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 marburg-impressionen.de

Valid
Issued by (CA)
Sectigo Limited
Subject
marburg-impressionen.de
Valid from
Dec 3, 2025
Valid until
Dec 24, 2026 (142 days remaining)
Public key
RSA 2048-bit
Serial
52AF77F2F28A4213C7FEE222953E2540
SHA-256 fingerprint
8A:01:A3:D5:8F:8D:0B:FE:87:09:C0:AF:79:E8:45:20:08:99:74:0D:54:86:37:E2:70:13:CC:EE:4D:5A:A9:AD
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
marburg-impressionen.de, www.marburg-impressionen.de

Certificate Authority Authorization (CAA)

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

Never get surprised by marburg-impressionen.de's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch marburg-impressionen.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.