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

TLSv1.3

atlanticbb.com · 65.175.128.109:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
C=US ST=Pennsylvania L=Johnstown O=Cogeco US Finance, LLC CN=*.atlanticbb.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2025-12-11T00:00:00+00:00
Expires
2027-01-06T23:59:59+00:00
Days remaining
103
Serial (hex)
06D27D1E1FE62FAC4AC1D6F2D8DCB9FF
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.atlanticbb.com, DNS:atlanticbb.com

SHA-256 fingerprint

4C:1A:DC:53:59:A0:72:9C:AF:68:C7:29:37:D3:9F:5A:92:8D:EB:10:58:02:31:7D:DB:CC:C2:1A:CD:6B:4E:AB
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
FA:7A:EB:20:5B:8F:18:46:B9:FA:23:45:E5:03:39:6B:C9:EB:75:99
subjectAltName
DNS:*.atlanticbb.com, DNS:atlanticbb.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Dec 11 22:00:06.939 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E7:3C:78:05:0C:8D:59:82:60:E7:B8: 91:B0:F5:FB:AB:81:41:1F:A6:99:38:5B:18:8B:3E:F0: 59:CE:25:83:9D:02:21:00:C9:82:BD:4A:0B:AE:FC:03: 4A:65:26:D9:EB:51:CE:1B:59:CE:FD:E8:A6:FC:59:51: 59:5A:FC:5C:C8:F3:AB:68 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Dec 11 22:00:07.016 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A1:31:67:95:C4:D8:E2:F0:41:1C:FC: F7:2C:22:80:17:09:28:DE:B2:C8:9E:E2:57:11:0A:F3: B0:96:70:79:E7:02:20:1D:FA:07:A6:46:5D:DA:ED:BC: A8:6B:69:31:C0:AA:8D:20:F3:B8:3D:A6:93:8F:D4:0A: 47:FF:8A:93:96:75:D8 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Dec 11 22:00:07.194 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:BA:36:47:79:91:6F:5A:7A:D4:35:BA: 9E:A1:1A:67:DA:17:7C:93:13:2A:BB:97:D5:2D:9F:B5: FB:14:B6:07:26:02:21:00:E3:B0:CB:30:CD:C8:13:BD: EB:70:12:8B:70:73:48:97:15:78:3D:61:55:86:13:CA: 6E:3A:C0:14:3A:77:7D:F4
-----BEGIN CERTIFICATE-----
MIIG7TCCBdWgAwIBAgIQBtJ9Hh/mL6xKwdby2Ny5/zANBgkqhkiG9w0BAQsFADBZ
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMTMwMQYDVQQDEypE
aWdpQ2VydCBHbG9iYWwgRzIgVExTIFJTQSBTSEEyNTYgMjAyMCBDQTEwHhcNMjUx
MjExMDAwMDAwWhcNMjcwMTA2MjM1OTU5WjB0MQswCQYDVQQGEwJVUzEVMBMGA1UE
CBMMUGVubnN5bHZhbmlhMRIwEAYDVQQHEwlKb2huc3Rvd24xHzAdBgNVBAoTFkNv
Z2VjbyBVUyBGaW5hbmNlLCBMTEMxGTAXBgNVBAMMECouYXRsYW50aWNiYi5jb20w
ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC25DFX2nKsSagJbPqhBUEO
