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

highlandsfibernetwork.com · 64.38.131.60:443

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=*.highlandsfibernetwork.com
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 AlphaSSL CA 2025
Valid from
2026-08-05T17:38:18+00:00
Expires
2027-02-20T17:38:18+00:00
Days remaining
132
Serial (hex)
5D2BAD65598B1EDAE91BA346
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.highlandsfibernetwork.com, DNS:highlandsfibernetwork.com

SHA-256 fingerprint

FA:87:F5:F1:9B:24:33:AA:F9:66:FF:82:21:3E:01:AF:F1:45:5D:8C:D3:9F:73:BA:9A:C8:25:66:28:5F:FF:75
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr46alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr46alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr46alphasslca2025.crl
subjectAltName
DNS:*.highlandsfibernetwork.com, DNS:highlandsfibernetwork.com
authorityKeyIdentifier
A3:4C:AC:B1:BF:B4:88:ED:8B:74:D8:5F:34:38:C9:E9:0A:25:9E:7B
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
22:3C:5F:47:0C:39:DE:71:C9:56:61:4F:9E:EA:49:E0:DE:EB:9E:CF
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 : Aug 5 17:38:21.843 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C1:DF:FF:12:6E:29:3F:FB:BF:8B:8C: A7:99:DD:4E:C7:90:30:08:80:24:9A:AF:1E:29:07:71: 08:B3:52:DC:AD:02:20:7D:B5:53:90:88:17:5E:D4:74: C9:22:7F:88:9E:79:B7:9B:9F:91:10:10:CF:28:35:4F: 2F:25:53:FA:3E:56:3B 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 : Aug 5 17:38:21.243 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:8D:E9:60:79:74:81:A6:EF:E4:81:E0: 1A:63:6D:C5:FF:96:44:F6:F2:ED:EF:49:11:4F:FA:B4: AE:AB:AB:63:FD:02:20:5A:5A:7E:63:FF:1F:7B:4A:31: FD:0C:70:30:82:0D:B8:13:14:99:ED:E6:EB:FD:B3:43: 8E:2D:21:26:25:AA:90 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 : Aug 5 17:38:21.169 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:70:82:19:7B:5E:CA:0A:13:43:D6:60:F0: 86:4E:C4:92:11:BF:7C:DA:A1:87:D4:9B:38:E0:78:E7: B7:65:A2:5E:02:20:44:A8:A2:D2:44:B3:68:A1:53:7E: D0:14:43:AC:23:78:37:74:4C:C3:9C:F4:81:D0:A3:B4: CD:51:72:A1:42:65
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-11T04:12:12+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Issuer
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Valid from
2025-05-21T02:36:52+00:00
Expires
2027-05-21T00:00:00+00:00
Days remaining
221
Serial (hex)
837D4EB89E912FE72CAD3BC7692DDC20
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A8:83:55:92:31:F8:38:8D:AF:35:CE:41:C8:10:10:40:AE:8F:D9:B6:56:43:42:47:B9:47:5A:F5:92:CC:08:CA
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
authorityKeyIdentifier
AE:6C:05:A3:93:13:E2:A2:E7:E2:D7:1C:D6:C7:F0:7F:C8:67:53:A0
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr6 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r6.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r6.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----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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