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

ns2.alcans.com.br · 177.74.186.235:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `ns2.alcans.com.br'

Certificate verification failed

Subject
CN=cpanel.alcans.com.br
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-20T22:35:46+00:00
Expires
2026-12-19T22:35:45+00:00
Days remaining
69
Serial (hex)
0525F5B1F57387FEE2E55D2B0496471D1739
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

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

SHA-256 fingerprint

2A:5B:6E:B3:35:4B:B4:DB:0C:86:A8:B1:23:07:B6:A2:FD:96:F7:53:E7:97:34:4C:B0:1E:05:CF:5D:71:BD:7F
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
6F:20:08:71:60:EF:7C:40:C5:9B:CD:2C:42:07:77:84:62:AE:E9:07
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:autoconfig.cpanel.alcans.com.br, DNS:autodiscover.cpanel.alcans.com.br, DNS:cpanel.alcans.com.br, DNS:cpanel.cpanel.alcans.com.br, DNS:cpcalendars.cpanel.alcans.com.br, DNS:cpcontacts.cpanel.alcans.com.br, DNS:ipv6.cpanel.alcans.com.br, DNS:mail.cpanel.alcans.com.br, DNS:webdisk.cpanel.alcans.com.br, DNS:webmail.cpanel.alcans.com.br, DNS:whm.cpanel.alcans.com.br, DNS:www.cpanel.alcans.com.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/58.crl
ct_precert_scts
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 : Sep 20 23:34:16.155 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:68:5E:56:E5:48:BA:64:4A:C1:E0:3E:27: E1:5F:BB:02:C6:2D:D3:C1:2F:8C:31:54:A5:68:A3:94: 30:6C:71:57:02:21:00:D6:CA:25:28:45:5C:67:43:C1: 83:B0:9C:53:A2:DC:AB:6C:22:91:21:FD:AE:69:39:B1: 26:C9:BA:7B:1E:84:57 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 : Sep 20 23:34:16.862 2026 GMT Extensions: 00:00:05:00:10:F4:DE:70 Signature : ecdsa-with-SHA256 30:45:02:21:00:B0:12:A9:97:EE:8F:5A:70:D9:2B:D8: 83:86:C6:76:86:77:6B:81:71:F2:58:60:D8:85:B6:C7: 12:E5:35:01:50:02:20:55:D9:0D:DF:C1:42:71:AF:49: 04:23:41:3F:F5:8F:FD:DD:0A:7D:D0:AA:5E:22:66:37: 39:CC:05:AB:8E:9D:21
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-11T13:38:18+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
692
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
2153
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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