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THE CERTIFICATE BEHIND THE CONNECTION

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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

tesatelecom.com · 20.81.86.237:443

Verified

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

Subject
CN=tesatelecom.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2026-08-11T00:00:00+00:00
Expires
2027-02-11T23:59:59+00:00
Days remaining
143
Serial (hex)
0A4CE948B5FD40C5B6435A376771163F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:tesatelecom.com

SHA-256 fingerprint

A8:AB:F4:3C:E6:6A:9F:AF:CC:E9:EA:B8:FB:2A:FA:DA:3B:05:2B:33:3A:B3:AD:A8:FD:D5:C0:B2:27:DD:5A:99
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
A5:17:E8:A3:B5:F5:E0:67:4E:9B:97:4C:E0:DF:C0:0F:2F:9B:BD:D1
subjectAltName
DNS:tesatelecom.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 : Aug 11 20:03:49.419 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:36:8D:9F:18:EC:29:9A:DE:BD:19:2A:B3: 1E:86:CF:7C:33:5C:9E:37:20:C2:B0:56:BF:D1:39:53: 67:14:FA:6B:02:21:00:FD:6F:F5:C2:37:6A:C1:08:E9: D0:A6:AF:A4:36:22:87:8D:C2:5B:5E:12:FB:57:DB:15: F7:B6:84:E7:93:53:33 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 : Aug 11 20:03:49.419 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:2D:FC:97:D2:73:3B:11:78:94:72:D7:EF: FA:94:11:F5:62:47:82:42:FF:0A:1A:7A:6E:BD:EC:BE: 32:76:69:A9:02:21:00:A0:88:81:DD:70:04:3A:3C:10: 5B:1F:B9:B2:00:4C:C7:67:D9:3D:CC:D8:F6:16:D9:AB: 8A:41:FC:F4:B5:98:BB Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Aug 11 20:03:49.482 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:BD:5F:F2:FA:CF:96:0C:36:54:05:58: D6:F1:3F:9B:8E:8D:21:04:BE:C5:7C:27:1C:93:0E:06: 0D:C3:0E:87:78:02:20:46:57:32:37:44:BB:CE:38:64: 86:F8:14:34:14:D0:FF:85:11:8F:34:66:52:19:16:3A: A1:94:90:91:66:4F:0A
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-21T07:51:42+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
407
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
4134
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.

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