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

linkbrasil.net.br · 164.163.192.225:443

Verified

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

Subject
CN=mail.linkbrasil.net.br
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-08-13T00:10:50+00:00
Expires
2026-11-11T00:10:49+00:00
Days remaining
49
Serial (hex)
05890F41A3BC959E1C14F32DA5EBDCE282CD
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:cpanel.linkbrasil.net.br, DNS:cpcalendars.linkbrasil.net.br, DNS:cpcontacts.linkbrasil.net.br, DNS:linkbrasil.net.br, DNS:mail.linkbrasil.net.br, DNS:webdisk.linkbrasil.net.br, DNS:webmail.linkbrasil.net.br, DNS:www.linkbrasil.net.br

SHA-256 fingerprint

FF:38:8D:AC:B4:29:60:34:11:CA:3E:84:89:54:96:72:1B:95:A1:01:59:F9:A5:AC:B0:4E:AF:84:E5:BF:2B:43
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
09:9C:0B:4A:10:29:72:E2:F4:4C:5B:9B:2C:91:4B:5E:E7:2B:6D:1C
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:cpanel.linkbrasil.net.br, DNS:cpcalendars.linkbrasil.net.br, DNS:cpcontacts.linkbrasil.net.br, DNS:linkbrasil.net.br, DNS:mail.linkbrasil.net.br, DNS:webdisk.linkbrasil.net.br, DNS:webmail.linkbrasil.net.br, DNS:www.linkbrasil.net.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/78.crl
ct_precert_scts
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 : Aug 13 01:09:20.583 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:9F:44:1C:2B:C0:F8:ED:E7:51:5C:64: D6:65:BD:9C:42:6F:79:4F:15:CC:F1:21:5E:46:F7:A8: F5:AB:B2:AE:58:02:21:00:C9:DA:31:00:0F:30:70:C7: 0F:C4:EB:CB:C6:31:47:CB:F0:A8:AD:FA:E4:91:06:46: A7:60:1B:AD:97:42:D0:B7 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A8:26:CB:E3:0A:C6:35:12:46:53:3F:E0:65:F1:4F:19: D9:6E:19:08:13:C4:1D:D9:6D:79:00:B3:12:3C:55:27 Timestamp : Aug 13 01:09:21.030 2026 GMT Extensions: 00:00:05:00:1B:B2:41:3E Signature : ecdsa-with-SHA256 30:45:02:20:32:CB:56:F0:E5:D5:3C:61:AD:B0:A4:BE: 89:8B:B6:9D:A7:AC:51:C0:58:7C:2D:A3:76:4E:FF:AC: AE:ED:E3:DE:02:21:00:E1:EB:D0:3D:30:EE:77:6D:5C: F5:BC:A1:61:97:EE:B0:8D:83:F0:B6:1B:83:3C:33:C0: 1B:E1:4D:9A:0E:F8:9C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-22T15:47:29+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
711
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2172
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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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