SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
zabudowa-agd.pl
SSL/TLS Certificate
SSL/TLS Certificate for zabudowa-agd.pl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- zabudowa-agd.pl
- Valid from
- Oct 14, 2026
- Valid until
- Jan 12, 2027 (70 days remaining)
- Public key
- EC 256-bit
- Serial
- 0521AE2706816C0E0ACED8311A211C5D635D
- SHA-256 fingerprint
- 57:3F:3D:73:9B:E2:E5:F0:03:4E:32:14:95:95:E9:B7:3E:85:3F:12:AD:8F:88:13:D7:63:94:71:28:9E:60:7D
- Chain
- YE1 → Root YE → ISRG Root X2 → 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, 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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