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

ageratelecom.com.br · 31.220.94.236:443

Verified

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

Subject
C=BR ST=São Paulo L=Sao Paulo O=AGERA TELECOMUNICACOES SA CN=*.ageratelecom.com.br
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2026-09-01T00:00:00+00:00
Expires
2027-03-10T23:59:59+00:00
Days remaining
153
Serial (hex)
06E6AB79FD80365D50C02979BF998309
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.ageratelecom.com.br, DNS:ageratelecom.com.br

SHA-256 fingerprint

11:DF:D9:9E:E3:DB:BD:F5:8D:7D:0C:23:5B:FF:8C:C1:8D:0F:65:F0:CC:C3:7A:1B:88:8B:BB:58:1C:77:D7:46
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
EF:D1:48:13:E2:73:B5:BD:A3:62:F1:A3:2A:88:DA:1E:A8:7F:BD:A4
subjectAltName
DNS:*.ageratelecom.com.br, DNS:ageratelecom.com.br
certificatePolicies
Policy: 2.23.140.1.2.2 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 : Sep 1 17:30:39.183 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:45:3E:8F:8E:D3:1A:55:3A:EA:50:14:8A: F5:DA:5B:04:62:D9:56:87:59:2B:F0:AC:D7:D0:0E:C5: 88:67:76:04:02:21:00:C8:89:EC:FA:7E:1E:D7:C1:49: 96:DB:31:0C:13:D8:CA:5D:E6:9A:B9:73:08:70:C5:A6: 4D:37:54:24:C6:88:E8 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 : Sep 1 17:30:39.162 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A2:FF:1A:89:7E:85:CF:D9:AD:84:89: 9D:2F:B8:50:20:E1:0A:F0:E4:6F:74:4B:24:14:36:C3: 7A:7E:C2:AF:8E:02:21:00:F4:A0:49:00:BC:06:49:5A: 17:CD:B0:91:B7:10:00:E2:6E:A8:DA:AA:60:D5:43:2C: 86:94:AA:AD:8E:ED:D7:A1 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 : Sep 1 17:30:39.212 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E7:6A:82:96:ED:9D:91:B1:F2:AA:C8: 72:94:94:0F:17:F2:F0:5D:DE:4C:2F:1D:F3:01:91:13: 4C:6F:5D:E6:0B:02:21:00:D2:A8:A6:44:07:A5:E4:E3: E5:0B:AF:FE:15:81:D5:4F:74:D3:42:F2:56:F3:BD:5D: E3:80:DE:4D:07:54:AE:00
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-08T15:34:59+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.

View certificate JSON

Registration / WHOIS →DNS records →