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Tls-Protocol error

 

Checked:
07.07.2026 22:27:29

 

Older results

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1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
crt.comodoca.com
CNAME
crt.comodoca.com.cdn.cloudflare.net
yes
1
0

A
104.18.38.233
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.
No Hostname found
yes



A
172.64.149.23
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.
No Hostname found
yes



AAAA
2a06:98c1:3105::ac40:9517
London/England/United Kingdom (GB) - Cloudflare, Inc.

yes



AAAA
2a06:98c1:3106::6812:26e9
London/England/United Kingdom (GB) - CloudFLARENET-EU

yes


www.crt.comodoca.com

Name Error
yes
1
0
*.comodoca.com
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes


*.crt.comodoca.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






4 DNSKEY RR found






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






Public Key with Algorithm 8, KeyTag 38696, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 54393, Flags 256






Public Key with Algorithm 8, KeyTag 57780, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 22.07.2026, 00:00:00 +, Signature-Inception: 01.07.2026, 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 13, KeyTag 19718, DigestType 2 and Digest isuwzSj0ElCoCkkTiUJNNBUi2Uaw2gwCkfLT13HXgFo=






1 RRSIG RR to validate DS RR found






RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 20.07.2026, 17:00:00 +, Signature-Inception: 07.07.2026, 16:00:00 +, KeyTag 57780, Signer-Name: (root)






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 57780 used to validate the DS RRSet in the parent zone






2 DNSKEY RR found






Public Key with Algorithm 13, KeyTag 19718, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 13, KeyTag 27677, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner com., Algorithm: 13, 1 Labels, original TTL: 86400 sec, Signature-expiration: 21.07.2026, 14:02:35 +, Signature-Inception: 06.07.2026, 13:57:35 +, KeyTag 19718, Signer-Name: com






• Status: Good - Algorithmus 13 and DNSKEY with KeyTag 19718 used to validate the DNSKEY RRSet






• Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 19718, DigestType 2 and Digest "isuwzSj0ElCoCkkTiUJNNBUi2Uaw2gwCkfLT13HXgFo=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: comodoca.com

comodoca.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 "avroh7mmpsqg6ovo27eo8f36bi1jhop1" between the hashed NSEC3-owner "avro6jmnkgr0bknileebvqr364jj6qbp" and the hashed NextOwner "avroirvg84i55rmgt8g71md8svuo63js". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner avro6jmnkgr0bknileebvqr364jj6qbp.com., Algorithm: 13, 2 Labels, original TTL: 900 sec, Signature-expiration: 13.07.2026, 01:44:10 +, Signature-Inception: 06.07.2026, 00:34:10 +, KeyTag 27677, 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 "ck0q3udg8cekkae7rukpgct1dvssh8ll". So that domain name is the Closest Encloser of "comodoca.com". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner ck0pojmg874ljref7efn8430qvit8bsm.com., Algorithm: 13, 2 Labels, original TTL: 900 sec, Signature-expiration: 11.07.2026, 18:10:23 +, Signature-Inception: 04.07.2026, 17:00:23 +, KeyTag 27677, Signer-Name: com






0 DNSKEY RR found









Zone: crt.comodoca.com

crt.comodoca.com
0 DS RR in the parent zone found



Zone: www.crt.comodoca.com

www.crt.comodoca.com
0 DS RR in the parent zone found



Zone: (root)

(root)
1 DS RR published






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






• Status: Valid because published






4 DNSKEY RR found






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






Public Key with Algorithm 8, KeyTag 38696, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 54393, Flags 256






Public Key with Algorithm 8, KeyTag 57780, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 22.07.2026, 00:00:00 +, Signature-Inception: 01.07.2026, 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 13, KeyTag 37331, DigestType 2 and Digest LwvsLW95370dCP0ho6+S0OOaS57x4/QRH/8oJJDaRTs=






1 RRSIG RR to validate DS RR found






RRSIG-Owner net., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 20.07.2026, 17:00:00 +, Signature-Inception: 07.07.2026, 16:00:00 +, KeyTag 57780, Signer-Name: (root)






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 57780 used to validate the DS RRSet in the parent zone






2 DNSKEY RR found






Public Key with Algorithm 13, KeyTag 1560, Flags 256






Public Key with Algorithm 13, KeyTag 37331, Flags 257 (SEP = Secure Entry Point)






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner net., Algorithm: 13, 1 Labels, original TTL: 86400 sec, Signature-expiration: 21.07.2026, 14:10:35 +, Signature-Inception: 06.07.2026, 14:05:35 +, KeyTag 37331, Signer-Name: net






• Status: Good - Algorithmus 13 and DNSKEY with KeyTag 37331 used to validate the DNSKEY RRSet






• Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 37331, DigestType 2 and Digest "LwvsLW95370dCP0ho6+S0OOaS57x4/QRH/8oJJDaRTs=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: cloudflare.net

cloudflare.net
1 DS RR in the parent zone found






DS with Algorithm 13, KeyTag 2371, DigestType 2 and Digest kPcQoQfaUe14El0wpocEzzwDCK/QG/zXBX1L0Dtixos=






1 RRSIG RR to validate DS RR found






RRSIG-Owner cloudflare.net., Algorithm: 13, 2 Labels, original TTL: 86400 sec, Signature-expiration: 11.07.2026, 03:33:59 +, Signature-Inception: 04.07.2026, 02:23:59 +, KeyTag 1560, Signer-Name: net






• Status: Good - Algorithmus 13 and DNSKEY with KeyTag 1560 used to validate the DS RRSet in the parent zone






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 cloudflare.net., Algorithm: 13, 2 Labels, original TTL: 3600 sec, Signature-expiration: 15.08.2026, 08:04:49 +, Signature-Inception: 15.06.2026, 08:04:49 +, KeyTag 2371, Signer-Name: cloudflare.net






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






• Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 2371, DigestType 2 and Digest "kPcQoQfaUe14El0wpocEzzwDCK/QG/zXBX1L0Dtixos=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: cdn.cloudflare.net

cdn.cloudflare.net
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 "cdn.cloudflare.net" and the NextOwner "\000.cdn.cloudflare.net". 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









Zone: com.cdn.cloudflare.net

com.cdn.cloudflare.net
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 "com.cdn.cloudflare.net" and the NextOwner "\000.com.cdn.cloudflare.net". 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









Zone: comodoca.com.cdn.cloudflare.net

comodoca.com.cdn.cloudflare.net
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 "comodoca.com.cdn.cloudflare.net" and the NextOwner "\000.comodoca.com.cdn.cloudflare.net". 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









