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

telefonica.com.br · 104.18.17.182:443

Verified
The certificate expires within 30 days.

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

Subject
C=BR ST=São Paulo O=Telefonica Brasil S A CN=vivo.com.br
Issuer
C=BR O=Valid Certificadora Digital LTDA CN=Valid Certificadora RSA OV SSL CA 2
Valid from
2026-03-24T00:00:00+00:00
Expires
2026-10-08T23:59:59+00:00
Days remaining
13
Serial (hex)
729A00A59AAB84EC26FB9820A773F4E0
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:vivo.com.br, DNS:portal-www.telefonica.com.br, DNS:telefonica.com.br, DNS:www.telefonica.com.br, DNS:www.vivo.com.br

SHA-256 fingerprint

23:E9:13:3D:5E:E3:B9:79:28:B7:EA:60:3C:1D:C7:0E:58:21:E5:69:33:A4:5F:AC:8D:40:75:46:AD:9E:7E:31
Certificate extensions & PEM
authorityKeyIdentifier
83:7F:90:15:58:03:B6:84:A9:81:4C:EC:EB:0E:1E:52:66:C2:2F:C1
subjectKeyIdentifier
ED:C2:5D:10:95:0B:23:E6:81:05:93:86:B1:CD:44:C0:85:8B:16:B9
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/ValidCertificadoraRSAOVSSLCA2.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/ValidCertificadoraRSAOVSSLCA2.crt OCSP - URI:http://ocsp.sectigo.com
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Mar 24 13:57:21.493 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:8E:F6:1C:4A:24:1F:73:F0:58:72:C7: BC:00:4C:F1:A6:E9:91:08:6C:C0:C4:26:0A:27:49:BC: 7F:D4:7F:2E:4E:02:21:00:BC:48:AB:64:41:F2:AE:44: E1:22:A6:D9:D3:46:5D:C9:0E:78:0F:85:13:19:62:B9: A4:52:79:1F:14:C5:C2:D2 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Mar 24 13:57:21.548 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:89:40:9E:FB:9A:99:DF:3E:1C:A3:C9: F0:AF:C1:94:47:37:0A:3A:05:48:53:E4:1F:41:CA:3A: 49:01:42:1F:B5:02:20:76:00:E4:71:CC:FE:56:D0:77: 29:BE:4D:5F:EB:D2:A8:3E:C0:C7:B4:AD:B0:48:1D:F4: BE:02:C5:32:71:A3:EF Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9: 1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A Timestamp : Mar 24 13:57:22.150 2026 GMT Extensions: 00:00:05:00:04:3A:CF:06 Signature : ecdsa-with-SHA256 30:44:02:20:5E:40:8E:AC:CA:6E:C4:F7:60:DE:3B:02: 52:B2:31:D8:B0:5D:D3:57:90:1E:66:4C:8F:0A:9F:C7: F6:64:71:F7:02:20:3D:C4:E9:25:35:68:D3:8B:58:53: 54:EF:9F:69:79:83:D9:B3:FC:0D:D4:8C:06:4F:2C:82: 0E:25:EC:8D:3C:3E
subjectAltName
DNS:vivo.com.br, DNS:portal-www.telefonica.com.br, DNS:telefonica.com.br, DNS:www.telefonica.com.br, DNS:www.vivo.com.br
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-25T15:03:29+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BR O=Valid Certificadora Digital LTDA CN=Valid Certificadora RSA OV SSL CA 2
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Valid from
2025-09-24T00:00:00+00:00
Expires
2035-09-23T23:59:59+00:00
Days remaining
3285
Serial (hex)
82B6F34146D17F1E936F4EF3C45AA404
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B1:90:DC:10:84:D3:41:26:E1:0D:B2:CA:28:DB:83:D1:12:62:D1:5A:12:BC:4B:72:62:A2:98:A4:B2:A1:EF:35
Certificate extensions & PEM
authorityKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
subjectKeyIdentifier
83:7F:90:15:58:03:B6:84:A9:81:4C:EC:EB:0E:1E:52:66:C2:2F:C1
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationRootR46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootR46.p7c OCSP - URI:http://ocsp.sectigo.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Valid from
2021-03-22T00:00:00+00:00
Expires
2038-01-18T23:59:59+00:00
Days remaining
4133
Serial (hex)
D27FBBC1DE359E5216AD6149586099C4
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

92:F3:51:BF:3D:54:16:4D:FA:8D:D8:F9:E1:13:9D:31:50:34:97:86:48:5D:2B:9E:EC:D0:0E:29:71:C1:E6:C5
Certificate extensions & PEM
authorityKeyIdentifier
53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB
subjectKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy
crlDistributionPoints
Full Name: URI:http://crl.usertrust.com/USERTrustRSACertificationAuthority.crl
authorityInfoAccess
OCSP - URI:http://ocsp.usertrust.com
-----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

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