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 regi-web.ru

Self-signed
Issued by (CA)
localhost
Subject
localhost
Valid from
Nov 10, 2024
Valid until
Nov 8, 2034 (3028 days remaining)
Public key
RSA 2048-bit
Serial
EF2540E299F18389
SHA-256 fingerprint
94:E3:60:DD:D3:C1:42:7B:FE:ED:78:7E:DB:A9:4E:7E:5C:A6:DC:49:2C:7F:E5:8C:54:14:CE:C6:74:A6:66:F8
Chain
localhost

Certificate Authority Authorization (CAA)

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

Never get surprised by regi-web.ru's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch regi-web.ru 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.

Monitor this certificate free

Free for your first domain: uptime, DNS, and certificate together. No credit card.