Zone: crt.comodoca.com.cdn.cloudflare.net

crt.comodoca.com.cdn.cloudflare.net
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 "crt.comodoca.com.cdn.cloudflare.net" and the NextOwner "\000.crt.comodoca.com.cdn.cloudflare.net". 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: 104.18.38.233 172.64.149.23
Validated: RRSIG-Owner crt.comodoca.com.cdn.cloudflare.net., Algorithm: 13, 6 Labels, original TTL: 300 sec, Signature-expiration: 08.07.2026, 21:31:14 +, Signature-Inception: 06.07.2026, 19:31:14 +, KeyTag 34505, Signer-Name: cloudflare.net






RRSIG Type 28 validates the AAAA - Result: 2A06:98C1:3105:0000:0000:0000:AC40:9517 2A06:98C1:3106:0000:0000:0000:6812:26E9
Validated: RRSIG-Owner crt.comodoca.com.cdn.cloudflare.net., Algorithm: 13, 6 Labels, original TTL: 300 sec, Signature-expiration: 08.07.2026, 21:31:14 +, Signature-Inception: 06.07.2026, 19:31:14 +, KeyTag 34505, Signer-Name: cloudflare.net






CNAME-Query sends a valid NSEC RR as result with the query name "crt.comodoca.com.cdn.cloudflare.net" equal the NSEC-owner "crt.comodoca.com.cdn.cloudflare.net" and the NextOwner "\000.crt.comodoca.com.cdn.cloudflare.net". 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 crt.comodoca.com.cdn.cloudflare.net., Algorithm: 13, 6 Labels, original TTL: 1800 sec, Signature-expiration: 08.07.2026, 21:31:14 +, Signature-Inception: 06.07.2026, 19:31:14 +, KeyTag 34505, Signer-Name: cloudflare.net






Status: Good. NoData-Proof required and found.






TXT-Query sends a valid NSEC RR as result with the query name "crt.comodoca.com.cdn.cloudflare.net" equal the NSEC-owner "crt.comodoca.com.cdn.cloudflare.net" and the NextOwner "\000.crt.comodoca.com.cdn.cloudflare.net". 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 crt.comodoca.com.cdn.cloudflare.net., Algorithm: 13, 6 Labels, original TTL: 1800 sec, Signature-expiration: 08.07.2026, 21:31:14 +, Signature-Inception: 06.07.2026, 19:31:14 +, KeyTag 34505, Signer-Name: cloudflare.net






Status: Good. NoData-Proof required and found.






TLSA-Query (_443._tcp.crt.comodoca.com.cdn.cloudflare.net) sends a valid NSEC RR as result with the query name "_443._tcp.crt.comodoca.com.cdn.cloudflare.net" equal the NSEC-owner "_443._tcp.crt.comodoca.com.cdn.cloudflare.net" and the NextOwner "\000._443._tcp.crt.comodoca.com.cdn.cloudflare.net". 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: A, 13, MX, TXT, AAAA, LOC, SRV, NAPTR, CERT, SSHFP, RRSIG, NSEC, 53, HIP, 61, 64, 65, URI, CAA Validated: RRSIG-Owner _443._tcp.crt.comodoca.com.cdn.cloudflare.net., Algorithm: 13, 8 Labels, original TTL: 1800 sec, Signature-expiration: 08.07.2026, 21:31:14 +, Signature-Inception: 06.07.2026, 19:31:14 +, KeyTag 34505, Signer-Name: cloudflare.net






Status: Good. NoData-Proof required and found.






CAA-Query sends a valid NSEC RR as result with the query name "crt.comodoca.com.cdn.cloudflare.net" equal the NSEC-owner "crt.comodoca.com.cdn.cloudflare.net" and the NextOwner "\000.crt.comodoca.com.cdn.cloudflare.net". 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 crt.comodoca.com.cdn.cloudflare.net., Algorithm: 13, 6 Labels, original TTL: 1800 sec, Signature-expiration: 08.07.2026, 21:31:14 +, Signature-Inception: 06.07.2026, 19:31:14 +, KeyTag 34505, Signer-Name: cloudflare.net






Status: Good. NoData-Proof required and found.

 

3. Name Servers

DomainNameserverNS-IP
www.crt.comodoca.com
•  ns1.as48447.net

comodoca.com
•  ns1.as48447.net
91.199.212.50
Bradford/England/United Kingdom (GB) - Sectigo CA		•

• 
2a0e:ac00:c7:d432::5bc7:d432
Bradford/England/United Kingdom (GB) - Sectigo Limited		•

•  ns2.as48447.net
91.209.196.50
Bradford/England/United Kingdom (GB) - Sectigo Limited		•

• 
2a0e:ac00:d1:c432::5bd1:c432
Bradford/England/United Kingdom (GB) - Sectigo Limited		•

•  ns3.as48447.net
91.212.12.50
Bradford/England/United Kingdom (GB) - Sectigo Limited		•

• 
2a0e:ac00:d4:c32::5bd4:c32
Bradford/England/United Kingdom (GB) - Sectigo Limited		•
com
•  a.gtld-servers.net / nnn1-par6
•

•  b.gtld-servers.net / nnn1-elwaw4
•

•  c.gtld-servers.net / nnn1-defra-5
•

•  d.gtld-servers.net / nnn1-defra-5
•

•  e.gtld-servers.net / nnn1-defra-5
•

•  f.gtld-servers.net / nnn1-defra-4
•

•  g.gtld-servers.net / nnn1-defra-4
•

•  h.gtld-servers.net / nnn1-defra-4
•

•  i.gtld-servers.net / nnn1-defra-4
•

•  j.gtld-servers.net / nnn1-frmrs-2
•

•  k.gtld-servers.net / nnn1-frmrs-2
•

•  l.gtld-servers.net / nnn1-frmrs-2
•

•  m.gtld-servers.net / nnn1-frmrs-2
•
crt.comodoca.com.cdn.cloudflare.net
•  ns1.cloudflare.net / 1056m114
108.162.198.250
Ashburn/Virginia/United States (US) - Cloudflare, Inc.		•

• 
162.159.60.250
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
172.64.40.250
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
2606:4700:57:1:4e4b:27d7:a29f:3cfa
Montreal/Quebec/Canada (CA) - Cloudflare, Inc.		•

• 
2803:f800:52:1:1df9:cfa1:ac40:28fa
San José/Provincia de San José/Costa Rica (CR) - Cloudflare, Inc.		•

