 256


	1 RRSIG RR to validate DNSKEY RR found


	RRSIG-Owner york.gov.uk., Algorithm: 13, 3 Labels, original TTL: 3600 sec, Signature-expiration: 09.12.2022, 17:11:36 +, Signature-Inception: 09.10.2022, 17:11:36 +, KeyTag 2371, Signer-Name: york.gov.uk


	• Status: Good - Algorithmus 13 and DNSKEY with KeyTag 2371 used to validate the DNSKEY RRSet


	Error: DNSKEY 2371 signs DNSKEY RRset, but no confirming DS RR in the parent zone found. No chain of trust created.

Zone: cyc-mobile.york.gov.uk
cyc-mobile.york.gov.uk	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 "cyc-mobile.york.gov.uk" and the NextOwner "\000.cyc-mobile.york.gov.uk". So the parent zone confirmes the non-existence of a DS RR. Bitmap: A, 13, MX, TXT, AAAA, LOC, SRV, NAPTR, CERT, SSHFP, RRSIG, NSEC, TLSA, 53, HIP, 61, 64, 65, URI, CAA


	0 DNSKEY RR found





	RRSIG Type 1 validates the A - Result: 91.244.229.200 Validated: RRSIG-Owner cyc-mobile.york.gov.uk., Algorithm: 13, 4 Labels, original TTL: 300 sec, Signature-expiration: 31.10.2022, 11:43:54 +, Signature-Inception: 29.10.2022, 09:43:54 +, KeyTag 34505, Signer-Name: york.gov.uk


	CNAME-Query sends a valid NSEC RR as result with the query name "cyc-mobile.york.gov.uk" equal the NSEC-owner "cyc-mobile.york.gov.uk" and the NextOwner "\000.cyc-mobile.york.gov.uk". So the zone confirmes the not-existence of that CNAME RR, but the existence of that query name (minimal one RR with that name exists). Bitmap: A, 13, MX, TXT, AAAA, LOC, SRV, NAPTR, CERT, SSHFP, RRSIG, NSEC, TLSA, 53, HIP, 61, 64, 65, URI, CAA Validated: RRSIG-Owner cyc-mobile.york.gov.uk., Algorithm: 13, 4 Labels, original TTL: 3600 sec, Signature-expiration: 31.10.2022, 11:43:54 +, Signature-Inception: 29.10.2022, 09:43:54 +, KeyTag 34505, Signer-Name: york.gov.uk


	Status: Good. NoData-Proof required and found.


	TXT-Query sends a valid NSEC RR as result with the query name "cyc-mobile.york.gov.uk" equal the NSEC-owner "cyc-mobile.york.gov.uk" and the NextOwner "\000.cyc-mobile.york.gov.uk". So the zone confirmes the not-existence of that TXT RR, but the existence of that query name (minimal one RR with that name exists). Bitmap: A, 13, MX, AAAA, LOC, SRV, NAPTR, CERT, SSHFP, RRSIG, NSEC, TLSA, 53, HIP, 61, 64, 65, URI, CAA Validated: RRSIG-Owner cyc-mobile.york.gov.uk., Algorithm: 13, 4 Labels, original TTL: 3600 sec, Signature-expiration: 31.10.2022, 11:43:54 +, Signature-Inception: 29.10.2022, 09:43:54 +, KeyTag 34505, Signer-Name: york.gov.uk


	Status: Good. NoData-Proof required and found.


	AAAA-Query sends a valid NSEC RR as result with the query name "cyc-mobile.york.gov.uk" equal the NSEC-owner "cyc-mobile.york.gov.uk" and the NextOwner "\000.cyc-mobile.york.gov.uk". So the zone confirmes the not-existence of that AAAA RR, but the existence of that query name (minimal one RR with that name exists). Bitmap: A, 13, MX, TXT, LOC, SRV, NAPTR, CERT, SSHFP, RRSIG, NSEC, TLSA, 53, HIP, 61, 64, 65, URI, CAA Validated: RRSIG-Owner cyc-mobile.york.gov.uk., Algorithm: 13, 4 Labels, original TTL: 3600 sec, Signature-expiration: 31.10.2022, 11:43:54 +, Signature-Inception: 29.10.2022, 09:43:54 +, KeyTag 34505, Signer-Name: york.gov.uk


	Status: Good. NoData-Proof required and found.


