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

rnp.br · 104.18.26.22:443

Verified

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

Subject
C=BR ST=Rio de Janeiro L=Rio de Janeiro O=REDE NACIONAL DE ENSINO E PESQUISA - RNP CN=*.rnp.br
Issuer
C=BR O=REDE NACIONAL DE ENSINO E PESQUISA - RNP CN=RNP ICPEdu GR46 OV TLS CA 2025
Valid from
2026-03-09T18:04:39+00:00
Expires
2027-04-10T18:04:38+00:00
Days remaining
199
Serial (hex)
1883FDF3A2B70E72C20C8772
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.rnp.br, DNS:rnp.br

SHA-256 fingerprint

21:BD:30:16:15:AB:DB:16:DB:30:C5:A2:91:3D:87:F7:F5:F4:3F:80:5D:BD:04:9C:14:5A:09:14:75:E1:98:9A
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/rnpicpedugr46ovtlsca2025.crt OCSP - URI:http://ocsp.globalsign.com/rnpicpedugr46ovtlsca2025
certificatePolicies
Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rnpicpedugr46ovtlsca2025.crl
subjectAltName
DNS:*.rnp.br, DNS:rnp.br
authorityKeyIdentifier
94:B0:C9:4F:C1:E0:6C:EF:CE:C6:2B:6C:B3:B4:CB:22:8A:76:49:B7
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
D1:64:A3:68:6C:D2:3D:DC:6F:82:34:B4:8A:13:08:4D:99:44:DE:86
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Mar 9 18:04:42.774 2026 GMT Extensions: 00:00:05:00:03:0F:73:1C Signature : ecdsa-with-SHA256 30:45:02:20:4C:7D:17:35:9C:EC:03:94:33:64:7C:29: 74:9B:2A:CF:92:4A:22:35:F9:A1:11:E7:CC:E8:5C:68: 93:06:D2:F5:02:21:00:C7:F8:B2:4D:C6:60:AE:28:F6: 85:5C:E3:F2:35:41:9D:5E:BF:45:A0:43:90:B4:1E:7A: 01:EC:18:2B:B9:EA:D8 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 : Mar 9 18:04:42.714 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:20:B0:7E:12:7B:32:09:0F:08:BE:52:41: AB:BA:A9:F2:20:0E:F8:F0:A3:14:36:6A:13:07:47:24: 5E:8A:7D:B6:02:20:0A:6A:FA:5A:60:DD:1A:98:5A:99: F7:2A:E1:F3:8F:8A:CD:79:2A:BE:B8:3F:B3:DE:C1:BC: B4:0F:71:04:D0:BC 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 : Mar 9 18:04:41.968 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:98:52:EE:BF:95:17:3A:75:5D:6C:BF: 05:2E:D0:90:53:CF:80:8A:DD:FC:CA:A4:7A:44:92:86: 20:B7:FE:1E:E1:02:21:00:AC:0D:E9:35:8D:B7:D5:8D: EC:12:59:A6:9C:7A:02:BF:7F:E8:48:9A:CE:DC:22:8E: 6C:CC:2E:63:B5:CA:47:6C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-23T04:04:51+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BR O=REDE NACIONAL DE ENSINO E PESQUISA - RNP CN=RNP ICPEdu GR46 OV TLS CA 2025
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2025-11-19T03:27:55+00:00
Expires
2030-11-19T00:00:00+00:00
Days remaining
1517
Serial (hex)
84AC371369F2B3896C10759C657E0FD1
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

E1:07:47:D4:DA:7B:AB:09:CB:A9:95:2F:01:9D:35:34:CB:9F:BA:07:0B:F1:3D:87:91:B1:69:9C:D2:FF:59:DD
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
94:B0:C9:4F:C1:E0:6C:EF:CE:C6:2B:6C:B3:B4:CB:22:8A:76:49:B7
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 1.3.6.1.4.1.4146.10.1.2 Policy: 1.3.6.1.4.1.4146.1.20
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Issuer
C=BE O=GlobalSign nv-sa OU=Root CA CN=GlobalSign Root CA
Valid from
2019-11-20T00:00:00+00:00
Expires
2028-01-28T00:00:00+00:00
Days remaining
491
Serial (hex)
75A8BAD68321350B5B0BAC34E1CE389F
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A5:E3:3C:28:E3:01:3A:71:F5:F7:60:AE:3B:16:59:50:90:04:3D:2E:C5:20:9E:C5:29:03:C4:FB:AD:25:8D:AD
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityKeyIdentifier
60:7B:66:1A:45:0D:97:CA:89:50:2F:7D:04:CD:34:A8:FF:FC:FD:4B
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----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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