• 
2a06:98c1:56:1:2693:f8af:6ca2:c6fa
London/England/United Kingdom (GB) - Cloudflare, Inc.		•
comodoca.com.cdn.cloudflare.net
•  ns1.cloudflare.net / 73m488
108.162.198.250
Ashburn/Virginia/United States (US) - Cloudflare, Inc.		•

• 
162.159.60.250
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
172.64.40.250
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
2606:4700:57:1:4e4b:27d7:a29f:3cfa
Montreal/Quebec/Canada (CA) - Cloudflare, Inc.		•

• 
2803:f800:52:1:1df9:cfa1:ac40:28fa
San José/Provincia de San José/Costa Rica (CR) - Cloudflare, Inc.		•

• 
2a06:98c1:56:1:2693:f8af:6ca2:c6fa
London/England/United Kingdom (GB) - Cloudflare, Inc.		•
com.cdn.cloudflare.net
•  ns1.cloudflare.net / 1055m95
108.162.198.250
Ashburn/Virginia/United States (US) - Cloudflare, Inc.		•

• 
162.159.60.250
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
172.64.40.250
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
2606:4700:57:1:4e4b:27d7:a29f:3cfa
Montreal/Quebec/Canada (CA) - Cloudflare, Inc.		•

• 
2803:f800:52:1:1df9:cfa1:ac40:28fa
San José/Provincia de San José/Costa Rica (CR) - Cloudflare, Inc.		•

• 
2a06:98c1:56:1:2693:f8af:6ca2:c6fa
London/England/United Kingdom (GB) - Cloudflare, Inc.		•
cdn.cloudflare.net
•  ns1.cloudflare.net / 1055m40
108.162.198.250
Ashburn/Virginia/United States (US) - Cloudflare, Inc.		•

• 
162.159.60.250
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
172.64.40.250
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
2606:4700:57:1:4e4b:27d7:a29f:3cfa
Montreal/Quebec/Canada (CA) - Cloudflare, Inc.		•

• 
2803:f800:52:1:1df9:cfa1:ac40:28fa
San José/Provincia de San José/Costa Rica (CR) - Cloudflare, Inc.		•

• 
2a06:98c1:56:1:2693:f8af:6ca2:c6fa
London/England/United Kingdom (GB) - Cloudflare, Inc.		•
cloudflare.net
•  ns1.cloudflare.net / 73m307
108.162.198.250
Ashburn/Virginia/United States (US) - Cloudflare, Inc.		•

• 
162.159.60.250
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
172.64.40.250
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
2606:4700:57:1:4e4b:27d7:a29f:3cfa
Montreal/Quebec/Canada (CA) - Cloudflare, Inc.		•

• 
2803:f800:52:1:1df9:cfa1:ac40:28fa
San José/Provincia de San José/Costa Rica (CR) - Cloudflare, Inc.		•

• 
2a06:98c1:56:1:2693:f8af:6ca2:c6fa
London/England/United Kingdom (GB) - Cloudflare, Inc.		•

•  ns2.cloudflare.net / 73m569
108.162.198.251
Ashburn/Virginia/United States (US) - Cloudflare, Inc.		•

• 
162.159.60.251
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
172.64.40.251
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
2606:4700:57:1:e6ea:b99c:a29f:3cfb
Montreal/Quebec/Canada (CA) - Cloudflare, Inc.		•

• 
2803:f800:52:1:4da:414e:ac40:28fb
San José/Provincia de San José/Costa Rica (CR) - Cloudflare, Inc.		•

• 
2a06:98c1:56:1:ca7d:4c29:6ca2:c6fb
London/England/United Kingdom (GB) - Cloudflare, Inc.		•

•  ns3.cloudflare.net / 1055m77
108.162.198.252
Ashburn/Virginia/United States (US) - Cloudflare, Inc.		•

• 
162.159.60.252
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
172.64.40.252
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
2606:4700:57:1:cba:4d93:a29f:3cfc
Montreal/Quebec/Canada (CA) - Cloudflare, Inc.		•

• 
2803:f800:52:1:b216:ccbe:ac40:28fc
San José/Provincia de San José/Costa Rica (CR) - Cloudflare, Inc.		•

• 
2a06:98c1:56:1:2cfa:9492:6ca2:c6fc
London/England/United Kingdom (GB) - Cloudflare, Inc.		•

•  ns4.cloudflare.net / 906m124
108.162.198.253
Ashburn/Virginia/United States (US) - Cloudflare, Inc.		•

• 
162.159.60.253
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
172.64.40.253
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
2606:4700:57:1:fd14:b411:a29f:3cfd
Montreal/Quebec/Canada (CA) - Cloudflare, Inc.		•

• 
2803:f800:52:1:e69e:46f0:ac40:28fd
San José/Provincia de San José/Costa Rica (CR) - Cloudflare, Inc.		•

• 
2a06:98c1:56:1:45a3:de4a:6ca2:c6fd
London/England/United Kingdom (GB) - Cloudflare, Inc.		•

•  ns5.cloudflare.net / 1055m77
108.162.198.254
Ashburn/Virginia/United States (US) - Cloudflare, Inc.		•

• 
162.159.60.254
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
172.64.40.254
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.		•

• 
2606:4700:57:1:cb7b:a51d:a29f:3cfe
Montreal/Quebec/Canada (CA) - Cloudflare, Inc.		•

• 
2803:f800:52:1:d48b:2cd:ac40:28fe
San José/Provincia de San José/Costa Rica (CR) - Cloudflare, Inc.		•

• 
2a06:98c1:56:1:3b6c:6602:6ca2:c6fe
London/England/United Kingdom (GB) - Cloudflare, Inc.		•
net
•  a.gtld-servers.net / nnn1-par6
•

•  b.gtld-servers.net / nnn1-elwaw4
•

•  c.gtld-servers.net / nnn1-par6
•

•  d.gtld-servers.net / nnn1-defra-5
•

•  e.gtld-servers.net / nnn1-par6
•

•  f.gtld-servers.net / nnn1-defra-4
•

•  g.gtld-servers.net / nnn1-defra-4
•

•  h.gtld-servers.net / nnn1-defra-4
•

•  i.gtld-servers.net / nnn1-defra-4
•

•  j.gtld-servers.net / nnn1-frmrs-2
•

•  k.gtld-servers.net / nnn1-frmrs-2
•

•  l.gtld-servers.net / nnn1-ein2
•

•  m.gtld-servers.net / nnn1-frmrs-2
•

 

