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 aivis-media.ru

Valid
Issued by (CA)
Let's Encrypt
Subject
*.aivis-media.ru
Valid from
May 27, 2026
Valid until
Aug 25, 2026 (29 days remaining)
Public key
RSA 2048-bit
Serial
064D24AEBCDCA1AA3EFBAD5EA18233815444
SHA-256 fingerprint
C6:D5:A8:3E:BD:F1:FA:19:8C:BB:A0:BF:8C:3B:BA:09:2F:7E:AF:3B:91:F5:D7:2B:2D:BA:DE:D9:3B:C5:7C:2E
Chain
R13 → ISRG Root X1
Subject Alternative Names (2)
*.aivis-media.ru, aivis-media.ru

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).

Never get surprised by aivis-media.ru's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch aivis-media.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.