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 hval.dk

Valid
Issued by (CA)
Hellenic Academic and Research Institutions CA
Subject
mitcfu.dk
Valid from
Nov 21, 2025
Valid until
Nov 21, 2026 (112 days remaining)
Public key
RSA 2048-bit
Serial
223276A2D6BC4B2F660001DEE2D48D5D
SHA-256 fingerprint
DE:E9:E0:70:8F:F3:E2:12:B8:3B:A8:4A:71:97:1F:75:D3:93:AC:71:39:8F:C4:AA:A4:BD:D8:81:0F:1F:3A:0D
Chain
GEANT TLS RSA 1 → HARICA TLS RSA Root CA 2021
Subject Alternative Names (67)
absalon.mitcfu.dk, app.mitcfu.dk, apps.mitcfu.dk, cdn.mitcfu.dk, cfuunivers.mitcfu.dk, dataaftale.mitcfu.dk, drift.mitcfu.dk, ebog.mitcfu.dk, ebog.mitcfu.fo, ebog.mitcfu.gl, ebook.mitcfu.dk, ebook.mitcfu.fo, ebook.mitcfu.gl, eksamen.mitcfu.dk, filer.mitcfu.dk, files.mitcfu.dk, filmogtv.mitcfu.dk, filmogtv.mitcfu.fo, filmogtv.mitcfu.gl, fo.mitcfu.dk, gammel.mitcfu.dk, gl.mitcfu.dk, help.mitcfu.dk, hval.dk, ila.mitcfu.dk, ila.mitcfu.gl, intranet.mitcfu.dk, kp.mitcfu.dk, lagervogn.mitcfu.dk, lagervogn.mitcfu.fo, lagervogn.mitcfu.gl, link.mitcfu.dk, login.mitcfu.dk, mail.hval.dk, mitcfu.dk, mitcfu.fo, mitcfu.gl, msib.mitcfu.dk, nam.mitcfu.dk, nam.mitcfu.fo, nytech.mitcfu.dk, old.mitcfu.dk, status.mitcfu.dk, streaming.mitcfu.dk, sydslesvig.mitcfu.dk, test.mitcfu.dk, tweets.mitcfu.dk, ucc.mitcfu.dk, ucl.mitcfu.dk, ucn.mitcfu.dk, ucsj.mitcfu.dk, ucsyd.mitcfu.dk, udvikling.mitcfu.dk, ultra.mitcfu.dk, ultrabit.mitcfu.dk, univers.mitcfu.dk, v1.mitcfu.dk, v2.mitcfu.dk, v3.mitcfu.dk, version1.mitcfu.dk, version2.mitcfu.dk, version3.mitcfu.dk, via.mitcfu.dk, www.hval.dk, www.mitcfu.dk, www.mitcfu.fo, www.mitcfu.gl

Certificate Authority Authorization (CAA)

CAA restricts issuance to harica.gr, letsencrypt.org; we couldn't map the serving CA (Hellenic Academic and Research Institutions CA) to one of these identifiers.

Never get surprised by hval.dk's certificate expiring

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