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

sgb.gov.br · 200.237.2.133:443

Verified
The certificate expires within 30 days.

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

Subject
C=BR ST=DISTRITO FEDERAL L=BRASILIA O=COMPANHIA DE PESQUISA DE RECURSOS MINERAIS CPRM CN=www.sgb.gov.br
Issuer
C=BR O=REDE NACIONAL DE ENSINO E PESQUISA - RNP CN=RNP ICPEdu GR46 OV TLS CA 2025
Valid from
2026-05-02T17:21:16+00:00
Expires
2026-11-17T17:21:16+00:00
Days remaining
10
Serial (hex)
1874A59486BBC19D0552EC8E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.sgb.gov.br, DNS:sgb.gov.br

SHA-256 fingerprint

86:9B:37:9A:96:88:CB:E3:8B:13:12:1B:71:D7:38:B9:C8:18:A8:95:75:4C:F8:EB:FE:06:06:E9:4F:CA:94:2C
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
subjectAltName
DNS:www.sgb.gov.br, DNS:sgb.gov.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
CE:8E:C8:97:74:60:D3:BD:30:F3:7A:4A:BA:AC:9A:AF:59:7F:01:E4
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : May 2 17:21:21.438 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:5C:A6:F8:A5:A9:AB:64:95:AF:5C:CC:13: B2:C6:F1:55:D0:BC:CB:DD:29:62:D8:42:FB:B7:A9:B1: 71:DF:9F:E0:02:21:00:9A:80:C3:2F:41:1F:4B:A7:E3: 5F:AF:A8:D8:B4:A5:47:9A:DF:29:F7:F0:16:5D:51:0C: DF:C0:BB:C4:0C:32:D8 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : May 2 17:21:21.020 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:CA:E1:6F:77:4E:9C:B8:C5:C4:BF:AC: B7:03:55:8B:E7:34:7D:E4:98:E7:14:67:B6:2E:E2:CD: 6A:4B:BD:22:F7:02:20:38:89:18:62:BA:56:7C:74:26: B1:59:5C:FF:3F:92:B3:1A:30:67:71:38:B3:FE:AB:8D: 5A:2D:36:32:E3:37:CD Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : May 2 17:21:21.405 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:6E:5D:27:78:3E:82:1F:06:F4:4D:91:74: 2C:EE:3E:CB:3E:AD:FB:B7:CB:E9:2F:88:0B:B9:F2:9C: A5:26:44:96:02:20:0D:6A:BF:2A:59:F2:48:32:23:B0: 65:E4:A8:FB:F8:FC:29:40:D3:D1:FB:32:C7:3A:BE:C9: 34:30:E7:E0:A3:B0
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-07T01:32:42+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2019-03-20T00:00:00+00:00
Expires
2046-03-20T00:00:00+00:00
Days remaining
7072
Serial (hex)
11D2BBB9D723189E405F0A9D2DD0DF2567D1
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4F:A3:12:6D:8D:3A:11:D1:C4:85:5A:4F:80:7C:BA:D6:CF:91:9D:3A:5A:88:B0:3B:EA:2C:63:72:D9:3C:40:C9
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
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

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
1472
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-----
MIIGnjCCBIagAwIBAgIRAISsNxNp8rOJbBB1nGV+D9EwDQYJKoZIhvcNAQEMBQAw
RjELMAkGA1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExHDAaBgNV
BAMTE0dsb2JhbFNpZ24gUm9vdCBSNDYwHhcNMjUxMTE5MDMyNzU1WhcNMzAxMTE5
MDAwMDAwWjBpMQswCQYDVQQGEwJCUjExMC8GA1UEChMoUkVERSBOQUNJT05BTCBE
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AgEAqBd4pyjCSQPAFcGq8km8PmRE/BoAJdPvYWKz6gr6x4sXfY40iCWxWLgZkGuN
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yEop+pZf6SwuK0l66xvmM9dt/xGgngIvpeaxIIMAAgNDp52PlSrJh5IKzD/FJ4s0
Rq9Aiz3bXLYXCMCa+8WSSVfxJWYgK9IdrTAsu1T24c+xj9TvMcbUgzTDZLhvsRwj
FcY332r9XszFkDqZxCSnjb/ztYa5jFrNGGHlmygMUmBCHGqcsqet/trLKjtaGoqO
JwD0Kk/FAsqF4aGUH7hwIwRuD6ce4BjmPbv870jGdhlRyaMITLbP1YwPDOuoRkrI
utjL30dyHZWiJq1WuYbcgWODH8QwF5BUyxdHpGsv/QL2GXn/Z+GFgdO+4dBnGz7S
AokPYKmMQwKdyn3hzNgShDSFq0sj+vhT3fAXSlth1xjCvdDz+ttccinn71FV5Ahu
S4n9gw8RmSlJoYhr1pzn4Aryi6+31gJVPA8UyTfVh9MbBi7BqPmMnYeZYj7Pr6o0
k8wsz5RA+HL5AbS1QouWcFFe4LEKWqXh67xFONVfi1bO/Y31mDU3fhSzW8tx6bkm
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MA4GA1UdDwEB/wQEAwIBhjATBgNVHSUEDDAKBggrBgEFBQcDATASBgNVHRMBAf8E
CDAGAQH/AgEAMB0GA1UdDgQWBBSUsMlPweBs787GK2yztMsiinZJtzAfBgNVHSME
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BQUHMAGGImh0dHA6Ly9vY3NwLmdsb2JhbHNpZ24uY29tL3Jvb3RyNDYwOwYIKwYB
BQUHMAKGL2h0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5jb20vY2FjZXJ0L3Jvb3Ry
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AjALBgkrBgEEAaAyARQwDQYJKoZIhvcNAQEMBQADggIBABAGOWuTA3iFMqABnBPR
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qL/56foMry+EWvXRJ0nA9P0GxdFmbTD4DkLFq++E15FBeRf7uRGUe46bZN345OQ7
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Lrk+EFDOGVGc0Ncad7JcFldwmLd0C9B73jq0t5opQcl/u1wdIanosZ418vCJp25K
QW1BCDCHenf+6mA2VptyuywHcDqM75rSGi5wxbE4IxkMxrl89HsQKfRSJbDT/0v5
gGlMw/UaCMP6O/4nwHrmXQJ2CVS7M4ucbUbm+ZSqOWgkDCTVvXyyIzWFpWxMk7UH
XBTei1qG19/PbShKTgYcgod0ReTr4osyARZ5T7jZqe8UKW1DUXcVasukATKryagk
NRRjRmM9YasyVMO3SVhTFp49aqAe173TKd2yatDmxlvB9s5fZ5pz5ptdyQFTyv+N
yLDZd5PHiO/JWBFL3g2XVFgKmDVlKsBkqLs/NR18/RWv0d7YKTVVfhc64gdXQAMt
Lyso4S/KfU1hV0inHITEfil4
-----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 →