THE CERTIFICATE BEHIND THE CONNECTION

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Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.2

mail.factorial.ru · 87.249.215.6:443

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

Certificate verification failed

Subject: C=RU ST=Chelyabinsk L=Chelyabinsk O=OOO Factorial OU=IT CN=mail.factorial.ru emailAddress=admin@factorial.ru
Issuer: C=RU ST=Chelyabinsk L=Chelyabinsk O=OOO Factorial OU=IT CN=mail.factorial.ru emailAddress=admin@factorial.ru
Valid from: 2022-06-14T05:48:58+00:00
Expires: 2032-06-11T05:48:58+00:00
Days remaining: 2054
Serial (hex): 8854E78F34BD5712
Signature: RSA-SHA512
Public key: RSA 4096

Subject alternative names (SAN)

DNS:mail.factorial.ru

SHA-256 fingerprint

78:46:9F:FD:A4:66:5D:54:2F:80:3B:D8:4F:F9:22:DB:F6:83:35:9A:EA:AE:F4:8D:18:7E:68:E2:0E:50:2A:18

Certificate extensions & PEM

subjectKeyIdentifier: A2:53:F8:97:98:C9:E0:15:80:6B:99:8D:7D:D2:8F:37:C2:DF:2E:81
authorityKeyIdentifier: A2:53:F8:97:98:C9:E0:15:80:6B:99:8D:7D:D2:8F:37:C2:DF:2E:81
basicConstraints: CA:TRUE
subjectAltName: DNS:mail.factorial.ru
issuerAltName: DNS:mail.factorial.ru

-----BEGIN CERTIFICATE-----
MIIGUDCCBDigAwIBAgIJAIhU5480vVcSMA0GCSqGSIb3DQEBDQUAMIGdMQswCQYD
VQQGEwJSVTEUMBIGA1UECAwLQ2hlbHlhYmluc2sxFDASBgNVBAcMC0NoZWx5YWJp
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bnNrMRYwFAYDVQQKDA1PT08gRmFjdG9yaWFsMQswCQYDVQQLDAJJVDEaMBgGA1UE
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3y6BMA8GA1UdEwEB/wQFMAMBAf8wHAYDVR0RBBUwE4IRbWFpbC5mYWN0b3JpYWwu
cnUwHAYDVR0SBBUwE4IRbWFpbC5mYWN0b3JpYWwucnUwDQYJKoZIhvcNAQENBQAD
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9C8ocU65wOrChnX8eaOJdDjXfkAyXo/t5ld6WkugKztkGVUWBYu6k7F15Y55I17P
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IbqPfz+EW7pnELB1G28iXLulSP8J64dRn+nnUp6EqqOB1GOH7yqfgx7T3ZewZLqy
icfhnAqqhwgCpjS+U7bhshwJcHRHDkz70rlBiu2ajU4oBCwqlcR6yhl6gqiC0pUR
knaNaLCDezYKDdc1omoaoa+aKv1FQXcXwUgdX+Cli7vJNepdF9hY1NP829R3Yy9u
O1bykouuGicckS0oJmp4c4vuJdPA6fIu5N7xvTfwQMQIKceORdwufRsn6aeCG5CU
A/WyFWXUVIXKNck54iAs2u5Q1WHNEtyKBPnVFx0nYmKTpaJRfMcuDVr+tYtgxIHb
6XqKm6dYiCC0wug6SEcxM0KpE6AZoGTn49rZuoTBa0y0Dq3BcSW25zI7ToVur1mu
viYbj4vHRbUUcjeJONeuYmHR3EK50rue3Qe0ww6hPTkCMV5jpd7yNDMFVWC+pNNG
SELqomvFk+soEvwdG4mviJJE8EzqsR/58jNA0DzcmI+EBjeg
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-27T02:34:58+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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