	TLSA-Query (_443._tcp.cyc-mobile.york.gov.uk) sends a valid NSEC RR as result with the query name "_443._tcp.cyc-mobile.york.gov.uk" equal the NSEC-owner "_443._tcp.cyc-mobile.york.gov.uk" and the NextOwner "\000._443._tcp.cyc-mobile.york.gov.uk". So the zone confirmes the not-existence of that TLSA RR, but the existence of that query name (minimal one RR with that name exists). Bitmap: RRSIG, NSEC Validated: RRSIG-Owner _443._tcp.cyc-mobile.york.gov.uk., Algorithm: 13, 6 Labels, original TTL: 3600 sec, Signature-expiration: 31.10.2022, 11:43:54 +, Signature-Inception: 29.10.2022, 09:43:54 +, KeyTag 34505, Signer-Name: york.gov.uk


	Status: Good. NoData-Proof required and found.


	CAA-Query sends a valid NSEC RR as result with the query name "cyc-mobile.york.gov.uk" equal the NSEC-owner "cyc-mobile.york.gov.uk" and the NextOwner "\000.cyc-mobile.york.gov.uk". So the zone confirmes the not-existence of that CAA RR, but the existence of that query name (minimal one RR with that name exists). Bitmap: A, 13, MX, TXT, AAAA, LOC, SRV, NAPTR, CERT, SSHFP, RRSIG, NSEC, TLSA, 53, HIP, 61, 64, 65, URI Validated: RRSIG-Owner cyc-mobile.york.gov.uk., Algorithm: 13, 4 Labels, original TTL: 3600 sec, Signature-expiration: 31.10.2022, 11:43:54 +, Signature-Inception: 29.10.2022, 09:43:54 +, KeyTag 34505, Signer-Name: york.gov.uk


	Status: Good. NoData-Proof required and found.

Zone: www.cyc-mobile.york.gov.uk
www.cyc-mobile.york.gov.uk	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 "www.cyc-mobile.york.gov.uk" and the NextOwner "\000.www.cyc-mobile.york.gov.uk". So the parent zone confirmes the non-existence of a DS RR. Bitmap: RRSIG, NSEC

