SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
kai-polska.com.pl
SSL/TLS Certificate
SSL/TLS Certificate for kai-polska.com.pl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- megapunkt.pl
- Valid from
- Aug 6, 2026
- Valid until
- Nov 4, 2026 (82 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06240A394372BBD4C8CE73AEE7A599740C67
- SHA-256 fingerprint
- 91:C1:F8:3B:F0:55:A8:46:0F:DC:1A:C1:3F:37:18:2F:66:91:8B:99:F7:AF:5A:99:6D:0F:DA:40:6D:0B:B2:0C
- Chain
- YR2 → Root YR → ISRG Root X1
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, DNSSEC, CNAME 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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