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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

chesstelecom.com · 20.90.134.26:443

Verified

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

Subject
CN=chesstelecom.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2026-10-03T00:00:00+00:00
Expires
2027-04-03T23:59:59+00:00
Days remaining
177
Serial (hex)
0298D6D1028B451B23FE7D890ED6F125
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:chesstelecom.com

SHA-256 fingerprint

8A:46:CB:88:3D:CE:D3:5D:42:50:E1:D5:93:E7:34:5D:63:53:A4:A2:59:63:6A:85:C4:E2:30:15:DA:DA:0C:A8
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
00:10:53:90:36:1B:31:9E:65:0D:29:88:BF:16:40:6A:04:05:59:C4
subjectAltName
DNS:chesstelecom.com
certificatePolicies
Policy: 2.23.140.1.2.1 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 : Oct 3 20:01:55.051 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:49:7A:94:9E:16:04:F7:B5:CC:45:08:C5: 37:1D:0E:55:85:AB:39:55:A8:8E:F3:F5:0A:0E:9A:3D: 81:44:DD:D4:02:21:00:A1:17:FC:2B:74:E0:CF:37:A5: C8:0D:B8:86:25:5B:DA:EB:3E:36:E2:2D:28:41:1D:34: B8:B1:47:53:88:68:6A Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Oct 3 20:01:55.052 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:AD:6E:18:F4:07:59:50:59:85:0E:71: 79:05:79:34:0A:5A:24:B2:A0:23:2F:90:D9:5E:94:8C: 67:FF:50:A9:98:02:20:30:B9:21:8F:AF:06:30:F3:EB: C1:BD:36:F7:FF:4E:13:21:8E:1F:5F:DE:F0:85:61:CA: 42:66:03:FF:38:20:F4 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 : Oct 3 20:01:55.239 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E9:E5:F5:63:89:83:47:FA:CA:26:6B: E1:5A:DB:AA:A0:8B:A7:89:94:E0:05:2A:2F:85:CC:2A: 3B:30:C1:16:1E:02:20:0A:F8:22:73:ED:70:56:92:EC: A9:9B:74:28:4A:CA:A5:3F:70:F2:B9:11:CF:5B:E6:F4: B1:E9:65:40:41:3A:7B
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-08T23:42:09+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
389
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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