4. SOA-Entries


Domain:com
Zone-Name:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1783456026
Refresh:1800
Retry:900
Expire:604800
TTL:900
num Entries:11


Domain:com
Zone-Name:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1783456041
Refresh:1800
Retry:900
Expire:604800
TTL:900
num Entries:2


Domain:comodoca.com
Zone-Name:comodoca.com
Primary:ns1.as48447.net
Mail:hostmaster.comodoca.com
Serial:2025310301
Refresh:1800
Retry:1200
Expire:1814400
TTL:5400
num Entries:6


Domain:www.crt.comodoca.com
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


Domain:net
Zone-Name:net
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1783456041
Refresh:1800
Retry:900
Expire:604800
TTL:900
num Entries:1


Domain:net
Zone-Name:net
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1783456056
Refresh:1800
Retry:900
Expire:604800
TTL:900
num Entries:12


Domain:cloudflare.net
Zone-Name:cloudflare.net
Primary:ns1.cloudflare.net
Mail:dns.cloudflare.com
Serial:2407082794
Refresh:10000
Retry:2400
Expire:604800
TTL:1800
num Entries:30


Domain:cdn.cloudflare.net
Zone-Name:cloudflare.net
Primary:ns1.cloudflare.net
Mail:dns.cloudflare.com
Serial:2407082794
Refresh:10000
Retry:2400
Expire:604800
TTL:1800
num Entries:6


Domain:com.cdn.cloudflare.net
Zone-Name:cloudflare.net
Primary:ns1.cloudflare.net
Mail:dns.cloudflare.com
Serial:2407082794
Refresh:10000
Retry:2400
Expire:604800
TTL:1800
num Entries:6


Domain:comodoca.com.cdn.cloudflare.net
Zone-Name:cloudflare.net
Primary:ns1.cloudflare.net
Mail:dns.cloudflare.com
Serial:2407082794
Refresh:10000
Retry:2400
Expire:604800
TTL:1800
num Entries:6


Domain:crt.comodoca.com.cdn.cloudflare.net
Zone-Name:cloudflare.net
Primary:ns1.cloudflare.net
Mail:dns.cloudflare.com
Serial:2407082794
Refresh:10000
Retry:2400
Expire:604800
TTL:1800
num Entries:6


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
• http://crt.comodoca.com/
104.18.38.233
200
Warning: Control chars (Ascii 1, 3) found in Html-Content
Html is minified: 500.00 %
0.046
I
Date: Tue, 07 Jul 2026 20:37:48 GMT
Connection: keep-alive
Server: cloudflare
Set-Cookie: __cf_bm=p9B.EGdywW6fv7jP3YeKpGQhSWr13rQyNyWjFrqMNmM-1783456668.7547286-1.0.1.1-o54N4iuJgShMYjU8O.5Ffc2IbM_3TJ_EHLcTjqVbyLvPo8yyd70oEfPz3z6vUQGlo1CBOIS5oIBCmrD8kP09fSoBlEv5ri28QRe9R2fboQjA0vuELBH2Q0YBT6cPjzJp; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
X-CCACDN-Proxy-ID: mcdpinlb3
X-Frame-Options: SAMEORIGIN
Accept-Ranges: bytes
cf-cache-status: EXPIRED
CF-RAY: a179a633b90d5315-TXL
Content-Type: application/ocsp-response
Content-Length: 5
Last-Modified: Tue, 07 Jul 2026 20:37:48 GMT

• http://crt.comodoca.com/
172.64.149.23
200
Warning: Control chars (Ascii 1, 3) found in Html-Content
Html is minified: 500.00 %
0.013
I
Date: Tue, 07 Jul 2026 20:37:48 GMT
Connection: keep-alive
Server: cloudflare
Set-Cookie: __cf_bm=xYXEMYLLSVzV5gBXB18Lfn_poNgHgF6oFroF8BT6EOc-1783456668.820059-1.0.1.1-6GCbtxJZ7hUJDAbDVX2XlRPC.qZxmTBKn9bRIDQtfiLKKfTO05bp3NmMYX6G6O_vB6Lxx_xOG_TPZ9_EEgGbgQn8PoBKKdIPlqiTsZw1nGSFrRcIzpTJ68PTMaDDoPii; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
X-CCACDN-Proxy-ID: mcdpinlb3
X-Frame-Options: SAMEORIGIN
Age: 0
Accept-Ranges: bytes
cf-cache-status: HIT
CF-RAY: a179a6341c88e533-TXL
Content-Type: application/ocsp-response
Content-Length: 5
Last-Modified: Tue, 07 Jul 2026 20:37:48 GMT

• http://crt.comodoca.com/
2a06:98c1:3105::ac40:9517
200
Warning: Control chars (Ascii 1, 3) found in Html-Content
Html is minified: 500.00 %
0.013
I
Date: Tue, 07 Jul 2026 20:37:48 GMT
Connection: keep-alive
Server: cloudflare
Set-Cookie: __cf_bm=Kbmj46QkC8JK2dXCddkffgvNWMCBKV99y_g9nglCX7M-1783456668.8510454-1.0.1.1-No4rY6.pGeU7zAvBc8EGbjCgZ0qjXv171nq6bA2Hm8gCn19uQvyciSf3sBgXLUnnz9JMXnd_A6r3Mb7Y.xEEO8.49I_uxuL1RbBpF9MhCS_7aFEz2p2tCxbtdCXtWS6R; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
X-CCACDN-Proxy-ID: mcdpinlb3
X-Frame-Options: SAMEORIGIN
Age: 0
Accept-Ranges: bytes
cf-cache-status: HIT
CF-RAY: a179a6345cb0e507-TXL
Content-Type: application/ocsp-response
Content-Length: 5
Last-Modified: Tue, 07 Jul 2026 20:37:48 GMT

• http://crt.comodoca.com/
2a06:98c1:3106::6812:26e9
200
Warning: Control chars (Ascii 1, 3) found in Html-Content
Html is minified: 500.00 %
0.013
I
Date: Tue, 07 Jul 2026 20:37:48 GMT
Connection: keep-alive
Server: cloudflare
Set-Cookie: __cf_bm=6ti0UYTr2i0xWdLicNUNBPyLIkLgGCi4G2aw1dcYpqU-1783456668.8819604-1.0.1.1-4qWDIKN5NXT7YpSL_HGRj0R0esRQXKN79_2hRC9ZW1URkA731mslgWnX1yqQnJXJA4quNrSn4dgQzXEymjcvEKt5s2DZ5Kto9UuJgfkNgqdmxWaeG_vvLxy4fMPaoQi.; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
X-CCACDN-Proxy-ID: mcdpinlb3
X-Frame-Options: SAMEORIGIN
Age: 0
Accept-Ranges: bytes
cf-cache-status: HIT
CF-RAY: a179a6348f78dcd9-TXL
Content-Type: application/ocsp-response
Content-Length: 5
Last-Modified: Tue, 07 Jul 2026 20:37:48 GMT

