DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.2

mx2c28.carrierzone.com · 66.226.70.79:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
OU=Domain Control Validated COMODO SSL Wildcard CN=*.cnc.net
Issuer
C=GB ST=Greater Manchester L=Salford O=COMODO CA Limited CN=COMODO RSA Domain Validation Secure Server CA
Valid from
2019-01-11T00:00:00+00:00
Expires
2020-01-11T23:59:59+00:00
Days remaining
-2456
Serial (hex)
964E91D4378B1023A1CACA3C77A59B98
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.cnc.net, DNS:cnc.net

SHA-256 fingerprint

97:EE:B3:CD:98:BA:87:4E:B7:32:39:2B:C2:4C:7D:CD:26:0B:BD:32:24:FB:9B:45:F2:8F:F8:2B:25:EC:A8:2F
Certificate extensions & PEM
authorityKeyIdentifier
90:AF:6A:3A:94:5A:0B:D8:90:EA:12:56:73:DF:43:B4:3A:28:DA:E7
subjectKeyIdentifier
03:A1:B0:E2:6D:19:68:8E:8D:2B:0E:21:E2:5A:C7:28:50:D6:F1:05
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://secure.comodo.com/CPS Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.comodoca.com/COMODORSADomainValidationSecureServerCA.crl
authorityInfoAccess
CA Issuers - URI:http://crt.comodoca.com/COMODORSADomainValidationSecureServerCA.crt OCSP - URI:http://ocsp.comodoca.com
subjectAltName
DNS:*.cnc.net, DNS:cnc.net
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : BB:D9:DF:BC:1F:8A:71:B5:93:94:23:97:AA:92:7B:47: 38:57:95:0A:AB:52:E8:1A:90:96:64:36:8E:1E:D1:85 Timestamp : Jan 11 14:00:32.092 2019 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:7A:AB:CA:F2:0B:FA:C0:A9:2E:1E:78:91: E0:8C:B7:ED:8B:8F:72:35:8F:0E:8C:A1:26:D4:6C:81: 6E:BD:4B:D7:02:20:3A:69:52:3B:AB:D0:D3:C6:A0:84: B5:FD:79:1C:92:B8:76:D2:87:04:DB:6F:44:E1:7A:73: 5F:67:01:47:E8:9B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 5E:A7:73:F9:DF:56:C0:E7:B5:36:48:7D:D0:49:E0:32: 7A:91:9A:0C:84:A1:12:12:84:18:75:96:81:71:45:58 Timestamp : Jan 11 14:00:32.176 2019 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:8F:9C:43:92:70:97:0F:E4:4F:6F:E9: 47:81:F6:2B:36:50:95:96:67:A4:89:BA:E1:B5:7B:B1: C4:18:6B:6B:C6:02:20:64:5C:4E:EC:72:40:2E:A0:EB: BE:7E:64:91:40:99:CB:33:DF:30:44:EE:5A:75:C2:73: 54:3A:AB:DC:12:FB:AC
-----BEGIN CERTIFICATE-----
MIIGSTCCBTGgAwIBAgIRAJZOkdQ3ixAjocrKPHelm5gwDQYJKoZIhvcNAQELBQAw
gZAxCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO
BgNVBAcTB1NhbGZvcmQxGjAYBgNVBAoTEUNPTU9ETyBDQSBMaW1pdGVkMTYwNAYD
VQQDEy1DT01PRE8gUlNBIERvbWFpbiBWYWxpZGF0aW9uIFNlY3VyZSBTZXJ2ZXIg
Q0EwHhcNMTkwMTExMDAwMDAwWhcNMjAwMTExMjM1OTU5WjBVMSEwHwYDVQQLExhE
b21haW4gQ29udHJvbCBWYWxpZGF0ZWQxHDAaBgNVBAsTE0NPTU9ETyBTU0wgV2ls
ZGNhcmQxEjAQBgNVBAMMCSouY25jLm5ldDCCASIwDQYJKoZIhvcNAQEBBQADggEP
ADCCAQoCggEBAMK4gMxJ7+Fbq5aaMlsv3Vr5YG/Ie7oCHwYAiHaaPPJQZyweHFTO
IJ5fgusueYsWijTKXUxsrMnUerUD4LRFHOSjob2+HYfFd82pnYKdWnElrwVJebTu
1oOZQdWcT8iZpKkZsTlhraHXy9xRYqKK/1+jYaUnMRA/wvpDEPY2Wt6jETrw3iPM
t2zkZz7nBvtCwxjTmuwv+DCDkcMmhXnY2f8INnMJc+ezJ+P0zp5w1kDeFQpgAbPV
6Gl30G7Pb/v00cnq0X1WNODmy5VJ8CzATgwlu1sk9t+PMbfz7kyci3t3C4+2wl8k
kmcKZB17Fcmf+5AuCm4tFo71l/uq8pIdaMcCAwEAAaOCAtYwggLSMB8GA1UdIwQY
MBaAFJCvajqUWgvYkOoSVnPfQ7Q6KNrnMB0GA1UdDgQWBBQDobDibRlojo0rDiHi
WscoUNbxBTAOBgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAU
BggrBgEFBQcDAQYIKwYBBQUHAwIwTwYDVR0gBEgwRjA6BgsrBgEEAbIxAQICBzAr
MCkGCCsGAQUFBwIBFh1odHRwczovL3NlY3VyZS5jb21vZG8uY29tL0NQUzAIBgZn
gQwBAgEwVAYDVR0fBE0wSzBJoEegRYZDaHR0cDovL2NybC5jb21vZG9jYS5jb20v
Q09NT0RPUlNBRG9tYWluVmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNybDCBhQYI
KwYBBQUHAQEEeTB3ME8GCCsGAQUFBzAChkNodHRwOi8vY3J0LmNvbW9kb2NhLmNv
bS9DT01PRE9SU0FEb21haW5WYWxpZGF0aW9uU2VjdXJlU2VydmVyQ0EuY3J0MCQG
CCsGAQUFBzABhhhodHRwOi8vb2NzcC5jb21vZG9jYS5jb20wHQYDVR0RBBYwFIIJ
Ki5jbmMubmV0ggdjbmMubmV0MIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAu9nf
vB+KcbWTlCOXqpJ7RzhXlQqrUugakJZkNo4e0YUAAAFoPTbcXAAABAMARjBEAiB6
q8ryC/rAqS4eeJHgjLfti49yNY8OjKEm1GyBbr1L1wIgOmlSO6vQ08aghLX9eRyS
uHbShwTbb0ThenNfZwFH6JsAdgBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWW
gXFFWAAAAWg9NtywAAAEAwBHMEUCIQCPnEOScJcP5E9v6UeB9is2UJWWZ6SJuuG1
e7HEGGtrxgIgZFxO7HJALqDrvn5kkUCZyzPfMETuWnXCc1Q6q9wS+6wwDQYJKoZI
hvcNAQELBQADggEBADJOEBCss/IiaTmxvYqdSjQfQc5diaVkz1UhLh4iLff5TSNW
NpM8Fxu++ev3pAyGk2rck6J12DdZoVWMF6XPqdAnm02201E1lbXMVrShvgrDrvkW
EjI5zn3c9XbZpJ8P9SW9z7kqf4C5jItwOFbFaEzsKnZmvq4A2q3b81UUt8MOjE+t
IjUBJSFmhTHssLb0DmoGvU6Go11V6BL/jde6DYoqYwa7FxEP3rw6MwVipTsEP9da
9V2aEzhcuXl4cgLD6l9UZDqpIuUE/MjHZJuK8068SQPge/Pocbn4iOAumFDAtSuI
otVdNUbREEBgmZ+4HeWpjot14cCGWjhkSXeQpcU=
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-02T18:59:48+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=GB ST=Greater Manchester L=Salford O=COMODO CA Limited CN=COMODO RSA Domain Validation Secure Server CA
Issuer
C=GB ST=Greater Manchester L=Salford O=COMODO CA Limited CN=COMODO RSA Certification Authority
Valid from
2014-02-12T00:00:00+00:00
Expires
2029-02-11T23:59:59+00:00
Days remaining
863
Serial (hex)
2B2E6EEAD975366C148A6EDBA37C8C07
Signature
RSA-SHA384
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

