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

execulinktelecom.ca · 199.166.6.12:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `execulinktelecom.ca'

Certificate verification failed

Subject
C=CA ST=Ontario L=Woodstock O=Execulink Telecom CN=*.execulink.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2025-11-12T00:00:00+00:00
Expires
2026-12-13T23:59:59+00:00
Days remaining
65
Serial (hex)
02A51BF3F3DA7ABCB319BF41BD0C9880
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.execulink.com, DNS:execulink.com

SHA-256 fingerprint

77:C6:C8:9C:C5:9E:13:9C:96:1B:F8:9A:CC:BF:F0:14:05:E8:FF:93:3D:99:5F:8E:60:4E:EB:D7:3D:C4:E8:65
Certificate extensions & PEM
authorityKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
57:2F:C8:67:09:8C:A3:C2:E1:15:BB:61:0A:70:71:87:2E:B9:72:29
subjectAltName
DNS:*.execulink.com, DNS:execulink.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.geotrust.com CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Nov 12 05:03:19.077 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:9E:37:03:80:43:3A:57:94:83:94:A4: CC:EB:96:47:D9:AD:81:EB:6D:48:B5:A1:B9:27:55:6E: CE:D7:87:E1:ED:02:21:00:81:F7:14:58:EE:1E:F5:96: FB:10:69:67:6A:10:A4:5A:9C:1B:B6:E1:E1:F0:C0:F6: 43:C8:74:F3:AC:43:B8:05 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Nov 12 05:03:19.071 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D1:43:5B:4D:E4:87:21:D5:A6:85:C8: F8:04:86:8C:70:8A:BE:9C:BC:FE:55:93:61:1F:FE:37: 85:3F:29:EE:63:02:21:00:E0:9D:E0:02:9E:42:92:08: B7:73:33:80:7B:DB:9A:08:B2:54:C0:31:75:DE:AA:F4: 41:FA:1E:11:B7:95:9E:55 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Nov 12 05:03:19.089 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:97:05:B2:0C:AC:18:35:ED:B7:79:8D: 44:9C:21:85:1C:CA:73:77:EB:3A:B6:04:15:82:C7:2D: 72:04:D4:C9:5B:02:20:78:7F:B1:C2:50:AC:14:9F:63: EB:BB:B1:FE:E6:1F:D8:4C:0B:5C:72:86:2D:3C:E9:19: AD:47:4B:63:57:51:6A
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-09T14:25:05+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:23:37+00:00
Expires
2027-11-02T12:23:37+00:00
Days remaining
388
Serial (hex)
0D07782A133FC6F9A57296E131FFD179
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C0:6E:30:7F:7C:FC:1D:32:FA:72:A4:C0:33:C8:7B:90:01:9A:F2:16:F0:77:5D:64:97:8A:2E:CA:6C:8A:23:0E
Certificate extensions & PEM
subjectKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
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
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----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.

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