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

gov.wales · 18.134.183.188:443

Verified

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

Subject
C=GB L=Cardiff O=Welsh Government CN=www.gov.wales
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-09-15T00:00:00+00:00
Expires
2027-04-01T23:59:59+00:00
Days remaining
149
Serial (hex)
03D4697896B422C3A20504F5995CA03A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.gov.wales, DNS:gov.wales, DNS:www.llyw.cymru, DNS:llyw.cymru

SHA-256 fingerprint

8D:37:7E:8B:A0:F6:16:75:CC:AA:99:A5:67:04:CC:94:BD:D5:3A:1C:EE:5B:7F:3C:10:10:FF:4C:CD:C9:FF:22
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
7C:52:25:58:37:0E:3D:CE:FF:3D:86:EB:4D:08:64:2C:6C:C2:16:57
subjectAltName
DNS:www.gov.wales, DNS:gov.wales, DNS:www.llyw.cymru, DNS:llyw.cymru
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 : Sep 15 14:20:08.501 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:31:1C:95:0C:91:EC:51:11:A4:9F:DF:A5: 1A:11:D4:0D:86:94:9F:7F:E1:C9:86:C9:EA:B7:2F:80: 73:E3:3E:80:02:21:00:B4:74:F2:13:BF:D2:E5:38:06: 59:2B:90:A9:CB:F7:CB:F0:22:56:A5:08:93:05:2C:25: CD:A7:00:D4:59:D7:DD 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 15 14:20:08.505 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:57:E8:5F:C6:7E:17:BB:58:AF:6A:D7:B6: 3E:80:15:61:14:5B:02:E6:FC:91:DC:25:52:CC:F6:B1: D4:4B:FC:01:02:21:00:BD:D1:71:32:DE:5B:24:82:91: BF:1A:FA:09:60:BC:1B:89:F3:7A:8A:09:BC:69:4B:79: 3D:7B:B0:DE:C8:39:2F 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 15 14:20:08.534 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:2F:B5:DB:1A:81:37:10:3C:AC:AB:CC:24: B0:97:55:A4:15:9C:53:D3:99:AB:A6:26:32:4D:01:B5: C0:D9:7D:D3:02:21:00:AA:13:9B:95:16:FF:68:DB:8A: 75:13:BF:3F:1B:45:C1:BF:DF:B5:CA:62:71:28:1E:E6: A9:C4:A7:3D:9E:49:7D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-03T23:13:10+00:00

Server-presented chain · 2 additional certificates

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
1607
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-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4090
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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

Registration / WHOIS →DNS records →