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

tag-domains.com · 89.28.217.122:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
CN=tag-domains.com
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-03-02T00:00:00+00:00
Expires
2027-01-07T23:59:59+00:00
Days remaining
62
Serial (hex)
88D560C5F92A431B6BB37F98FE2E508C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:tag-domains.com, DNS:www.tag-domains.com

SHA-256 fingerprint

9E:74:31:C2:81:47:53:3C:91:BC:0B:63:D8:FC:9A:A8:03:0D:4E:41:6B:5B:7B:4B:1F:04:86:39:BD:2A:6A:39
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
A4:8B:2F:F2:4B:10:DE:C7:BE:67:92:BE:AC:65:0B:11:4D:BB:C9:49
keyUsage
Digital Signature, Key Encipherment
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/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:tag-domains.com, DNS:www.tag-domains.com
ct_precert_scts
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 : Mar 2 09:41:32.797 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E8:EC:35:BD:37:6E:39:18:23:CE:72: 7F:01:B6:79:5D:8A:10:41:F8:54:F6:45:9D:52:4E:4B: 41:85:2D:89:FA:02:20:19:D7:5A:F5:2C:E1:A8:1F:2E: 48:92:15:4C:E0:E2:54:B3:05:3C:BD:AD:0B:50:ED:E0: 01:D0:C6:C3:C0:5F:C2 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 : Mar 2 09:41:32.773 2026 GMT Extensions: 00:00:05:00:02:FF:35:DB Signature : ecdsa-with-SHA256 30:44:02:20:2B:BF:96:1E:A2:3C:25:7A:17:A2:01:55: D0:46:56:FC:AD:25:F6:75:DF:EE:E0:E2:F6:8B:F3:44: 1E:6F:88:2D:02:20:1A:E3:BD:2B:71:74:84:66:10:A6: D4:9F:BC:23:AD:B7:0F:B1:82:9F:BB:B9:3B:6A:59:68: 8F:9E:06:78:31:8A 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 : Mar 2 09:41:32.634 2026 GMT Extensions: 00:00:05:00:00:30:27:31 Signature : ecdsa-with-SHA256 30:44:02:20:7F:CD:9C:0E:2D:20:65:BC:02:81:16:32: 8C:73:AF:1D:18:76:39:6A:37:CD:5F:0C:1B:8D:35:1F: 6A:BA:37:34:02:20:74:1B:39:3D:65:A3:22:87:83:70: 3F:FB:C4:3D:16:7D:FE:14:E7:7D:C1:15:B8:C7:12:B6: 86:7E:23:D4:B8:9D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-11-06T15:29:41+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=SSL Corporation CN=SSL.com TLS Issuing RSA CA R1
Issuer
C=US O=SSL Corporation CN=SSL.com TLS RSA Root CA 2022
Valid from
2022-10-21T17:02:03+00:00
Expires
2032-10-18T17:02:02+00:00
Days remaining
2173
Serial (hex)
26B9FFE4596FA61E1AF21C63D672748A
Signature
RSA-SHA256
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

BF:BC:39:E9:FA:2B:84:C9:A9:23:37:E2:34:4E:E2:38:1D:8D:3D:3A:E8:EA:75:EF:4E:48:E5:80:7E:D8:0C:69
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
authorityKeyIdentifier
FB:2E:37:EE:E3:84:7A:27:2E:CD:19:35:B1:33:7C:FF:D4:44:42:B9
authorityInfoAccess
CA Issuers - URI:http://cert.ssl.com/SSLcom-TLS-Root-2022-RSA.cer
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.ssl.com/repository
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crls.ssl.com/SSLcom-TLS-Root-2022-RSA.crl
subjectKeyIdentifier
79:BA:94:77:A0:0D:19:DD:34:E6:39:A4:FC:4C:A5:D2:5A:6D:F5:8C
keyUsage
Digital Signature, Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=SSL Corporation CN=SSL.com TLS RSA Root CA 2022
Issuer
C=US O=SecureTrust Corporation CN=SecureTrust CA
Valid from
2025-12-17T11:22:57+00:00
Expires
2029-12-30T17:22:57+00:00
Days remaining
1150
Serial (hex)
07EB4274FC1D305BE94C9883277F8467E2144F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

1B:1D:E0:69:90:CD:0B:30:5E:2E:12:48:06:10:3B:1A:DC:FF:C4:99:F2:12:50:4D:C7:7F:48:DD:0A:D6:22:09
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectKeyIdentifier
FB:2E:37:EE:E3:84:7A:27:2E:CD:19:35:B1:33:7C:FF:D4:44:42:B9
authorityKeyIdentifier
42:32:B6:16:FA:04:FD:FE:5D:4B:7A:C3:FD:F7:4C:40:1D:5A:43:AF
certificatePolicies
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 Policy: 1.3.6.1.4.1.38064.1.3.1.1 Policy: 1.3.6.1.4.1.38064.1.3.1.2 Policy: 1.3.6.1.4.1.38064.1.3.1.3 Policy: 1.3.6.1.4.1.38064.1.3.1.4 Policy: 1.3.6.1.4.1.38064.1.3.1.5 Policy: 1.3.6.1.4.1.38064.1.3.1.6
crlDistributionPoints
Full Name: URI:http://crl.sslsecuretrust.com/STCA.crl
authorityInfoAccess
OCSP - URI:http://ocsp.sslsecuretrust.com/ CA Issuers - URI:http://certs.sslsecuretrust.com/issuers/STCA.crt
-----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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