SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
kta-bielsko.pl
SSL/TLS Certificate
SSL/TLS Certificate for kta-bielsko.pl
Valid- Issued by (CA)
- nazwa.pl Sp. z o.o.
- Subject
- kta-bielsko.pl
- Valid from
- Jan 14, 2026
- Valid until
- Jan 12, 2027 (62 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 1A2CB99E2CF072D97489138ADB15E3
- SHA-256 fingerprint
- 26:75:31:DA:0F:CF:EB:6A:94:DB:EE:AE:CD:0E:AF:A8:CF:EA:D9:73:42:16:D0:82:D1:17:FB:16:AA:FA:06:94
- Chain
- nazwaSSL DV TLS G2 R29 CA → Certum Trusted Root CA
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
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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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