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

ugc.edu.co · 154.197.34.4:443

Verified

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

Subject
C=CO L=Bogota O=Universidad La Gran Colombia CN=*.ugc.edu.co
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2025-12-09T00:00:00+00:00
Expires
2027-01-09T23:59:59+00:00
Days remaining
101
Serial (hex)
01FCAAE39B4C90EDF5BA5AD3C338F0BD
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.ugc.edu.co, DNS:ugc.edu.co

SHA-256 fingerprint

D1:0C:0B:83:BB:A8:35:F2:67:43:6D:74:31:1D:59:EB:97:BE:49:31:92:EE:A8:50:35:80:7C:34:56:DC:A6:9F
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
92:23:95:96:94:4D:0A:31:8C:47:72:68:33:9B:B7:65:48:2E:E9:D6
subjectAltName
DNS:*.ugc.edu.co, DNS:ugc.edu.co
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 : 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 : Dec 9 20:50:07.366 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:B2:3F:62:5E:8B:7E:3A:0A:76:1C:CA: 32:6B:F6:8E:9E:5F:59:DE:C8:D1:55:7B:6C:BC:FF:EC: 75:50:E2:C3:B1:02:20:62:6D:93:48:EC:F6:8C:71:3D: 49:4E:42:69:C6:5C:4A:46:1F:46:89:4B:CE:DD:34:70: 5D:B8:5E:2D:28:66:49 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 : Dec 9 20:50:07.375 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:BD:19:AD:77:60:75:25:A5:89:98:6C: 92:B9:0F:D7:FE:74:04:A0:36:B4:B9:E6:C9:92:D7:A1: 36:48:67:87:2D:02:20:0E:E5:3D:72:23:39:24:5B:F4: 05:02:9D:B2:B9:E6:AB:2B:FE:30:36:46:47:A3:3A:ED: 3E:35:1E:62:C3:EA:4C 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 : Dec 9 20:50:07.532 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:24:54:3A:91:A5:C8:5D:C6:3B:89:06:AB: E7:22:26:12:43:A5:47:1C:4B:E5:C9:0B:EF:67:9A:7B: 0E:AA:83:C4:02:21:00:DE:AE:E1:67:70:7A:BF:C7:FE: 6A:AB:BC:2F:F8:A1:1C:E9:6C:A3:79:96:9C:DD:11:D9: B6:EE:CB:7B:16:E3:44
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-30T01:22:36+00:00

Server-presented chain · 2 additional certificates

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
398
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-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4125
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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 →