• https://crt.comodoca.com/
104.18.38.233
-103


0.033
P
SecureConnectionError (3, 0x80131501). The SSL connection could not be established, see inner exception. Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'. (FF: SSL_ERROR_NO_CYPHER_OVERLAP)

• https://crt.comodoca.com/
172.64.149.23
-103


0.036
P
SecureConnectionError (3, 0x80131501). The SSL connection could not be established, see inner exception. Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'. (FF: SSL_ERROR_NO_CYPHER_OVERLAP)

• https://crt.comodoca.com/
2a06:98c1:3105::ac40:9517
-103


0.023
P
SecureConnectionError (3, 0x80131501). The SSL connection could not be established, see inner exception. Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'. (FF: SSL_ERROR_NO_CYPHER_OVERLAP)

• https://crt.comodoca.com/
2a06:98c1:3106::6812:26e9
-103


0.033
P
SecureConnectionError (3, 0x80131501). The SSL connection could not be established, see inner exception. Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'. (FF: SSL_ERROR_NO_CYPHER_OVERLAP)

• http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
104.18.38.233
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		200
Warning: Control chars (Ascii 1, 3) found in Html-Content
Html is minified: 500.00 %
Other inline scripts (∑/total): 0/0		0.050

Visible Content:
Date: Tue, 07 Jul 2026 20:37:49 GMT
Connection: keep-alive
Server: cloudflare
Set-Cookie: __cf_bm=YUBabsMa5kcZtvXSqd_Ym01hqcUcSwG9u7btxTLdRMU-1783456669.1675782-1.0.1.1-9YARW0.lAvUXXsZIo9wQBwF9dXrchPOST2KGi0Yyt9NSadjxkUPwq.J.7snMy.vLJHTFd4kojcuGhQiQgXqRx_P_UA6x30dakKBLhk3pqO2xpMNxgD8orHN.ws.i6pN.; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
X-CCACDN-Proxy-ID: mcdpinlb5
X-Frame-Options: SAMEORIGIN
Accept-Ranges: bytes
cf-cache-status: MISS
CF-RAY: a179a63649f95315-TXL
Content-Type: application/ocsp-response
Content-Length: 5
Last-Modified: Tue, 07 Jul 2026 20:37:49 GMT

• http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
172.64.149.23
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		200
Warning: Control chars (Ascii 1, 3) found in Html-Content
Html is minified: 500.00 %
Other inline scripts (∑/total): 0/0		0.017

Visible Content:
Date: Tue, 07 Jul 2026 20:37:49 GMT
Connection: keep-alive
Server: cloudflare
Set-Cookie: __cf_bm=1UJCMMj3.RLUl5Je0A2PwdSgjVye0QdrAgzr8ld3_2k-1783456669.293872-1.0.1.1-IToNDDhoodonJpKwsrGg6FBOURZVwLbmYcfmzoOWw5bpDM10S7V4Poj_GCgbpQn8Xi3E3Htq36Bfia2u9P5nPhjKT0xD1vRow77MUelKqBf4GjVGfWvC_b8t.jftHGgY; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
X-CCACDN-Proxy-ID: mcdpinlb5
X-Frame-Options: SAMEORIGIN
Age: 0
Accept-Ranges: bytes
cf-cache-status: HIT
CF-RAY: a179a6371e19e533-TXL
Content-Type: application/ocsp-response
Content-Length: 5
Last-Modified: Tue, 07 Jul 2026 20:37:49 GMT

• http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
2a06:98c1:3105::ac40:9517
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		200
Warning: Control chars (Ascii 1, 3) found in Html-Content
Html is minified: 500.00 %
Other inline scripts (∑/total): 0/0		0.017

Visible Content:
Date: Tue, 07 Jul 2026 20:37:49 GMT
Connection: keep-alive
Server: cloudflare
Set-Cookie: __cf_bm=5c960Ie_M18SVEDknc6SO0Swje2jX5nZ4kwSa8HXiBs-1783456669.3761718-1.0.1.1-TlrkNOoVtdDxmYD3BpVTibhhcyy8aDdfnf8XxEqObkTl4whmba30t8.U2QIUY4DiK1e9WmsB63zjLRUlzRtccCOeQNExoP9BQBfTEG4b7cvgBIAdUxHnE.jQ665ntEn6; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
X-CCACDN-Proxy-ID: mcdpinlb5
X-Frame-Options: SAMEORIGIN
Age: 0
Accept-Ranges: bytes
cf-cache-status: HIT
CF-RAY: a179a63798b2e507-TXL
Content-Type: application/ocsp-response
Content-Length: 5
Last-Modified: Tue, 07 Jul 2026 20:37:49 GMT

• http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
2a06:98c1:3106::6812:26e9
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		200
Warning: Control chars (Ascii 1, 3) found in Html-Content
Html is minified: 500.00 %
Other inline scripts (∑/total): 0/0		0.017

Visible Content:
Date: Tue, 07 Jul 2026 20:37:49 GMT
Connection: keep-alive
Server: cloudflare
Set-Cookie: __cf_bm=2rQJXaO9a.IxBFcfJVvqSqOWx8Z3_Tqf4R4KLAiwCJ8-1783456669.4667199-1.0.1.1-j92l9UrHp6g4zHLzv2JDM6tU.cmfujtGkbe5VB3Xj9kfpc5LUlhmBaUINc6M1IxQCTBKHZEyhydWHKTYy8RWir_yz6o31aucuw2f9igdPQjWiUjm3HjnoBQ4SqHMqNEX; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
X-CCACDN-Proxy-ID: mcdpinlb5
X-Frame-Options: SAMEORIGIN
Age: 0
Accept-Ranges: bytes
cf-cache-status: HIT
CF-RAY: a179a6382a5ddcd9-TXL
Content-Type: application/ocsp-response
Content-Length: 5
Last-Modified: Tue, 07 Jul 2026 20:37:49 GMT

• https://104.18.38.233/
104.18.38.233
-103


0.037
P
SecureConnectionError (3, 0x80131501). The SSL connection could not be established, see inner exception. Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'. (FF: SSL_ERROR_NO_CYPHER_OVERLAP)

