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

mail.linkbrasil.net.br · 164.163.192.225:443

Verified

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

Subject
CN=cpcalendars.linkbrasil.net.br
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-13T12:10:48+00:00
Expires
2027-01-11T12:10:47+00:00
Days remaining
82
Serial (hex)
0684B87CDDB5DEEF92E993B0F23427598E58
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

EC:9D:D0:A5:A9:57:66:92:3B:2B:AB:50:14:D1:FD:75:4E:94:9E:E1:12:53:93:95:C1:3D:08:9C:B4:5A:09:AF
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
A4:D2:75:85:2D:3C:7F:E7:0F:1E:1A:DC:B9:E8:88:12:EB:A0:DC:A5
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.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://yr1.c.lencr.org/89.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Oct 13 13:09:19.065 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:54:68:6A:29:14:7F:F2:14:92:50:05:63: 54:5C:1E:E7:64:22:A5:5C:1B:4E:0D:A5:43:CA:30:52: 95:93:E8:79:02:21:00:88:EB:DE:C5:4F:6C:32:3A:A6: C0:CE:9E:E1:6E:5C:AB:FF:B7:B3:9F:88:FE:C4:42:03: 4A:2C:02:06:2C:F4:9A Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA: 54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D Timestamp : Oct 13 13:09:19.654 2026 GMT Extensions: 00:00:05:00:22:AE:38:56 Signature : ecdsa-with-SHA256 30:45:02:20:47:6C:25:06:99:73:45:81:CD:9A:BC:B2: 4A:1D:77:1B:CE:86:53:2E:59:3A:8C:34:6D:8E:B1:19: 3F:9F:E6:2F:02:21:00:B7:AE:99:D9:05:80:3B:B6:4E: 92:92:10:2B:E2:76:90:EA:BB:15:85:CE:88:55:14:0F: 48:30:06:FE:A5:74:04
-----BEGIN CERTIFICATE-----
MIIFxzCCBK+gAwIBAgISBoS4fN213u+S6ZOw8jQnWY5YMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNZUjEwHhcNMjYxMDEzMTIxMDQ4WhcNMjcwMTExMTIxMDQ3WjAoMSYwJAYDVQQD
Ex1jcGNhbGVuZGFycy5saW5rYnJhc2lsLm5ldC5icjCCASIwDQYJKoZIhvcNAQEB
BQADggEPADCCAQoCggEBAOkD9r53aGct8F4PIBIvXPmxmXjNugRfJwRjvYGL8qq3
vK15PJOD/dc5lIZ0ojrb7kQQrDGY6R8QjHRe2yJu61UxXkwZezpCJ+zzTSWn+Wku
fNdzPAvcRY+kxN48pbDw06EXGUPIsPRTbNLAwxBhvy0232ZM4tDkZZCk0ZN2XWt4
k1gZKIcOwuCcTamWPmjfHwo5h7jxCMOWwNdim8/G5ciGmgnx55MQj+/nQ4ccOfy5
ittDp3/ZazV2dXNjiQbdBJfPGkBRayU+pNR+ejkia1hYWR8Xavaf7R4IKAgupHgP
uurZYGN+IZAuJIzvvsPj/TIpnp0miAYHKshzrKNCG8sCAwEAAaOCAt4wggLaMA4G
A1UdDwEB/wQEAwIFoDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAA
MB0GA1UdDgQWBBSk0nWFLTx/5w8eGty56IgS66DcpTAfBgNVHSMEGDAWgBQfLzW+
RhSCzUCxrnksVXj699Ro+zAzBggrBgEFBQcBAQQnMCUwIwYIKwYBBQUHMAKGF2h0
dHA6Ly95cjEuaS5sZW5jci5vcmcvMIHaBgNVHREEgdIwgc+CGGNwYW5lbC5saW5r
YnJhc2lsLm5ldC5icoIdY3BjYWxlbmRhcnMubGlua2JyYXNpbC5uZXQuYnKCHGNw
Y29udGFjdHMubGlua2JyYXNpbC5uZXQuYnKCEWxpbmticmFzaWwubmV0LmJyghZt
YWlsLmxpbmticmFzaWwubmV0LmJyghl3ZWJkaXNrLmxpbmticmFzaWwubmV0LmJy
ghl3ZWJtYWlsLmxpbmticmFzaWwubmV0LmJyghV3d3cubGlua2JyYXNpbC5uZXQu
YnIwEwYDVR0gBAwwCjAIBgZngQwBAgEwLgYDVR0fBCcwJTAjoCGgH4YdaHR0cDov
L3lyMS5jLmxlbmNyLm9yZy84OS5jcmwwggEMBgorBgEEAdZ5AgQCBIH9BIH6APgA
dgBgTJqven93XwHUBvySDciZ6wscffjJUhv6+hd3O5eLyQAAAaE1YbhZAAAEAwBH
MEUCIFRoaikUf/IUklAFY1RcHudkIqVcG04NpUPKMFKVk+h5AiEAiOvexU9sMjqm
wM6e4W5cq/+3s5+I/sRCA0osAgYs9JoAfgCigQAYc04Xbh1H4JVA84G6VGaXzWOo
Q1BxbrgJTtrxDQAAAaE1YbqmAAgAAAUAIq44VgQDAEcwRQIgR2wlBplzRYHNmryy
Sh13G86GUy5ZOow0bY6xGT+f5i8CIQC3rpnZBYA7tk6SkhAr4naQ6rsVhc6IVRQP
SDAG/qV0BDANBgkqhkiG9w0BAQsFAAOCAQEACGwqEJgBUKByGYua2TEQyzK9C7zV
6EAwxdcOca56ZgdLkHlTVkDkc2pYwqoL+CP/jNzQSplbnuPwKo8YzUKffzLf2ciY
BmCxQI1FVXLy4y5vCqCJOoGzrDbl2ODT1d6Va0Ew8j0KKpGU1jF19+62Qx2RLxv6
Ilcn1n391h+IDrmx0Ry2EVkwRg8Qw337SQAN6aNxJ4b/ff+01ei2Y/NiTNBz0nRG
OlhPtCYi48KoCPwhCkLUcrzv3KjM5WNOP+KU28AfQU+XKsTKBwt1XD8lzcuP3jiY
11+BX9fj3UUmN8TLF+x9CvGq+nPZOgy88ahvH+0SkKmGTrLtTqd6bNKAUw==
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-20T18:51:06+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
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
683
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
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
2144
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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