02:AB:57:E4:E6:7A:0C:B4:8D:D2:FF:34:83:0E:8A:C4:0F:44:76:FB:08:CA:6B:E3:F5:CD:84:6F:64:68:40:F0
Certificate extensions & PEM
authorityKeyIdentifier
BB:AF:7E:02:3D:FA:A6:F1:3C:84:8E:AD:EE:38:98:EC:D9:32:32:D4
subjectKeyIdentifier
90:AF:6A:3A:94:5A:0B:D8:90:EA:12:56:73:DF:43:B4:3A:28:DA:E7
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.comodoca.com/COMODORSACertificationAuthority.crl
authorityInfoAccess
CA Issuers - URI:http://crt.comodoca.com/COMODORSAAddTrustCA.crt OCSP - URI:http://ocsp.comodoca.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GB ST=Greater Manchester L=Salford O=COMODO CA Limited CN=COMODO RSA Certification Authority
Issuer
C=GB ST=Greater Manchester L=Salford O=COMODO CA Limited CN=COMODO RSA Certification Authority
Valid from
2010-01-19T00:00:00+00:00
Expires
2038-01-18T23:59:59+00:00
Days remaining
4126
Serial (hex)
4CAAF9CADB636FE01FF74ED85B03869D
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

52:F0:E1:C4:E5:8E:C6:29:29:1B:60:31:7F:07:46:71:B8:5D:7E:A8:0D:5B:07:27:34:63:53:4B:32:B4:02:34
Certificate extensions & PEM
subjectKeyIdentifier
BB:AF:7E:02:3D:FA:A6:F1:3C:84:8E:AD:EE:38:98:EC:D9:32:32:D4
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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