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

anyservers.com · 77.79.239.194:443

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

Certificate verification failed

Subject
CN=cpcontacts.user2.dmkproject.pl
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-20T20:50:33+00:00
Expires
2026-12-19T20:50:32+00:00
Days remaining
47
Serial (hex)
05BA2E0BACFFC078627C4ECD179B5955D67C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:autoconfig.user2.dmkproject.pl, DNS:autodiscover.user2.dmkproject.pl, DNS:cpanel.user2.dmkproject.pl, DNS:cpcalendars.user2.dmkproject.pl, DNS:cpcontacts.user2.dmkproject.pl, DNS:mail.user2.dmkproject.pl, DNS:user2.dmkproject.pl, DNS:webdisk.user2.dmkproject.pl, DNS:webmail.user2.dmkproject.pl, DNS:www.user2.dmkproject.pl

SHA-256 fingerprint

59:A5:F1:FE:90:79:33:1A:C6:59:F7:70:22:BF:D2:61:B0:E9:7D:A6:5E:CD:07:F4:FF:50:F0:DD:A2:67:59:BC
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
FF:9C:77:8D:C5:9C:A2:41:09:3C:9F:3C:7F:30:A5:7F:32:0E:D2:8C
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.user2.dmkproject.pl, DNS:autodiscover.user2.dmkproject.pl, DNS:cpanel.user2.dmkproject.pl, DNS:cpcalendars.user2.dmkproject.pl, DNS:cpcontacts.user2.dmkproject.pl, DNS:mail.user2.dmkproject.pl, DNS:user2.dmkproject.pl, DNS:webdisk.user2.dmkproject.pl, DNS:webmail.user2.dmkproject.pl, DNS:www.user2.dmkproject.pl
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/125.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Sep 20 21:49:03.979 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2E:7D:D2:DD:B8:66:99:7E:22:55:27:58: C0:4E:D8:32:6B:A5:7F:6F:42:0E:FE:A1:3E:86:ED:06: 17:DF:57:31:02:20:40:9A:E5:77:10:B3:EE:35:5E:07: A0:D7:29:34:DE:C4:B4:F9:EF:D5:95:AC:B6:83:80:44: 65:65:0B:42:E8:F1 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 : Sep 20 21:49:05.947 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:41:60:E7:AA:55:0C:F1:47:DD:CA:F9:A1: EB:CD:19:DB:C8:CC:74:D9:74:95:18:17:B9:4E:F5:26: 6A:51:98:24:02:20:65:71:63:32:9F:18:78:10:B0:8B: 39:FB:3D:36:62:FD:7C:D7:D2:4C:4D:F5:F6:DC:BC:53: E9:9F:1E:A2:79:FC
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-01T23:06:13+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
671
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
2132
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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