SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for gamar-kartony.pl

Valid
Issued by (CA)
ZeroSSL GmbH
Subject
gamar-kartony.pl
Valid from
Aug 25, 2026
Valid until
Nov 23, 2026 (34 days remaining)
Public key
EC 256-bit
Serial
5DBE17045CBC8F337E7E290384DA0B10
SHA-256 fingerprint
06:6D:99:10:04:B4:95:F4:DE:BB:CD:0F:E9:44:43:9B:76:FA:6C:FE:90:1B:68:87:90:52:2E:CE:7C:22:80:54
Chain
ZeroSSL ECC DV SSL CA 2 → Sectigo Public Server Authentication Root E46 → USERTrust ECC Certification Authority
Subject Alternative Names (6)
ftp.gamar-kartony.pl, gamar-kartony.pl, mail.gamar-kartony.pl, pop.gamar-kartony.pl, smtp.gamar-kartony.pl, www.gamar-kartony.pl

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

This certificate has been served since Sep 23, 2026.

Never get surprised by gamar-kartony.pl's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch gamar-kartony.pl continuously, notifying you the moment anything moves across all three signals:

Certificate monitor showing the issuer, expiry date, chain status, fingerprint, covered names, and a history of a rotation and an expiry warning

Uptime

We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.

DNS changes

We watch NS, MX, CAA, CNAME, TXT and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.

TLS certificate

We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.

Monitor this certificate free

Free for your first domain: uptime, DNS, and certificate together. No credit card.