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

dan.network · 192.146.137.20:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`www.dan.me.uk' did not match expected CN=`dan.network'

Certificate verification failed

Subject
CN=www.dan.me.uk
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV E36
Valid from
2026-02-17T00:00:00+00:00
Expires
2027-02-22T23:59:59+00:00
Days remaining
152
Serial (hex)
E88375938495D405F0E48E2454916C83
Signature
ecdsa-with-SHA256
Public key
EC 384 secp384r1

Subject alternative names (SAN)

DNS:www.dan.me.uk, DNS:dan.me.uk

SHA-256 fingerprint

3A:32:B2:5A:92:61:68:95:FD:AF:9B:D7:1A:BA:D1:F9:D0:B4:21:A1:8F:42:C5:08:71:FF:EA:3D:1C:16:25:EC
Certificate extensions & PEM
authorityKeyIdentifier
17:99:A8:04:C1:6F:E4:2D:70:A8:0A:10:3D:03:D3:E9:1A:B8:26:63
subjectKeyIdentifier
D5:83:EA:D4:7D:73:ED:59:D0:40:9D:52:E2:B7:34:5A:50:8A:5D:94
keyUsage
Digital Signature
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://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVE36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:www.dan.me.uk, DNS:dan.me.uk
ct_precert_scts
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 : Feb 17 16:37:53.726 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:31:66:ED:B3:26:8A:5C:E6:93:4F:32:C5: A9:85:C8:85:21:42:96:B6:96:3B:46:07:5F:2D:85:24: C0:C6:73:B6:02:20:43:AB:47:94:BD:9B:3C:68:B0:E8: 4B:55:D7:73:7E:9C:57:B7:CA:65:27:D6:41:1B:68:C2: C8:71:F5:EF:84:4D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Feb 17 16:37:53.773 2026 GMT Extensions: 00:00:05:00:02:D1:EB:96 Signature : ecdsa-with-SHA256 30:45:02:21:00:F2:84:18:68:8A:8E:69:64:54:56:34: EA:94:F3:38:27:3A:9F:41:F3:93:A8:17:8F:0D:7A:42: B4:F0:27:BA:A7:02:20:49:D0:7C:89:A8:F5:6D:6F:A1: B8:1D:E6:C5:3F:73:FF:F1:16:BD:53:AF:52:89:8C:14: D3:42:33:36:46:31:07 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Feb 17 16:37:53.834 2026 GMT Extensions: 00:00:05:00:00:29:0B:AD Signature : ecdsa-with-SHA256 30:45:02:21:00:80:05:74:F3:D2:0B:26:E3:BA:30:F5: 68:08:C6:86:08:75:AA:35:7C:AD:00:51:F2:12:D1:C9: 3F:53:AC:68:16:02:20:2B:0D:31:4B:AB:52:EC:E1:5B: 02:EB:44:FA:68:BA:1D:40:9A:88:31:4E:03:74:D9:2B: 32:82:3E:D6:41:28:B0
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-23T03:29:30+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV E36
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root E46
Valid from
2021-03-22T00:00:00+00:00
Expires
2036-03-21T23:59:59+00:00
Days remaining
3467
Serial (hex)
36E059ED888DD57AEDD570B6727F9BDA
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

87:3F:0B:A8:0E:3A:C2:22:65:6D:FD:04:15:8C:C1:5C:29:27:D4:2D:5D:05:F0:1D:EE:4A:47:EB:43:A9:16:DF
Certificate extensions & PEM
authorityKeyIdentifier
D1:22:DA:4C:59:F1:4B:5F:26:38:AA:9D:D6:EE:EB:0D:C3:FB:A9:61
subjectKeyIdentifier
17:99:A8:04:C1:6F:E4:2D:70:A8:0A:10:3D:03:D3:E9:1A:B8:26:63
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.sectigo.com/SectigoPublicServerAuthenticationRootE46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootE46.p7c OCSP - URI:http://ocsp.sectigo.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root E46
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust ECC Certification Authority
Valid from
2021-03-22T00:00:00+00:00
Expires
2038-01-18T23:59:59+00:00
Days remaining
4135
Serial (hex)
1A9EAFEC6DE8E19B5C193141B68D90DD
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

EA:6B:89:ED:69:07:A2:09:FF:91:88:67:6F:B1:64:E7:AC:ED:89:4B:89:96:DF:BE:5C:E5:BB:CC:22:DE:4D:DD
Certificate extensions & PEM
authorityKeyIdentifier
3A:E1:09:86:D4:CF:19:C2:96:76:74:49:76:DC:E0:35:C6:63:63:9A
subjectKeyIdentifier
D1:22:DA:4C:59:F1:4B:5F:26:38:AA:9D:D6:EE:EB:0D:C3:FB:A9:61
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy
crlDistributionPoints
Full Name: URI:http://crl.usertrust.com/USERTrustECCCertificationAuthority.crl
authorityInfoAccess
OCSP - URI:http://ocsp.usertrust.com
-----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 →