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

nbstelecom.com.br · 131.72.152.51:443

Verified

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

Subject
CN=*.nbstelecom.com.br
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2025-12-31T00:00:00+00:00
Expires
2027-01-31T23:59:59+00:00
Days remaining
112
Serial (hex)
096650ACEDBD83F67B267C5BAED0940B
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.nbstelecom.com.br, DNS:nbstelecom.com.br

SHA-256 fingerprint

59:99:AB:A7:8A:80:0A:59:B4:A1:9C:8B:73:BE:F0:9A:18:2B:C3:AA:F1:5B:30:8B:6C:96:20:22:9B:41:AF:A6
Certificate extensions & PEM
authorityKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
66:FA:D2:1D:BC:52:2D:01:F4:DC:16:54:49:8D:BD:B9:DF:98:E7:6F
subjectAltName
DNS:*.nbstelecom.com.br, DNS:nbstelecom.com.br
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.thawte.com/ThawteTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.thawte.com CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.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 31 15:32:03.000 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:01:D6:8D:CB:83:BC:40:D8:26:68:1C:F6: 0F:C6:23:C0:DE:6B:53:7D:0A:21:AD:BE:F3:45:B1:90: 71:DE:42:06:02:21:00:F9:79:FE:64:DE:A0:1C:33:91: 79:F3:30:7E:3F:1B:B9:F6:A3:0E:72:81:AA:C4:94:56: DC:EF:33:15:5A:EF:27 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 31 15:32:03.039 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:43:2F:4B:B5:C0:00:BA:34:94:9F:DF:13: BF:D4:8E:68:5D:B8:13:07:59:95:19:96:D9:BD:51:19: 04:01:B0:7F:02:20:78:5C:9D:01:06:BE:AE:D8:42:41: F9:FD:BC:BC:3F:C4:4F:55:C8:9E:FA:79:45:A2:13:5C: 9A:E9:CC:39:89:C7 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 31 15:32:03.219 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5E:D0:92:47:49:5E:D7:5C:5C:30:C1:78: AD:7C:63:11:9B:81:EB:41:3A:C9:65:36:BC:34:5B:DF: AA:CF:4C:57:02:20:09:3D:A7:B9:0C:23:2F:87:44:F1: EA:D6:69:F5:75:91:D1:F1:91:02:E8:08:11:02:5C:53: DA:4F:01:0A:31:89
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-11T22:50:31+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:25+00:00
Expires
2027-11-02T12:24:25+00:00
Days remaining
386
Serial (hex)
090EE8C5DE5BFA62D2AE2FF7097C4857
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4B:CC:5E:23:4F:E8:1E:DE:4E:AF:88:3A:A1:9C:31:33:5B:0B:26:E8:5E:06:6B:99:45:E4:CB:61:53:EB:20:C2
Certificate extensions & PEM
subjectKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
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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