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

wtservers.com · 185.240.251.189:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`autoconfig.cp1.webtuga.pt' did not match expected CN=`wtservers.com'

Certificate verification failed

Subject
CN=autoconfig.cp1.webtuga.pt
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-08-18T07:11:14+00:00
Expires
2026-11-16T07:11:13+00:00
Days remaining
46
Serial (hex)
05D3B49C46A528DF7FB00D6A5B58CBFB92B2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:autoconfig.cp1.webtuga.pt, DNS:autodiscover.cp1.webtuga.pt, DNS:cp1.webtuga.pt, DNS:cpanel.cp1.webtuga.pt, DNS:cpcalendars.cp1.webtuga.pt, DNS:cpcontacts.cp1.webtuga.pt, DNS:ipv6.cp1.webtuga.pt, DNS:mail.cp1.webtuga.pt, DNS:webdisk.cp1.webtuga.pt, DNS:webmail.cp1.webtuga.pt, DNS:whm.cp1.webtuga.pt, DNS:www.cp1.webtuga.pt

SHA-256 fingerprint

BC:54:64:7A:BE:8A:19:6D:D8:2D:2E:7B:86:C7:5B:2C:FE:5D:96:C7:4E:E0:C0:AA:2A:EB:65:2E:C0:B3:52:EA
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
B4:72:3B:AE:7A:6B:FE:BD:05:6D:B1:AE:5F:42:62:5B:B2:04:C5:A1
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.cp1.webtuga.pt, DNS:autodiscover.cp1.webtuga.pt, DNS:cp1.webtuga.pt, DNS:cpanel.cp1.webtuga.pt, DNS:cpcalendars.cp1.webtuga.pt, DNS:cpcontacts.cp1.webtuga.pt, DNS:ipv6.cp1.webtuga.pt, DNS:mail.cp1.webtuga.pt, DNS:webdisk.cp1.webtuga.pt, DNS:webmail.cp1.webtuga.pt, DNS:whm.cp1.webtuga.pt, DNS:www.cp1.webtuga.pt
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/51.crl
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 : Aug 18 08:09:44.975 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:0F:22:FF:E7:42:07:E1:4B:4E:F6:C4:9A: BB:60:0D:13:90:6D:4D:3D:1D:B0:BB:17:30:A3:CC:0C: F2:1C:49:85:02:20:23:B8:8F:F0:7D:A3:5B:4D:26:18: 8B:1F:15:AA:2E:C9:F6:69:E8:2F:B9:B9:81:1E:FE:0F: 98:7A:98:1F:16:45 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9: 1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A Timestamp : Aug 18 08:09:44.993 2026 GMT Extensions: 00:00:05:00:1F:88:13:A6 Signature : ecdsa-with-SHA256 30:46:02:21:00:A1:95:F8:EA:B3:48:BD:16:D0:14:26: F4:A9:F7:4C:2E:69:67:74:4B:86:45:DE:A0:19:EA:C5: 09:0C:B8:62:45:02:21:00:C9:AE:F9:39:A9:E8:4C:0F: BE:2B:D1:04:54:8F:12:80:01:6F:87:53:BA:7A:1E:88: 58:85:77:7E:B0:8B:0C:A9
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-30T12:15:32+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
703
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
2164
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

Registration / WHOIS →DNS records →