THE CERTIFICATE BEHIND THE CONNECTION

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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

atscom.net · 158.255.80.12:443

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
CN=vcs.atscom.net O=ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "АТСТЕЛЕКОМ" C=RU SN=Ситников Антон Николаевич emailAddress=ats@atscom.net
Issuer
CN=TrueConf Server CA ru4xe4 69b93af7 O=ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "АТСТЕЛЕКОМ" C=RU SN=Ситников Антон Николаевич emailAddress=ats@atscom.net
Valid from
2026-03-17T11:28:55+00:00
Expires
2027-03-17T11:28:55+00:00
Days remaining
151
Serial (hex)
01
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:vcs.atscom.net, IP Address:158.255.80.12, IP Address:192.168.20.2

SHA-256 fingerprint

BA:8B:2E:05:91:F1:9A:D5:12:A9:27:50:C3:E7:B4:24:DD:3D:2F:CE:24:36:FD:67:7C:BD:54:AC:4F:EE:5E:B7
Certificate extensions & PEM
subjectAltName
DNS:vcs.atscom.net, IP Address:158.255.80.12, IP Address:192.168.20.2
basicConstraints
CA:FALSE
keyUsage
Digital Signature, Non Repudiation, Key Encipherment
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-17T08:26:16+00:00

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

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