3. Name Servers

Domain	Nameserver	NS-IP
www.cyc-mobile.york.gov.uk	• meg.ns.cloudflare.com
cyc-mobile.york.gov.uk	• meg.ns.cloudflare.com / 67m46	108.162.192.196 Toronto/Ontario/Canada (CA) - Cloudflare, Inc.	•
	•	172.64.32.196 Toronto/Ontario/Canada (CA) - Cloudflare, Inc.	•
	•	173.245.58.196 Toronto/Ontario/Canada (CA) - Cloudflare, Inc.	•
	•	2606:4700:50::adf5:3ac4 Montreal/Quebec/Canada (CA) - Cloudflare, Inc.	•
	•	2803:f800:50::6ca2:c0c4 San José/Provincia de San Jose/Costa Rica (CR) - Cloudflare, Inc.	•
	•	2a06:98c1:50::ac40:20c4 London/England/United Kingdom (GB) - CloudFLARENET-EU	•
york.gov.uk	• meg.ns.cloudflare.com / 67m46	108.162.192.196 Toronto/Ontario/Canada (CA) - Cloudflare, Inc.	•
	•	172.64.32.196 Toronto/Ontario/Canada (CA) - Cloudflare, Inc.	•
	•	173.245.58.196 Toronto/Ontario/Canada (CA) - Cloudflare, Inc.	•
	•	2606:4700:50::adf5:3ac4 Montreal/Quebec/Canada (CA) - Cloudflare, Inc.	•
	•	2803:f800:50::6ca2:c0c4 San José/Provincia de San Jose/Costa Rica (CR) - Cloudflare, Inc.	•
	•	2a06:98c1:50::ac40:20c4 London/England/United Kingdom (GB) - CloudFLARENET-EU	•
	• plato.ns.cloudflare.com / 67m39	108.162.193.223 Toronto/Ontario/Canada (CA) - Cloudflare, Inc.	•
	•	172.64.33.223 Toronto/Ontario/Canada (CA) - Cloudflare, Inc.	•
	•	173.245.59.223 Toronto/Ontario/Canada (CA) - Cloudflare, Inc.	•
	•	2606:4700:58::adf5:3bdf Montreal/Quebec/Canada (CA) - Cloudflare, Inc.	•
	•	2803:f800:50::6ca2:c1df San José/Provincia de San Jose/Costa Rica (CR) - Cloudflare, Inc.	•
	•	2a06:98c1:50::ac40:21df London/England/United Kingdom (GB) - CloudFLARENET-EU	•
gov.uk	• auth00.ns.de.uu.net	192.76.144.14 Dortmund/North Rhine-Westphalia/Germany (DE) - Verizon Deutschland GmbH	•
	•	2001:600:1c0:e000::35:6 Dortmund/North Rhine-Westphalia/Germany (DE) - Verizon Business	•
	• auth50.ns.de.uu.net	194.128.171.99 London/England/United Kingdom (GB) - Verizon Deutschland GmbH	•
	•	2001:600:1c0:e001::35:6 Dortmund/North Rhine-Westphalia/Germany (DE) - Verizon Business	•
	• ns0.ja.net	128.86.1.20 City of London/England/United Kingdom (GB) - Jisc Services Limited	•
	•	193.63.94.20 Cardiff/Wales/United Kingdom (GB) - Jisc Services Limited	•
	•	2001:630:0:8::14 Hampton/England/United Kingdom (GB) - Jisc Services Limited	•
	•	2001:630:0:9::14 Hampton/England/United Kingdom (GB) - Jisc Services Limited	•
	• ns1.surfnet.nl	192.87.106.101 Aalsmeer/North Holland/Netherlands (NL) - SURFnet IV	•
	•	2001:610:1:800a:192:87:106:101 Oisterwijk/North Brabant/Netherlands (NL) - SURFnet	•
	• ns2.ja.net	193.63.105.17 Manchester/England/United Kingdom (GB) - Jisc Services Limited	•
	•	2001:630:0:45::11 Hampton/England/United Kingdom (GB) - Jisc Services Limited	•
	• ns3.ja.net	193.63.106.103 Manchester/England/United Kingdom (GB) - Jisc Services Limited	•
	•	2001:630:0:46::67 Hampton/England/United Kingdom (GB) - Jisc Services Limited	•
	• ns4.ja.net	193.62.157.66 London/England/United Kingdom (GB) - Jisc Services Limited	•
	•	2001:630:0:47::42 Hampton/England/United Kingdom (GB) - Jisc Services Limited	•
uk	• dns1.nic.uk		•
	• dns2.nic.uk		•
	• dns3.nic.uk		•
	• dns4.nic.uk		•
	• nsa.nic.uk / TLD_Host2.Frankfurt_Node1		•
	• nsb.nic.uk / TLD_Host2.Frankfurt_Node1		•
	• nsc.nic.uk / TLD_Host2.Frankfurt_Node1		•
	• nsd.nic.uk / TLD_Host2.Amsterdam_Node1		•

4. SOA-Entries

Domain:	uk
Zone-Name:	uk
Primary:	dns1.nic.uk
Mail:	hostmaster.nic.uk
Serial:	1406711191
Refresh:	7200
Retry:	900
Expire:	2419200
TTL:	10800
num Entries:	8

Domain:	gov.uk
Zone-Name:	gov.uk
Primary:	ns0.ja.net
Mail:	operations.ja.net
Serial:	2022102830
Refresh:	28800
Retry:	7200
Expire:	3600000
TTL:	14400
num Entries:	16

Domain:	york.gov.uk
Zone-Name:	york.gov.uk
Primary:	meg.ns.cloudflare.com
Mail:	dns.cloudflare.com
Serial:	2292262940
Refresh:	10000
Retry:	2400
Expire:	604800
TTL:	3600
num Entries:	12

Domain:	cyc-mobile.york.gov.uk
Zone-Name:	york.gov.uk
Primary:	meg.ns.cloudflare.com
Mail:	dns.cloudflare.com
Serial:	2292262940
Refresh:	10000
Retry:	2400
Expire:	604800
TTL:	3600
num Entries:	6

Domain:	www.cyc-mobile.york.gov.uk
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

Domainname	Http-Status	Sec.	G
• http://cyc-mobile.york.gov.uk/ 91.244.229.200	-14	10.033	T
Timeout - The operation has timed out

