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 tofunft.com

Valid
Issued by (CA)
Google Trust Services
Subject
tofunft.com
Valid from
Jul 19, 2026
Valid until
Oct 17, 2026 (32 days remaining)
Public key
EC 256-bit
Serial
FB1861E20441A5400E8E8867885E7E74
SHA-256 fingerprint
CD:39:51:1C:AF:5F:57:AC:E4:FE:EA:29:93:45:69:CD:C7:A7:99:98:A6:AB:15:33:2C:B5:A1:A7:E0:2D:7C:92
Chain
WE1 → GTS Root R4
Subject Alternative Names (2)
*.tofunft.com, tofunft.com

Certificate Authority Authorization (CAA)

The serving CA (Google Trust Services) is authorized by this domain's CAA records (comodoca.com, digicert.com, letsencrypt.org, pki.goog, ssl.com).

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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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