SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
luteranie.pl
SSL/TLS Certificate
SSL/TLS Certificate for luteranie.pl
Valid- Issued by (CA)
- Asseco Data Systems S.A.
- Subject
- *.luteranie.pl
- Valid from
- Feb 18, 2026
- Valid until
- Feb 18, 2027 (195 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 315390F1BE680D84BCCFA8074672875C
- SHA-256 fingerprint
- 28:12:92:F6:F9:87:1D:30:D5:CB:FB:85:08:53:04:B2:CC:21:2E:5E:AA:79:92:69:B1:C7:E6:7C:15:BA:E5:83
- Chain
- Certum DV TLS G2 R39 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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This is today's certificate. Turn on monitoring and we'll watch luteranie.pl continuously, notifying you the moment anything moves across all three signals:
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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