SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
lex-biuro.com
SSL/TLS Certificate
SSL/TLS Certificate for lex-biuro.com
Valid- Issued by (CA)
- nazwa.pl Sp. z o.o.
- Subject
- lex-biuro.com
- Valid from
- Sep 15, 2026
- Valid until
- Mar 14, 2027 (131 days remaining)
- Public key
- EC 384-bit
- Serial
- 64EC27BD8B8BEB470BD75126826ED81C
- SHA-256 fingerprint
- 33:87:28:7B:F7:94:B4:79:95:5D:B9:39:05:0E:03:6B:13:69:91:B6:F5:F9:92:84:EF:6D:83:83:8F:4A:A6:32
- Chain
- nazwaSSL DV TLS G2 E29 CA → Certum EC-384 CA → Certum Trusted Network CA
Certificate Authority Authorization (CAA)
CAA restricts issuance to certum.pl, letsencrypt.org; we couldn't map the serving CA (nazwa.pl Sp. z o.o.) to one of these identifiers.
Never get surprised by lex-biuro.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch lex-biuro.com continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
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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