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 x-cad.pl
Valid- Issued by (CA)
- Asseco Data Systems S.A.
- Subject
- x-cad.pl
- Valid from
- Mar 5, 2026
- Valid until
- Mar 5, 2027 (122 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 04093852BFE73CD78BEA162FEB2FABDC
- SHA-256 fingerprint
- 12:A3:17:20:02:9C:16:42:F2:B2:C7:FB:39:37:30:63:C6:CD:1F:71:98:DA:05:3F:5F:08:AF:72:72:65:D9:A3
- Chain
- Certum DV TLS G2 R39 CA → Certum Trusted Root CA → Certum Trusted Network CA
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by x-cad.pl's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch x-cad.pl continuously, notifying you the moment anything moves across all three signals:
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.
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