+Oc/4Mm0LTRs/lSR478z3D0PpKy1sUt6jyHEXlGVpy/gcYKzN7nc2sJkDPg1jSGY
nGYktsOe7Ns0fQl6Ubk9kh5k5yCMITXx1ikid+GvMHC1a58I5GNEiZiAyPJnG/1Z
xTKk6AnznsbOI0Ke464cPm1zt8hrvqGgv5Ascn2u3mFNdbvsRkyLOQZltQXlsrlj
mcwNB3URT8fYCvxQtL+ZPY/RIS1dp3jnVebSv0SokINqoeceNyJ27a+B+r1nyavI
20tt5GHMKG5XylwhRrr+nBHiUxNmxQFQFskJ5K713RRswOa4RwQOXRG5f7zI1ggN
AgMBAAGjggOUMIIDkDAfBgNVHSMEGDAWgBR0hYDAZsffN97PvSk3qgMdvu3NFzAd
BgNVHQ4EFgQU+nrrIFuPGEa5+iNF5QM5a8nrdZkwKwYDVR0RBCQwIoIQKi5hdGxh
bnRpY2JiLmNvbYIOYXRsYW50aWNiYi5jb20wPgYDVR0gBDcwNTAzBgZngQwBAgIw
KTAnBggrBgEFBQcCARYbaHR0cDovL3d3dy5kaWdpY2VydC5jb20vQ1BTMA4GA1Ud
DwEB/wQEAwIFoDATBgNVHSUEDDAKBggrBgEFBQcDATCBnwYDVR0fBIGXMIGUMEig
RqBEhkJodHRwOi8vY3JsMy5kaWdpY2VydC5jb20vRGlnaUNlcnRHbG9iYWxHMlRM
U1JTQVNIQTI1NjIwMjBDQTEtMS5jcmwwSKBGoESGQmh0dHA6Ly9jcmw0LmRpZ2lj
ZXJ0LmNvbS9EaWdpQ2VydEdsb2JhbEcyVExTUlNBU0hBMjU2MjAyMENBMS0xLmNy
bDCBhwYIKwYBBQUHAQEEezB5MCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5kaWdp
Y2VydC5jb20wUQYIKwYBBQUHMAKGRWh0dHA6Ly9jYWNlcnRzLmRpZ2ljZXJ0LmNv
bS9EaWdpQ2VydEdsb2JhbEcyVExTUlNBU0hBMjU2MjAyMENBMS0xLmNydDAMBgNV
HRMBAf8EAjAAMIIBgAYKKwYBBAHWeQIEAgSCAXAEggFsAWoAdwBMY9yY5Zwdq4j2
Hoo93q6Pq0SjN3tfm5TD+6Gc/MG+JgAAAZsPbbYbAAAEAwBIMEYCIQDnPHgFDI1Z
gmDnuJGw9furgUEfppk4WxiLPvBZziWDnQIhAMmCvUoLrvwDSmUm2etRzhtZzv3o
pvxZUVla/FzI86toAHYAHJ9oLOn68EVpUPgbloqH3dsyENhM5siy44JSSsTPWZ8A
AAGbD222aAAABAMARzBFAiEAoTFnlcTY4vBBHPz3LCKAFwko3rLInuJXEQrzsJZw
eecCIB36B6ZGXdrtvKhraTHAqo0g87g9ppOP1ApH/4qTlnXYAHcAYEyar3p/d18B
1Ab8kg3ImesLHH34yVIb+voXdzuXi8kAAAGbD223GgAABAMASDBGAiEAujZHeZFv
WnrUNbqeoRpn2hd8kxMqu5fVLZ+1+xS2ByYCIQDjsMswzcgTvetwEotwc0iXFXg9
YVWGE8puOsAUOnd99DANBgkqhkiG9w0BAQsFAAOCAQEAZrGmHXqgbSxGDz7idu5u
ZnOILS2NiaHkYshJdu0TFopGGoRs8dM20TdIpb/zzQP8+JrcVJHgwj/XS5LDUtGj
TH3EC3BkwHDbS9tmJKV1tdie4NW2HnDBFiopw0Hd6G8UfqetzbCxTgN5Ore2EI/I
5CddvzNlaZRhXxwQmeuDblZCcIEd8pmUP8Wx0p/yPJq7KDd94Q16lOMHFMv7yBOL
N0AqgMmDfahjTwFgsQCAK46kCRlOaBihIeETLUCrfqqkYGpjo2yuUHesOr7gMycO
2omFRoanK1dnDdCxtboZxZ6dYufrtj+K2LGs/Vwx4pI81Am+lO0ilA96ZQQ8v7vs
DA==
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-25T21:35:58+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1646
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----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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