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 reutlingen-university.de

Valid
Issued by (CA)
Hellenic Academic and Research Institutions CA
Subject
faculserv2025.reutlingen-university.de
Valid from
Jul 24, 2026
Valid until
Feb 8, 2027 (192 days remaining)
Public key
RSA 4096-bit
Serial
315CA8BA81F8615A3E61C6D9673D2D68
SHA-256 fingerprint
CB:17:63:A0:0A:A3:05:D0:99:2E:31:C8:8B:46:AC:EB:4D:3F:87:FC:43:E2:BD:F6:0E:5E:59:EF:4E:4B:AD:64
Chain
GEANT TLS RSA 1 → HARICA TLS RSA Root CA 2021
Subject Alternative Names (94)
ac.reutlingen-university.de, admin.fh-reutlingen.de, admin.hs-reutlingen.de, admin.reutlingen-university.de, alumni.fh-reutlingen.de, alumni.hs-reutlingen.de, alumni.reutlingen-university.de, bewerbung.fh-reutlingen.de, bewerbung.hs-reutlingen.de, bewerbung.reutlingen-university.de, bibliothek.fh-reutlingen.de, bibliothek.hs-reutlingen.de, bibliothek.reutlingen-university.de, biomat.reutlingen-university.de, biomed-lab.reutlingen-university.de, biomed.reutlingen-university.de, datenschutz.fh-reutlingen.de, datenschutz.hs-reutlingen.de, datenschutz.reutlingen-university.de, electronics-and-drives.de, esb-business-school.de, esb.reutlingen-university.de, faculserv2025.reutlingen-university.de, fh-reutlingen.de, hhz.de, hhz.reutlingen-university.de, hochschule-reutlingen.de, hs-reutlingen.de, huc.reutlingen-university.de, inf.reutlingen-university.de, informatik.reutlingen-university.de, isb.reutlingen-university.de, karriere.fh-reutlingen.de, karriere.hs-reutlingen.de, karriere.reutlingen-university.de, life-sciences.reutlingen-university.de, llf.esb-business-school.de, logistikfabrik.esb-business-school.de, ls.reutlingen-university.de, meti.reutlingen-university.de, mki.reutlingen-university.de, nxt.reutlingen-university.de, reutlingen-university.de, td.reutlingen-university.de, tec.reutlingen-university.de, tex.reutlingen-university.de, wi.reutlingen-university.de, www.ac.reutlingen-university.de, www.admin.fh-reutlingen.de, www.admin.hs-reutlingen.de, www.admin.reutlingen-university.de, www.alumni.fh-reutlingen.de, www.alumni.hs-reutlingen.de, www.alumni.reutlingen-university.de, www.bewerbung.fh-reutlingen.de, www.bewerbung.hs-reutlingen.de, www.bewerbung.reutlingen-university.de, www.bibliothek.fh-reutlingen.de, www.bibliothek.hs-reutlingen.de, www.bibliothek.reutlingen-university.de, www.biomat.reutlingen-university.de, www.biomed-lab.reutlingen-university.de, www.biomed.reutlingen-university.de, www.datenschutz.fh-reutlingen.de, www.datenschutz.hs-reutlingen.de, www.datenschutz.reutlingen-university.de, www.electronics-and-drives.de, www.esb-business-school.de, www.esb.reutlingen-university.de, www.faculserv2025.reutlingen-university.de, www.fh-reutlingen.de, www.hhz.de, www.hhz.reutlingen-university.de, www.hochschule-reutlingen.de, www.hs-reutlingen.de, www.huc.reutlingen-university.de, www.inf.reutlingen-university.de, www.informatik.reutlingen-university.de, www.isb.reutlingen-university.de, www.karriere.fh-reutlingen.de, www.karriere.hs-reutlingen.de, www.karriere.reutlingen-university.de, www.life-sciences.reutlingen-university.de, www.llf.esb-business-school.de, www.logistikfabrik.esb-business-school.de, www.ls.reutlingen-university.de, www.meti.reutlingen-university.de, www.mki.reutlingen-university.de, www.nxt.reutlingen-university.de, www.reutlingen-university.de, www.td.reutlingen-university.de, www.tec.reutlingen-university.de, www.tex.reutlingen-university.de, www.wi.reutlingen-university.de

Certificate Authority Authorization (CAA)

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

Never get surprised by reutlingen-university.de's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch reutlingen-university.de 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.