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 preota.com

Valid
Issued by (CA)
Let's Encrypt
Subject
preota.com
Valid from
Aug 18, 2026
Valid until
Nov 16, 2026 (69 days remaining)
Public key
RSA 2048-bit
Serial
051351E0328138D8913BDF1727F86E6B1E1E
SHA-256 fingerprint
82:52:54:37:CA:D4:75:30:6A:17:7B:2E:6E:2B:62:31:32:EE:46:08:D8:1A:D9:44:8E:4C:48:AB:72:51:27:59
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.preota.com, preota.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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