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

relay1.litech.net · 185.94.218.34:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate expires within 30 days.

Certificate verification failed

Subject
CN=mail.litech.net
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-08-03T08:34:40+00:00
Expires
2026-11-01T08:34:39+00:00
Days remaining
17
Serial (hex)
0625A21B9077055813E720B99B1C522E4065
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:mail.litech.net, DNS:relay1.litech.net

SHA-256 fingerprint

00:5F:80:DC:53:94:24:78:99:31:4D:DA:12:D6:86:41:47:91:68:CF:2F:22:D4:D7:B9:51:47:4C:BF:92:F7:CD
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
5E:13:A3:14:AB:43:97:8B:66:41:2B:8C:73:6E:2D:DE:51:53:D5:C1
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:mail.litech.net, DNS:relay1.litech.net
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/102.crl
ct_precert_scts
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 : Aug 3 09:33:10.295 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:4B:4D:D3:E5:82:BC:D2:79:48:5C:60:54: A7:33:DD:AB:CE:17:E1:FD:F7:97:3B:57:81:75:1F:DE: 78:6F:5A:FB:02:20:0B:44:F3:7D:48:EB:03:2D:A6:26: 4F:6F:6C:46:45:67:03:CC:52:8E:93:7D:1F:E2:C9:93: 95:C8:DD:13:22:10 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37: 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23 Timestamp : Aug 3 09:33:09.197 2026 GMT Extensions: 00:00:05:00:30:90:3A:2B Signature : ecdsa-with-SHA256 30:45:02:21:00:E2:A6:36:D9:E5:94:AA:BC:C3:43:23: 76:75:21:33:FE:1E:0E:1A:A2:40:53:F0:4F:84:11:ED: 81:8E:40:2C:1F:02:20:04:28:E9:C3:61:5E:9D:3C:7F: 5B:F4:46:3A:AD:B8:C9:1D:C0:6A:72:A5:EE:FE:51:F1: 13:25:F6:95:73:37:B0
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-14T15:06:27+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=Let's Encrypt Authority X3
Issuer
O=Digital Signature Trust Co. CN=DST Root CA X3
Valid from
2016-03-17T16:40:46+00:00
Expires
2021-03-17T16:40:46+00:00
Days remaining
-2037
Serial (hex)
0A0141420000015385736A0B85ECA708
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

25:84:7D:66:8E:B4:F0:4F:DD:40:B1:2B:6B:07:40:C5:67:DA:7D:02:43:08:EB:6C:2C:96:FE:41:D9:DE:21:8D
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Digital Signature, Certificate Sign, CRL Sign
authorityInfoAccess
OCSP - URI:http://isrg.trustid.ocsp.identrust.com CA Issuers - URI:http://apps.identrust.com/roots/dstrootcax3.p7c
authorityKeyIdentifier
C4:A7:B1:A4:7B:2C:71:FA:DB:E1:4B:90:75:FF:C4:15:60:85:89:10
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.44947.1.1.1 CPS: http://cps.root-x1.letsencrypt.org
crlDistributionPoints
Full Name: URI:http://crl.identrust.com/DSTROOTCAX3CRL.crl
subjectKeyIdentifier
A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
-----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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