• https://cyc-mobile.york.gov.uk/ 91.244.229.200	-14	10.033	T
Timeout - The operation has timed out

• http://cyc-mobile.york.gov.uk/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 91.244.229.200	-14	10.033	T
Timeout - The operation has timed out
Visible Content:

• https://91.244.229.200/ 91.244.229.200	-14	10.040	T
Timeout - The operation has timed out

7. Comments

	1. General Results, most used to calculate the result
A	name "cyc-mobile.york.gov.uk" is subdomain, public suffix is ".gov.uk", top-level-domain is ".uk", top-level-domain-type is "country-code", Country is United Kingdom of Great Britain and Northern Ireland, tld-manager is "Nominet UK", num .uk-domains preloaded: 4123 (complete: 199710)
A	Good: All ip addresses are public addresses
	Warning: Only one ip address found: cyc-mobile.york.gov.uk 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: cyc-mobile.york.gov.uk has no ipv6 address.
A	Good: No asked Authoritative Name Server had a timeout
A	DNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
A	Excellent: Main Domain is in the Google-Preload-List
A	Excellent: Main Domain is in the Mozilla/Firefox-Preload-List
	HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
O	Old connection: CBC Cipher suites are deprecated. A GCM Cipher suite is required. See the Chrome-Check-Result:: obsolete connection settings. The connection to this site is encrypted and authenticated using TLS 1.2, ECDHE_RSA with P-256, and AES_256_CBC with HMAC-SHA1.
	Info: Checking the ip addresses of that domain name not exact one certificate found. So it's impossible to check if that domain requires Server Name Indication (SNI).: Domain cyc-mobile.york.gov.uk, 1 ip addresses.
B	No _mta-sts TXT record found (mta-sts: Mail Transfer Agent Strict Transport Security - see RFC 8461). Read the result of server-daten.de (Url-Checks, Comments, Connections and DomainServiceRecords) to see a complete definition. Domainname: _mta-sts.cyc-mobile.york.gov.uk
	2. Header-Checks
U			No https result with http status 2 or 4 (standard-check) found, no header checked.
	3. DNS- and NameServer - Checks
A	Info:: 7 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 2 Name Servers.
A	Info:: 7 Queries complete, 7 with IPv6, 0 with IPv4.
A	Good: 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.
A	Info:: 2 different Name Servers found: meg.ns.cloudflare.com, plato.ns.cloudflare.com, 2 Name Servers included in Delegation: meg.ns.cloudflare.com, plato.ns.cloudflare.com, 2 Name Servers included in 1 Zone definitions: meg.ns.cloudflare.com, plato.ns.cloudflare.com, 1 Name Servers listed in SOA.Primary: meg.ns.cloudflare.com.
A	Good: Only one SOA.Primary Name Server found.: meg.ns.cloudflare.com.
A	Good: SOA.Primary Name Server included in the delegation set.: meg.ns.cloudflare.com.
A	Good: 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: meg.ns.cloudflare.com, plato.ns.cloudflare.com
A	Good: All Name Server Domain Names have a Public Suffix.
A	Good: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address.
A	Good: All Name Server ip addresses are public.
A	Good: 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: cloudflare.com
A	Good: Name servers with different Country locations found: 2 Name Servers, 3 Countries: CA, CR, GB
A	Info: Ipv4-Subnet-list: 6 Name Servers, 3 different subnets (first Byte): 108., 172., 173., 3 different subnets (first two Bytes): 108.162., 172.64., 173.245., 6 different subnets (first three Bytes): 108.162.192., 108.162.193., 172.64.32., 172.64.33., 173.245.58., 173.245.59.
A	Good: Name Server IPv4-addresses from different subnet found:
