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

cityfibre.com · 35.71.138.90:443

Verified

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

Subject
CN=cityfibre.com
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M01
Valid from
2026-09-23T00:00:00+00:00
Expires
2027-04-08T23:59:59+00:00
Days remaining
162
Serial (hex)
0C0BC22A577505AFF755A53355DF215E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:cityfibre.com, DNS:myuserportal.co.uk, DNS:*.staging.cityfibre.com, DNS:*.dev.cityfibre.com, DNS:*.enta.net, DNS:*.myuserportal.co.uk, DNS:enta.net, DNS:enta.cloud, DNS:*.enta.cloud, DNS:*.cityfibre.com

SHA-256 fingerprint

78:72:F1:E2:0A:F9:72:8F:A2:38:55:6B:E0:00:29:5B:A4:58:1D:F9:59:BE:12:F7:AD:1C:85:8C:54:1A:DA:56
Certificate extensions & PEM
authorityKeyIdentifier
81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85
subjectKeyIdentifier
0B:48:2F:24:15:00:18:71:4F:A9:4E:6B:44:AB:2D:DD:E6:F9:E5:60
subjectAltName
DNS:cityfibre.com, DNS:myuserportal.co.uk, DNS:*.staging.cityfibre.com, DNS:*.dev.cityfibre.com, DNS:*.enta.net, DNS:*.myuserportal.co.uk, DNS:enta.net, DNS:enta.cloud, DNS:*.enta.cloud, DNS:*.cityfibre.com
certificatePolicies
Policy: 2.23.140.1.2.1
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.r2m01.amazontrust.com/r2m01.crl
authorityInfoAccess
OCSP - URI:http://ocsp.r2m01.amazontrust.com CA Issuers - URI:http://crt.r2m01.amazontrust.com/r2m01.cer
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 : Sep 23 00:11:21.563 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:89:41:C4:82:32:5F:17:35:1A:BE:FC: FF:69:74:6A:5B:9C:46:AB:8C:16:9B:72:73:52:FF:4E: 83:33:9A:47:10:02:20:00:FD:90:FE:B9:70:DB:6E:E7: 8A:A1:7F:BB:CA:B0:3D:47:14:8B:9B:32:7F:87:20:1B: 13:18:7E:76:34:5E:D6 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Sep 23 00:11:21.481 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FE:F4:3F:69:F1:60:57:5E:12:82:D5: AB:EF:89:98:FC:9F:F6:95:32:3E:FE:FB:90:A5:C1:AF: 1E:99:B8:4F:9B:02:20:4B:3D:A9:BE:25:CF:E6:84:3E: 01:B7:51:82:22:52:15:D9:10:60:0F:09:DA:AA:CF:39: B0:DC:44:42:FB:B1:A5 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Sep 23 00:11:21.536 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:03:94:87:CD:D6:B4:FF:9F:CD:A2:D3:FE: 18:63:81:DA:F5:C4:1C:2F:03:89:DC:12:73:1B:3F:B2: ED:01:B2:AF:02:21:00:B2:A2:7F:F5:E3:9F:AB:1A:F0: 6B:42:05:7D:F3:6F:31:E5:5F:80:24:B6:70:28:5B:E5: E0:08:F4:1F:D7:19:35
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-28T16:22:43+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Amazon CN=Amazon RSA 2048 M01
Issuer
C=US O=Amazon CN=Amazon Root CA 1
Valid from
2022-08-23T22:21:28+00:00
Expires
2030-08-23T22:21:28+00:00
Days remaining
1395
Serial (hex)
077312380B9D6688A33B1ED9BF9CCDA68E0E0F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

53:38:EB:EC:8F:B2:AC:60:99:61:26:D3:E7:6A:A3:4F:D0:F3:31:8A:C7:8E:BB:7A:C8:F6:F1:36:1F:48:4B:33
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectKeyIdentifier
81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85
authorityKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityInfoAccess
OCSP - URI:http://ocsp.rootca1.amazontrust.com CA Issuers - URI:http://crt.rootca1.amazontrust.com/rootca1.cer
crlDistributionPoints
Full Name: URI:http://crl.rootca1.amazontrust.com/rootca1.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Amazon CN=Amazon Root CA 1
Issuer
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. CN=Starfield Services Root Certificate Authority - G2
Valid from
2015-05-25T12:00:00+00:00
Expires
2037-12-31T01:00:00+00:00
Days remaining
4081
Serial (hex)
067F944A2A27CDF3FAC2AE2B01F908EEB9C4C6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

87:DC:D4:DC:74:64:0A:32:2C:D2:05:55:25:06:D1:BE:64:F1:25:96:25:80:96:54:49:86:B4:85:0B:C7:27:06
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityKeyIdentifier
9C:5F:00:DF:AA:01:D7:30:2B:38:88:A2:B8:6D:4A:9C:F2:11:91:83
authorityInfoAccess
OCSP - URI:http://ocsp.rootg2.amazontrust.com CA Issuers - URI:http://crt.rootg2.amazontrust.com/rootg2.cer
crlDistributionPoints
Full Name: URI:http://crl.rootg2.amazontrust.com/rootg2.crl
certificatePolicies
Policy: X509v3 Any Policy
-----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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