• https://172.64.149.23/
172.64.149.23
-103


0.046
P
SecureConnectionError (3, 0x80131501). The SSL connection could not be established, see inner exception. Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'. (FF: SSL_ERROR_NO_CYPHER_OVERLAP)

• https://[2a06:98c1:3105:0000:0000:0000:ac40:9517]/
2a06:98c1:3105::ac40:9517
-103


0.043
P
SecureConnectionError (3, 0x80131501). The SSL connection could not be established, see inner exception. Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'. (FF: SSL_ERROR_NO_CYPHER_OVERLAP)

• https://[2a06:98c1:3106:0000:0000:0000:6812:26e9]/
2a06:98c1:3106::6812:26e9
-103


0.037
P
SecureConnectionError (3, 0x80131501). The SSL connection could not be established, see inner exception. Authentication failed because the remote party sent a TLS alert: 'HandshakeFailure'. (FF: SSL_ERROR_NO_CYPHER_OVERLAP)

 

7. Comments


1. General Results, most used to calculate the result

Aname "crt.comodoca.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: 108094 (complete: 276475)
AGood: All ip addresses are public addresses
AGood: Minimal 2 ip addresses per domain name found: crt.comodoca.com has 4 different ip addresses (authoritative).
AGood: Ipv4 and Ipv6 addresses per domain name found: crt.comodoca.com has 2 ipv4, 2 ipv6 addresses
AGood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
AGood - only one version with Http-Status 200
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):0 complete Content-Type - header (8 urls)
http://crt.comodoca.com/ 104.18.38.233


Url with incomplete Content-Type - header - missing charset
http://crt.comodoca.com/ 172.64.149.23


Url with incomplete Content-Type - header - missing charset
http://crt.comodoca.com/ 2a06:98c1:3105::ac40:9517


Url with incomplete Content-Type - header - missing charset
http://crt.comodoca.com/ 2a06:98c1:3106::6812:26e9


Url with incomplete Content-Type - header - missing charset
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 104.18.38.233


Url with incomplete Content-Type - header - missing charset
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 172.64.149.23


Url with incomplete Content-Type - header - missing charset
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a06:98c1:3105::ac40:9517


Url with incomplete Content-Type - header - missing charset
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a06:98c1:3106::6812:26e9


