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 lis-pm.com

Valid
Issued by (CA)
Let's Encrypt
Subject
lis-pm.com
Valid from
Jul 14, 2026
Valid until
Oct 12, 2026 (67 days remaining)
Public key
RSA 4096-bit
Serial
05BCBB591B370447156EBC3E316555CB1A6E
SHA-256 fingerprint
4A:2F:0B:A4:53:72:AD:7A:58:6A:D5:FA:5B:FA:7E:6D:72:F7:02:1D:41:24:FC:C1:E8:29:B4:D6:80:FE:73:D0
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
lis-pm.com, www.lis-pm.com

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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