SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
bloniebosco.pl
SSL/TLS Certificate
SSL/TLS Certificate for bloniebosco.pl
Valid- Issued by (CA)
- nazwa.pl Sp. z o.o.
- Subject
- bloniebosco.pl
- Valid from
- Oct 30, 2026
- Valid until
- May 5, 2027 (184 days remaining)
- Public key
- EC 384-bit
- Serial
- 79D920D780105AA18384D946EE2E6322
- SHA-256 fingerprint
- 8E:D3:4F:6B:BE:51:FB:39:B3:AE:E6:66:42:B8:69:19:4C:98:36:FB:8B:DE:70:2A:7B:EB:7D:32:99:FB:F7:02
- 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.
This certificate has been served since Oct 22, 2026.
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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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