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 li-sa.biz

Valid
Issued by (CA)
Let's Encrypt
Subject
li-sa.biz
Valid from
May 31, 2026
Valid until
Aug 29, 2026 (32 days remaining)
Public key
RSA 4096-bit
Serial
05FCF1774C532D260A90EE35D5529145AF4C
SHA-256 fingerprint
9F:BC:F3:44:6C:86:47:71:E0:A1:BC:B4:A4:EC:96:D2:FA:76:09:6C:2C:FA:18:11:0B:B6:0F:5A:EF:C6:AC:FA
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
li-sa.biz

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

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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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