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

TLSv1.2

dns3.dnscenter.com.br · 187.110.226.4:443

Verified

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

Subject
CN=dns3.dnscenter.com.br
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-20T22:39:51+00:00
Expires
2027-01-18T22:39:50+00:00
Days remaining
88
Serial (hex)
06C107AD91CD0F30C5499D05BE7B043C2057
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:autoconfig.dns3.dnscenter.com.br, DNS:autodiscover.dns3.dnscenter.com.br, DNS:cpanel.dns3.dnscenter.com.br, DNS:cpcalendars.dns3.dnscenter.com.br, DNS:cpcontacts.dns3.dnscenter.com.br, DNS:dns3.dnscenter.com.br, DNS:ipv6.dns3.dnscenter.com.br, DNS:mail.dns3.dnscenter.com.br, DNS:webdisk.dns3.dnscenter.com.br, DNS:webmail.dns3.dnscenter.com.br, DNS:whm.dns3.dnscenter.com.br, DNS:www.dns3.dnscenter.com.br

SHA-256 fingerprint

7D:7F:62:78:3C:56:63:39:2E:0A:CD:2D:16:4E:39:3B:56:39:A0:A9:18:D4:F7:F9:CC:D1:15:30:96:B5:58:83
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
3E:7D:DD:F3:C0:73:9B:5D:5B:CF:1C:8D:A8:6E:33:96:1D:A8:87:AA
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:autoconfig.dns3.dnscenter.com.br, DNS:autodiscover.dns3.dnscenter.com.br, DNS:cpanel.dns3.dnscenter.com.br, DNS:cpcalendars.dns3.dnscenter.com.br, DNS:cpcontacts.dns3.dnscenter.com.br, DNS:dns3.dnscenter.com.br, DNS:ipv6.dns3.dnscenter.com.br, DNS:mail.dns3.dnscenter.com.br, DNS:webdisk.dns3.dnscenter.com.br, DNS:webmail.dns3.dnscenter.com.br, DNS:whm.dns3.dnscenter.com.br, DNS:www.dns3.dnscenter.com.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/88.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 00:1A:5D:1A:1C:2D:93:75:B6:48:55:78:F8:2F:71:A1: AE:6E:EF:39:7D:29:7C:8A:E3:15:7B:CA:DE:E1:A0:1E Timestamp : Oct 20 23:38:21.282 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:8A:6B:1E:9F:FD:44:BF:CD:2E:36:59: E2:5F:04:D6:3D:B6:C4:CE:62:A0:9F:79:51:F6:31:69: 5D:5A:94:20:4E:02:21:00:DD:B2:D9:B2:E9:4E:1D:DB: 2D:B8:1B:5F:10:23:6E:68:A6:D7:6F:F7:41:D7:57:82: 4B:A1:CF:3A:B1:31:03:1E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1A:8B:9D:6B:8D:D7:91:D1:CD:05:49:ED:B6:03:55:D6: 06:B6:4F:AD:30:DB:71:FE:78:8F:0F:C7:C8:FB:C4:B1 Timestamp : Oct 20 23:38:22.740 2026 GMT Extensions: 00:00:05:00:0B:5F:0E:0A Signature : ecdsa-with-SHA256 30:46:02:21:00:DE:7C:B2:55:C3:4E:15:8D:00:19:73: E7:B3:E7:46:BE:8C:5D:E0:98:95:02:F4:20:96:B9:89: 16:E0:D5:DC:FB:02:21:00:9D:0C:3F:AC:24:05:EA:7E: C4:9B:03:C0:32:58:D8:14:72:8E:5B:1D:98:89:4B:27: BF:C9:F4:F4:50:1F:4A:90
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-22T16:22:39+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
681
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
2142
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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