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

dg.uk · 194.33.58.58:443

Verified

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

Subject
CN=www.dg.ie
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-08-21T14:22:51+00:00
Expires
2026-11-19T14:22:50+00:00
Days remaining
39
Serial (hex)
06BA8CF666198500A7C592007F557482271F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:dark-group.com, DNS:dark.co.uk, DNS:dark.net.uk, DNS:dark.uk, DNS:darkgroup.co.uk, DNS:darkgroup.net, DNS:darkgroup.uk, DNS:darkmarketing.co.uk, DNS:dg.co.uk, DNS:dg.ie, DNS:dg.uk, DNS:dgtechnology.co.uk, DNS:thedarkgroup.co.uk, DNS:www.dark-group.com, DNS:www.dark.co.uk, DNS:www.dark.net.uk, DNS:www.dark.uk, DNS:www.darkgroup.co.uk, DNS:www.darkgroup.net, DNS:www.darkgroup.uk, DNS:www.darkmarketing.co.uk, DNS:www.dg.co.uk, DNS:www.dg.ie, DNS:www.dg.uk, DNS:www.dgtechnology.co.uk, DNS:www.thedarkgroup.co.uk

SHA-256 fingerprint

68:C6:E6:9B:E7:FC:86:BE:98:F0:BB:AA:41:7A:FB:5A:42:6B:6F:DF:2F:7E:B9:7E:76:A8:E4:F2:E7:12:46:32
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
A9:BC:62:1D:2A:A8:04:36:DA:94:06:C7:4F:A8:21:2F:42:03:7D:AC
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:dark-group.com, DNS:dark.co.uk, DNS:dark.net.uk, DNS:dark.uk, DNS:darkgroup.co.uk, DNS:darkgroup.net, DNS:darkgroup.uk, DNS:darkmarketing.co.uk, DNS:dg.co.uk, DNS:dg.ie, DNS:dg.uk, DNS:dgtechnology.co.uk, DNS:thedarkgroup.co.uk, DNS:www.dark-group.com, DNS:www.dark.co.uk, DNS:www.dark.net.uk, DNS:www.dark.uk, DNS:www.darkgroup.co.uk, DNS:www.darkgroup.net, DNS:www.darkgroup.uk, DNS:www.darkmarketing.co.uk, DNS:www.dg.co.uk, DNS:www.dg.ie, DNS:www.dg.uk, DNS:www.dgtechnology.co.uk, DNS:www.thedarkgroup.co.uk
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/32.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Aug 21 15:21:21.873 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:7D:29:5D:71:AC:5D:93:8A:8D:95:9B:FE: F5:C7:8F:1B:87:60:D9:9F:52:C6:F1:CF:B0:78:F2:3A: E7:12:9F:40:02:21:00:A3:50:D0:CD:B8:01:8A:9C:A9: 71:C7:72:B8:1F:E2:32:BD:C4:79:10:E4:54:44:BD:8C: A8:EC:16:2D:77:82:E8 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1A:8B:9D:6B:0F:FE:BF:81:B4:79:39:C6:D2:31:0A:86: D6:D1:02:D4:F0:46:E2:18:2C:9D:E3:5F:5E:26:25:EF Timestamp : Aug 21 15:21:22.363 2026 GMT Extensions: 00:00:05:00:36:FA:63:CA Signature : ecdsa-with-SHA256 30:45:02:20:57:38:C1:C8:5B:5A:FC:08:25:E3:63:A7: DE:BF:94:68:02:B9:0E:39:3B:DC:90:64:1A:76:87:58: 83:1D:E0:FA:02:21:00:F2:B7:EC:81:2E:5F:81:11:E6: 2D:57:32:B7:FD:D6:CB:F1:B3:58:36:CD:A0:E5:29:3C: F8:6D:07:7E:39:33:B9
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-10T14:28:25+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
693
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2154
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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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