SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
alik.com.pl
SSL/TLS Certificate
SSL/TLS Certificate for alik.com.pl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- alik.com.pl
- Valid from
- Aug 4, 2026
- Valid until
- Nov 2, 2026 (50 days remaining)
- Public key
- EC 256-bit
- Serial
- 05DC627219154051DC7EA7A98C028B528FD4
- SHA-256 fingerprint
- 51:AB:5B:24:D7:18:08:8F:0A:F1:2D:AF:62:98:AF:67:88:13:7B:B3:10:CB:82:DE:59:26:06:B5:C2:12:AF:2E
- Chain
- YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Sep 12, 2026.
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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, 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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