A	Info: IPv6-Subnet-list: 6 Name Servers with IPv6, 3 different subnets (first block): 2606:, 2803:, 2a06:, 3 different subnets (first two blocks): 2606:4700:, 2803:f800:, 2a06:98c1:, 4 different subnets (first three blocks): 2606:4700:0050:, 2606:4700:0058:, 2803:f800:0050:, 2a06:98c1:0050:, 4 different subnets (first four blocks): 2606:4700:0050:0000:, 2606:4700:0058:0000:, 2803:f800:0050:0000:, 2a06:98c1:0050:0000:
A	Good: Name Server IPv6 addresses from different subnets found.
A	Good: Nameserver supports TCP connections: 6 good Nameserver
A	Good: Nameserver supports Echo Capitalization: 6 good Nameserver
A	Good: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 6 good Nameserver
A	Good: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 6 good Nameserver
	Nameserver doesn't pass all EDNS-Checks: dns1.nic.uk: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1DNSSEC: ok. NSID: ok. COOKIE: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. CLIENTSUBNET: ok.
	Nameserver doesn't pass all EDNS-Checks: dns2.nic.uk: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1DNSSEC: ok. NSID: ok. COOKIE: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. CLIENTSUBNET: ok.
	Nameserver doesn't pass all EDNS-Checks: dns3.nic.uk: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1DNSSEC: ok. NSID: ok. COOKIE: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. CLIENTSUBNET: ok.
	Nameserver doesn't pass all EDNS-Checks: dns4.nic.uk: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1DNSSEC: ok. NSID: ok. COOKIE: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. CLIENTSUBNET: ok.
	Nameserver doesn't pass all EDNS-Checks: meg.ns.cloudflare.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.
A	Good: All SOA have the same Serial Number
A	Good: CAA entries found, creating certificate is limited: comodoca.com is allowed to create certificates
A	Good: CAA entries found, creating certificate is limited: digicert.com is allowed to create certificates
A	Good: CAA entries found, creating certificate is limited: letsencrypt.org is allowed to create certificates
A	Good: CAA entries found, creating certificate is limited: pki.goog is allowed to create certificates
A	Good: CAA entries found, creating certificate is limited: quovadisglobal.com is allowed to create certificates
A	Good: CAA entries found, creating certificate is limited: sectigo.com is allowed to create certificates
A	Good: CAA entries found, creating certificate is limited: comodoca.com is allowed to create wildcard-certificates
A	Good: CAA entries found, creating certificate is limited: digicert.com is allowed to create wildcard-certificates
A	Good: CAA entries found, creating certificate is limited: letsencrypt.org is allowed to create wildcard-certificates
A	Good: CAA entries found, creating certificate is limited: pki.goog is allowed to create wildcard-certificates
	4. Content- and Performance-critical Checks
	http://cyc-mobile.york.gov.uk/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 91.244.229.200	-14	Fatal: Check of /.well-known/acme-challenge/random-filename has a timeout. Creating a Letsencrypt certificate via http-01 challenge can't work. You need a running webserver (http) and an open port 80. If it's a home server + ipv4, perhaps a correct port forwarding port 80 extern ⇒ working port intern is required. Port 80 / http can redirect to another domain port 80 or port 443, but not other ports. If it's a home server, perhaps your ISP blocks port 80. Then you may use the dns-01 challenge. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
A	Info: No img element found, no alt attribute checked
A	Good: 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
A	Duration: 155520 milliseconds, 155.520 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)

