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

mobtelecom.com.br · 201.139.186.217:443

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
The certificate has expired.

Certificate verification failed

Subject
CN=*.mobtelecom.com.br
Issuer
C=GB ST=Greater Manchester L=Salford O=Sectigo Limited CN=Sectigo RSA Domain Validation Secure Server CA
Valid from
2024-03-27T00:00:00+00:00
Expires
2025-04-10T23:59:59+00:00
Days remaining
-536
Serial (hex)
93DE92C937B417C0ABAD0874074234F9
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.mobtelecom.com.br, DNS:mobtelecom.com.br

SHA-256 fingerprint

F4:E5:01:DE:1D:45:70:92:AC:FE:57:D3:87:D2:B1:6F:8F:7A:0B:47:E4:B6:BA:EA:09:00:6F:E0:2C:4E:8A:2B
Certificate extensions & PEM
authorityKeyIdentifier
8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
subjectKeyIdentifier
6D:2D:76:61:68:08:A0:55:AD:D7:0F:C2:E8:B0:2E:F0:77:C5:41:4A
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.mobtelecom.com.br, DNS:mobtelecom.com.br
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9: 1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08 Timestamp : Mar 27 13:15:06.064 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:11:ED:F2:ED:C1:4A:5F:63:50:A1:FF:06: 35:7A:45:25:5C:6D:70:F5:45:D9:93:1F:A9:71:C5:C8: 6A:5D:06:C8:02:20:79:E0:22:56:E7:1D:D1:AE:37:35: E0:35:33:BE:51:5C:69:5E:EB:3A:82:96:9D:89:3D:7F: 3B:36:2F:FF:E2:E9 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53: D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7 Timestamp : Mar 27 13:15:05.934 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:19:CB:7E:3D:2B:D2:BB:12:60:33:59:24: 25:75:F9:80:16:7E:7B:B7:15:69:69:9D:E7:95:40:56: 21:B9:79:C1:02:21:00:AB:EB:1B:B2:75:89:7C:14:2D: 2A:17:84:9D:09:60:6C:A7:33:04:33:96:84:F2:B1:1B: BB:0A:69:4C:FC:C6:2E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB: 1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF Timestamp : Mar 27 13:15:05.934 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:30:E2:B0:E4:FD:AD:DA:69:68:16:2F:09: BE:40:51:86:CD:54:40:60:2E:E3:E2:7E:83:E3:6C:0A: 04:22:EB:50:02:21:00:C0:E2:5A:68:83:D3:CD:AD:FC: C9:A5:C8:E5:B0:5A:87:C1:7B:40:CA:1D:94:D6:7B:2B: CD:8B:97:B0:E3:B7:B5
-----BEGIN CERTIFICATE-----
MIIGQjCCBSqgAwIBAgIRAJPeksk3tBfAq60IdAdCNPkwDQYJKoZIhvcNAQELBQAw
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OjA7xDKsN454694tFjVeKGvso5UcgQ==
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-28T20:41:53+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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