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

mail4.interconnecx.net · 152.160.45.14:443

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=XMAIL
Issuer
CN=XMAIL
Valid from
2023-02-04T05:04:44+00:00
Expires
2028-02-04T05:04:44+00:00
Days remaining
495
Serial (hex)
4160298BCB472AB742E4A686A1AA102A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:XMAIL, DNS:XMAIL.interconnecx.net

SHA-256 fingerprint

95:DF:F6:5F:F6:42:1A:F1:EB:3A:B3:F3:42:B2:C6:B4:BF:B0:B4:9B:06:9C:59:B9:E3:AC:8D:68:29:01:11:3A
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
subjectAltName
DNS:XMAIL, DNS:XMAIL.interconnecx.net
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-26T13:04:37+00:00

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

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