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 shr12.top

Valid
Issued by (CA)
Let's Encrypt
Subject
shr12.top
Valid from
Aug 26, 2026
Valid until
Nov 24, 2026 (41 days remaining)
Public key
EC 256-bit
Serial
05909F7BEF560280AC2F777F00439DBD7262
SHA-256 fingerprint
FA:36:12:3F:4C:3D:15:18:FE:68:93:5D:AD:F9:B8:DF:A2:C6:10:6C:72:CA:C4:A6:52:05:D7:B2:BA:B0:DE:7A
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
shr12.top

Certificate Authority Authorization (CAA)

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

We've observed 1 previous certificate for this host. This certificate has been served since Sep 5, 2026.

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This is today's certificate. Turn on monitoring and we'll watch shr12.top continuously, notifying you the moment anything moves across all three signals:

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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