SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
apk-immo.de
SSL/TLS Certificate
SSL/TLS Certificate for apk-immo.de
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- *.apk-immo.de
- Valid from
- Oct 28, 2026
- Valid until
- May 10, 2027 (190 days remaining)
- Public key
- RSA 2048-bit
- Serial
- CF504A21AFC59DB0A0A6F9794458F4B2
- SHA-256 fingerprint
- C7:06:E2:3B:E8:9F:AD:BF:FF:C4:CD:68:B8:9B:8A:6A:CF:2F:11:C6:7E:8F:CC:7F:70:AB:14:B4:87:E1:D3:78
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Nov 1, 2026.
Never get surprised by apk-immo.de's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch apk-immo.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, CNAME, TXT 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.