SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
sibud-jarocin.pl
SSL/TLS Certificate
SSL/TLS Certificate for sibud-jarocin.pl
Self-signed- Issued by (CA)
- s35.zenbox.pl
- Subject
- s35.zenbox.pl
- Valid from
- Apr 10, 2020
- Valid until
- Apr 10, 2021 (expired 1931 days ago)
- Public key
- RSA 4096-bit
- Serial
- D99127A275C49D26
- SHA-256 fingerprint
- 6B:D6:1F:EC:01:8E:90:1B:7D:BC:96:29:7A:A4:AA:0E:E3:8D:B2:B8:2B:41:31:60:6D:5F:16:D8:C7:9E:F8:03
- Chain
- s35.zenbox.pl
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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