SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for ims-budownictwo.pl

Valid
Issued by (CA)
nazwa.pl Sp. z o.o.
Subject
ims-budownictwo.pl
Valid from
Jul 10, 2026
Valid until
Jan 16, 2027 (166 days remaining)
Public key
EC 384-bit
Serial
20737EAE6AC6A823834B8FB30BC7066F
SHA-256 fingerprint
B5:9F:23:34:E3:E6:66:E4:2B:BD:FE:48:CD:27:18:BE:8D:81:51:73:21:31:8D:4F:62:F6:AE:B3:66:6A:9D:45
Chain
nazwaSSL DV TLS G2 E29 CA → Certum EC-384 CA → Certum Trusted Network CA
Subject Alternative Names (2)
ims-budownictwo.pl, www.ims-budownictwo.pl

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 ims-budownictwo.pl's certificate expiring

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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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