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 viggi.dk

Self-signed
Issued by (CA)
default
Subject
default.certificate
Valid from
Dec 1, 2011
Valid until
Jan 30, 2012 (expired 5297 days ago)
Public key
RSA 2048-bit
Serial
C3DCF8DBCF6A3227
SHA-256 fingerprint
52:28:96:C8:38:0D:9A:FA:28:F5:44:6A:F8:16:67:F8:55:B3:FD:67:BD:EF:CF:38:A3:2C:23:51:64:91:6B:FB
Chain
default.certificate

Certificate Authority Authorization (CAA)

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

This certificate has been served since Jul 31, 2026.

Never get surprised by viggi.dk's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch viggi.dk 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.