Url with incomplete Content-Type - header - missing charset
http://crt.comodoca.com/ 104.18.38.233
200
__cf_bm=p9B.EGdywW6fv7jP3YeKpGQhSWr13rQyNyWjFrqMNmM-1783456668.7547286-1.0.1.1-o54N4iuJgShMYjU8O.5Ffc2IbM_3TJ_EHLcTjqVbyLvPo8yyd70oEfPz3z6vUQGlo1CBOIS5oIBCmrD8kP09fSoBlEv5ri28QRe9R2fboQjA0vuELBH2Q0YBT6cPjzJp; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://crt.comodoca.com/ 172.64.149.23
200
__cf_bm=xYXEMYLLSVzV5gBXB18Lfn_poNgHgF6oFroF8BT6EOc-1783456668.820059-1.0.1.1-6GCbtxJZ7hUJDAbDVX2XlRPC.qZxmTBKn9bRIDQtfiLKKfTO05bp3NmMYX6G6O_vB6Lxx_xOG_TPZ9_EEgGbgQn8PoBKKdIPlqiTsZw1nGSFrRcIzpTJ68PTMaDDoPii; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://crt.comodoca.com/ 2a06:98c1:3105::ac40:9517
200
__cf_bm=Kbmj46QkC8JK2dXCddkffgvNWMCBKV99y_g9nglCX7M-1783456668.8510454-1.0.1.1-No4rY6.pGeU7zAvBc8EGbjCgZ0qjXv171nq6bA2Hm8gCn19uQvyciSf3sBgXLUnnz9JMXnd_A6r3Mb7Y.xEEO8.49I_uxuL1RbBpF9MhCS_7aFEz2p2tCxbtdCXtWS6R; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://crt.comodoca.com/ 2a06:98c1:3106::6812:26e9
200
__cf_bm=6ti0UYTr2i0xWdLicNUNBPyLIkLgGCi4G2aw1dcYpqU-1783456668.8819604-1.0.1.1-4qWDIKN5NXT7YpSL_HGRj0R0esRQXKN79_2hRC9ZW1URkA731mslgWnX1yqQnJXJA4quNrSn4dgQzXEymjcvEKt5s2DZ5Kto9UuJgfkNgqdmxWaeG_vvLxy4fMPaoQi.; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 104.18.38.233
200
__cf_bm=YUBabsMa5kcZtvXSqd_Ym01hqcUcSwG9u7btxTLdRMU-1783456669.1675782-1.0.1.1-9YARW0.lAvUXXsZIo9wQBwF9dXrchPOST2KGi0Yyt9NSadjxkUPwq.J.7snMy.vLJHTFd4kojcuGhQiQgXqRx_P_UA6x30dakKBLhk3pqO2xpMNxgD8orHN.ws.i6pN.; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 172.64.149.23
200
__cf_bm=1UJCMMj3.RLUl5Je0A2PwdSgjVye0QdrAgzr8ld3_2k-1783456669.293872-1.0.1.1-IToNDDhoodonJpKwsrGg6FBOURZVwLbmYcfmzoOWw5bpDM10S7V4Poj_GCgbpQn8Xi3E3Htq36Bfia2u9P5nPhjKT0xD1vRow77MUelKqBf4GjVGfWvC_b8t.jftHGgY; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a06:98c1:3105::ac40:9517
200
__cf_bm=5c960Ie_M18SVEDknc6SO0Swje2jX5nZ4kwSa8HXiBs-1783456669.3761718-1.0.1.1-TlrkNOoVtdDxmYD3BpVTibhhcyy8aDdfnf8XxEqObkTl4whmba30t8.U2QIUY4DiK1e9WmsB63zjLRUlzRtccCOeQNExoP9BQBfTEG4b7cvgBIAdUxHnE.jQ665ntEn6; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a06:98c1:3106::6812:26e9
200
__cf_bm=2rQJXaO9a.IxBFcfJVvqSqOWx8Z3_Tqf4R4KLAiwCJ8-1783456669.4667199-1.0.1.1-j92l9UrHp6g4zHLzv2JDM6tU.cmfujtGkbe5VB3Xj9kfpc5LUlhmBaUINc6M1IxQCTBKHZEyhydWHKTYy8RWir_yz6o31aucuw2f9igdPQjWiUjm3HjnoBQ4SqHMqNEX; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
Bhttp://crt.comodoca.com/ 104.18.38.233
200
__cf_bm=p9B.EGdywW6fv7jP3YeKpGQhSWr13rQyNyWjFrqMNmM-1783456668.7547286-1.0.1.1-o54N4iuJgShMYjU8O.5Ffc2IbM_3TJ_EHLcTjqVbyLvPo8yyd70oEfPz3z6vUQGlo1CBOIS5oIBCmrD8kP09fSoBlEv5ri28QRe9R2fboQjA0vuELBH2Q0YBT6cPjzJp; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttp://crt.comodoca.com/ 172.64.149.23
200
__cf_bm=xYXEMYLLSVzV5gBXB18Lfn_poNgHgF6oFroF8BT6EOc-1783456668.820059-1.0.1.1-6GCbtxJZ7hUJDAbDVX2XlRPC.qZxmTBKn9bRIDQtfiLKKfTO05bp3NmMYX6G6O_vB6Lxx_xOG_TPZ9_EEgGbgQn8PoBKKdIPlqiTsZw1nGSFrRcIzpTJ68PTMaDDoPii; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttp://crt.comodoca.com/ 2a06:98c1:3105::ac40:9517
200
__cf_bm=Kbmj46QkC8JK2dXCddkffgvNWMCBKV99y_g9nglCX7M-1783456668.8510454-1.0.1.1-No4rY6.pGeU7zAvBc8EGbjCgZ0qjXv171nq6bA2Hm8gCn19uQvyciSf3sBgXLUnnz9JMXnd_A6r3Mb7Y.xEEO8.49I_uxuL1RbBpF9MhCS_7aFEz2p2tCxbtdCXtWS6R; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttp://crt.comodoca.com/ 2a06:98c1:3106::6812:26e9
200
__cf_bm=6ti0UYTr2i0xWdLicNUNBPyLIkLgGCi4G2aw1dcYpqU-1783456668.8819604-1.0.1.1-4qWDIKN5NXT7YpSL_HGRj0R0esRQXKN79_2hRC9ZW1URkA731mslgWnX1yqQnJXJA4quNrSn4dgQzXEymjcvEKt5s2DZ5Kto9UuJgfkNgqdmxWaeG_vvLxy4fMPaoQi.; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:48 GMT
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttp://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 104.18.38.233
200
__cf_bm=YUBabsMa5kcZtvXSqd_Ym01hqcUcSwG9u7btxTLdRMU-1783456669.1675782-1.0.1.1-9YARW0.lAvUXXsZIo9wQBwF9dXrchPOST2KGi0Yyt9NSadjxkUPwq.J.7snMy.vLJHTFd4kojcuGhQiQgXqRx_P_UA6x30dakKBLhk3pqO2xpMNxgD8orHN.ws.i6pN.; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttp://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 172.64.149.23
200
__cf_bm=1UJCMMj3.RLUl5Je0A2PwdSgjVye0QdrAgzr8ld3_2k-1783456669.293872-1.0.1.1-IToNDDhoodonJpKwsrGg6FBOURZVwLbmYcfmzoOWw5bpDM10S7V4Poj_GCgbpQn8Xi3E3Htq36Bfia2u9P5nPhjKT0xD1vRow77MUelKqBf4GjVGfWvC_b8t.jftHGgY; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttp://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a06:98c1:3105::ac40:9517
200
__cf_bm=5c960Ie_M18SVEDknc6SO0Swje2jX5nZ4kwSa8HXiBs-1783456669.3761718-1.0.1.1-TlrkNOoVtdDxmYD3BpVTibhhcyy8aDdfnf8XxEqObkTl4whmba30t8.U2QIUY4DiK1e9WmsB63zjLRUlzRtccCOeQNExoP9BQBfTEG4b7cvgBIAdUxHnE.jQ665ntEn6; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttp://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a06:98c1:3106::6812:26e9
200
__cf_bm=2rQJXaO9a.IxBFcfJVvqSqOWx8Z3_Tqf4R4KLAiwCJ8-1783456669.4667199-1.0.1.1-j92l9UrHp6g4zHLzv2JDM6tU.cmfujtGkbe5VB3Xj9kfpc5LUlhmBaUINc6M1IxQCTBKHZEyhydWHKTYy8RWir_yz6o31aucuw2f9igdPQjWiUjm3HjnoBQ4SqHMqNEX; HttpOnly; Path=/; Domain=comodoca.com; Expires=Tue, 07 Jul 2026 21:07:49 GMT
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
HFatal error: No https - result with http-status 200, no encryption
HFatal error: http result with http-status 200, no encryption. Add a redirect http ⇒ https, so every connection is secure. Perhaps in your port 80 vHost something like "RewriteEngine on" + "RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]" (two rows, without the "). Don't add this in your port 443 vHost, that would create a loop.
AGood: More then one ip address per domain name found, checking all ip addresses the same http status and the same certificate found: Domain crt.comodoca.com, 4 ip addresses.
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 crt.comodoca.com, 4 ip addresses.
BNo _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.crt.comodoca.com

2. Header-Checks

U

No https result with http status 2** or 4** (standard-check) found, no header checked.

3. 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.ns1.as48447.net (2a0e:ac00:c7:d432::5bc7:d432, 91.199.212.50), ns2.as48447.net (2a0e:ac00:d1:c432::5bd1:c432, 91.209.196.50), ns3.as48447.net (2a0e:ac00:d4:c32::5bd4:c32, 91.212.12.50)
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: ns1.as48447.net, ns2.as48447.net, ns3.as48447.net, 3 Name Servers included in Delegation: ns1.as48447.net, ns2.as48447.net, ns3.as48447.net, 3 Name Servers included in 1 Zone definitions: ns1.as48447.net, ns2.as48447.net, ns3.as48447.net, 1 Name Servers listed in SOA.Primary: ns1.as48447.net.
AGood: Only one SOA.Primary Name Server found.: ns1.as48447.net.
AGood: SOA.Primary Name Server included in the delegation set.: ns1.as48447.net.
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.
AInfo: Ipv4-Subnet-list: 3 Name Servers, 1 different subnets (first Byte): 91., 3 different subnets (first two Bytes): 91.199., 91.209., 91.212., 3 different subnets (first three Bytes): 91.199.212., 91.209.196., 91.212.12.
AGood: Name Server IPv4-addresses from different subnet found:
AInfo: IPv6-Subnet-list: 3 Name Servers with IPv6, 1 different subnets (first block): 2a0e:, 1 different subnets (first two blocks): 2a0e:ac00:, 3 different subnets (first three blocks): 2a0e:ac00:00c7:, 2a0e:ac00:00d1:, 2a0e:ac00:00d4:, 3 different subnets (first four blocks): 2a0e:ac00:00c7:d432:, 2a0e:ac00:00d1:c432:, 2a0e:ac00:00d4:0c32:
AGood: Name Server IPv6 addresses from different subnets found.
AGood: Nameserver supports TCP connections: 6 good Nameserver
AGood: Nameserver supports Echo Capitalization: 6 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 6 good Nameserver
AGood: 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: ns1.as48447.net: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
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