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

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

12. Html-Parsing via https://validator.w3.org/nu/

Small Code update, wait one minute

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: meg.ns.cloudflare.com, plato.ns.cloudflare.com

QNr.	Domain	Type	NS used
1	com	NS	a.root-servers.net (2001:503:ba3e::2:30)
	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	meg.ns.cloudflare.com	NS	a.gtld-servers.net (2001:503:a83e::2:30)
	Answer: ns3.cloudflare.com, ns4.cloudflare.com, ns5.cloudflare.com, ns6.cloudflare.com, ns7.cloudflare.com
	Answer: ns3.cloudflare.com 162.159.0.33, 162.159.7.226, 2400:cb00:2049:1::a29f:21, 2400:cb00:2049:1::a29f:7e2
	Answer: ns4.cloudflare.com 162.159.1.33, 162.159.8.55, 2400:cb00:2049:1::a29f:121, 2400:cb00:2049:1::a29f:837
	Answer: ns5.cloudflare.com 162.159.2.9, 162.159.9.55, 2400:cb00:2049:1::a29f:209, 2400:cb00:2049:1::a29f:937
	Answer: ns6.cloudflare.com 162.159.3.11, 162.159.5.6, 2400:cb00:2049:1::a29f:30b, 2400:cb00:2049:1::a29f:506
	Answer: ns7.cloudflare.com 162.159.4.8
3	plato.ns.cloudflare.com	NS	a.gtld-servers.net (2001:503:a83e::2:30)
	Answer: ns3.cloudflare.com, ns4.cloudflare.com, ns5.cloudflare.com, ns6.cloudflare.com, ns7.cloudflare.com
	Answer: ns3.cloudflare.com 162.159.0.33, 162.159.7.226, 2400:cb00:2049:1::a29f:21, 2400:cb00:2049:1::a29f:7e2
	Answer: ns4.cloudflare.com 162.159.1.33, 162.159.8.55, 2400:cb00:2049:1::a29f:121, 2400:cb00:2049:1::a29f:837
	Answer: ns5.cloudflare.com 162.159.2.9, 162.159.9.55, 2400:cb00:2049:1::a29f:209, 2400:cb00:2049:1::a29f:937
	Answer: ns6.cloudflare.com 162.159.3.11, 162.159.5.6, 2400:cb00:2049:1::a29f:30b, 2400:cb00:2049:1::a29f:506
	Answer: ns7.cloudflare.com 162.159.4.8
4	meg.ns.cloudflare.com: 108.162.192.196, 172.64.32.196, 173.245.58.196	A	ns3.cloudflare.com (2400:cb00:2049:1::a29f:21)
5	meg.ns.cloudflare.com: 2606:4700:50::adf5:3ac4, 2803:f800:50::6ca2:c0c4, 2a06:98c1:50::ac40:20c4	AAAA	ns3.cloudflare.com (2400:cb00:2049:1::a29f:21)
6	plato.ns.cloudflare.com: 108.162.193.223, 172.64.33.223, 173.245.59.223	A	ns3.cloudflare.com (2400:cb00:2049:1::a29f:21)
7	plato.ns.cloudflare.com: 2606:4700:58::adf5:3bdf, 2803:f800:50::6ca2:c1df, 2a06:98c1:50::ac40:21df	AAAA	ns3.cloudflare.com (2400:cb00:2049:1::a29f:21)

14. CAA - Entries

Domainname	flag	Name	Value	∑ Queries
cyc-mobile.york.gov.uk	0		no CAA entry found	1
york.gov.uk	5	issue	comodoca.com	1
	9	issuewild	comodoca.com	1
	5	issue	digicert.com; cansignhttpexchanges=yes	1
	9	issuewild	digicert.com; cansignhttpexchanges=yes	1
	5	issue	letsencrypt.org	1
	9	issuewild	letsencrypt.org	1
	5	iodef	mailto:caa-iodef@york.gov.uk	1
	5	issue	pki.goog; cansignhttpexchanges=yes	1
	9	issuewild	pki.goog; cansignhttpexchanges=yes	1
	5	issue	quovadisglobal.com	1
	5	issue	sectigo.com	1
gov.uk	0		no CAA entry found	1
uk	0		no CAA entry found	1

15. TXT - Entries

Domainname	TXT Entry	Status	∑ Queries
york.gov.uk	0f5b13b3-dbc1-47b9-bd7e-4cb5854d8976	ok	1
york.gov.uk	amazonses:yJ0VzVLYZetXjoiOddqnEFhB5aKSI9PT4ou3/tBAtM4=	ok	1
york.gov.uk	QuoVadis=1c8136ad-7151-4609-870b-0bef55d80714	ok	1
york.gov.uk	v=spf1 include:spf.york.gov.uk include:spf.protection.outlook.com a:smtp.rocktimeweb.net ~all	ok	1
cyc-mobile.york.gov.uk		ok	1
_acme-challenge.cyc-mobile.york.gov.uk		Name Error - The domain name does not exist	1
_acme-challenge.cyc-mobile.york.gov.uk.york.gov.uk		Name Error - The domain name does not exist	1
_acme-challenge.cyc-mobile.york.gov.uk.cyc-mobile.york.gov.uk		Name Error - The domain name does not exist	1

16. DomainService - Entries

No DomainServiceEntries entries found

17. Cipher Suites

No results

18. Portchecks

No open Ports <> 80 / 443 found, so no additional Ports checked.

Permalink: https://check-your-website.server-daten.de/?i=382522a3-7d31-483c-b9cf-6eb70c1033af

Last Result: https://check-your-website.server-daten.de/?q=cyc-mobile.york.gov.uk - 2022-10-30 11:42:59

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