http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 104.18.38.233
200

Warning: Not existing ACME-file, but Server sends 200, not 404 or redirect. May be a problem creating a Letsencrypt certificate. Checking /.well-known/acme-challenge/random-filename - a http status 404 - Not Found - is expected. If your server sends content and a http status 200, the validation file (87 bytes, token, dot and the hash of the public part of the account key) may be invisible, so Letsencrypt can't validate your domain. If it is an application that sends this content, perhaps create an exception, so /.well-known/acme-challenge sends raw files. Or create a redirect to another domain and / or port 443, but your Letsencrypt client must support such a solution. Certbot: Use webroot as authenticator - https://certbot.eff.org/docs/using.html Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 172.64.149.23
200

Warning: Not existing ACME-file, but Server sends 200, not 404 or redirect. May be a problem creating a Letsencrypt certificate. Checking /.well-known/acme-challenge/random-filename - a http status 404 - Not Found - is expected. If your server sends content and a http status 200, the validation file (87 bytes, token, dot and the hash of the public part of the account key) may be invisible, so Letsencrypt can't validate your domain. If it is an application that sends this content, perhaps create an exception, so /.well-known/acme-challenge sends raw files. Or create a redirect to another domain and / or port 443, but your Letsencrypt client must support such a solution. Certbot: Use webroot as authenticator - https://certbot.eff.org/docs/using.html Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a06:98c1:3105::ac40:9517
200

Warning: Not existing ACME-file, but Server sends 200, not 404 or redirect. May be a problem creating a Letsencrypt certificate. Checking /.well-known/acme-challenge/random-filename - a http status 404 - Not Found - is expected. If your server sends content and a http status 200, the validation file (87 bytes, token, dot and the hash of the public part of the account key) may be invisible, so Letsencrypt can't validate your domain. If it is an application that sends this content, perhaps create an exception, so /.well-known/acme-challenge sends raw files. Or create a redirect to another domain and / or port 443, but your Letsencrypt client must support such a solution. Certbot: Use webroot as authenticator - https://certbot.eff.org/docs/using.html Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
http://crt.comodoca.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a06:98c1:3106::6812:26e9
200

Warning: Not existing ACME-file, but Server sends 200, not 404 or redirect. May be a problem creating a Letsencrypt certificate. Checking /.well-known/acme-challenge/random-filename - a http status 404 - Not Found - is expected. If your server sends content and a http status 200, the validation file (87 bytes, token, dot and the hash of the public part of the account key) may be invisible, so Letsencrypt can't validate your domain. If it is an application that sends this content, perhaps create an exception, so /.well-known/acme-challenge sends raw files. Or create a redirect to another domain and / or port 443, but your Letsencrypt client must support such a solution. Certbot: Use webroot as authenticator - https://certbot.eff.org/docs/using.html Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
AInfo: No img element found, no alt attribute checked
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: 622950 milliseconds, 622.950 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" > of the last months are listed

No CRT - CT-Log entries found

 

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/


No https result http status 200 and Content-Type text/html or text/xml found, no Html-Parsing - Check

 

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns1.as48447.net, ns2.as48447.net, ns3.as48447.net

 

QNr.DomainTypeNS used
1
net
NS
k.root-servers.net (2001:7fd::1)

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
ns1.as48447.net: 2a0e:ac00:c7:d432::5bc7:d432, 91.199.212.50
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns2.as48447.net
2a0e:ac00:d1:c432::5bd1:c432, 91.209.196.50

Answer: ns3.as48447.net
2a0e:ac00:d4:c32::5bd4:c32, 91.212.12.50

 

14. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
crt.comodoca.com.cdn.cloudflare.net
0

no CAA entry found
1
0
comodoca.com.cdn.cloudflare.net
0

no CAA entry found
1
0
com.cdn.cloudflare.net
0

no CAA entry found
1
0
cdn.cloudflare.net
0

no CAA entry found
1
0
crt.comodoca.com



1
0
cloudflare.net
0

no CAA entry found
1
0
comodoca.com
0

no CAA entry found
1
0
com
0

no CAA entry found
1
0
net
0

no CAA entry found
1
0

 

15. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
comodoca.com
00d1n000002ljihuac
ok
1
0
comodoca.com
google-site-verification=UE_67ZnSyfCyNcHGoDqJj4XX_sf5fRfKy1uKk4lU62Q
ok
1
0
comodoca.com
v=spf1 mx include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.salesforce.com include:spf-0097fb02.pphosted.com ip4:91.199.212.0/24 ip4:91.209.196.0/24 ip4:91.212.12.0/24 ip6:2a0e:ac00::/32 -all
ok
1
0
crt.comodoca.com


1
0
_acme-challenge.crt.comodoca.com

Name Error - The domain name does not exist
1
0
_acme-challenge.crt.comodoca.com.comodoca.com

Name Error - The domain name does not exist
1
0
_acme-challenge.crt.comodoca.com.crt.comodoca.com

Name Error - The domain name does not exist
1
0
_acme-challenge.crt.comodoca.com.cdn.cloudflare.net

missing entry or wrong length
1
0
_acme-challenge.crt.comodoca.com.cdn.cloudflare.net.crt.comodoca.com.cdn.cloudflare.net

 perhaps wrong
1
0

 

16. DomainService - Entries

TypeDomainPrefValueDNS-errornum AnswersStatusDescription
SPF
TXT
crt.comodoca.com

32768TXT expected, but CNAME found. CNAME not allowed, only TXT queries are allowed. See RFC 7208, 4.4.

				 
			

				 
			
17. Cipher Suites



Skipped, CDN used or too many ip addresses

				 
			
18. Portchecks



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



				 
			

				 
			

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Last Result: https://check-your-website.server-daten.de/?q=crt.comodoca.com - 2026-07-07 22:27:29

				 
			
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