SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
navigation-experts.com
SSL/TLS Certificate
SSL/TLS Certificate for navigation-experts.com
Self-signed- Issued by (CA)
- navigation-experts.com
- Subject
- navigation-experts.com
- Valid from
- Dec 9, 2019
- Valid until
- Dec 8, 2020 (expired 2117 days ago)
- Public key
- RSA 2048-bit
- Serial
- 01B458E949
- SHA-256 fingerprint
- 19:09:3E:D7:0F:AA:AA:4A:60:47:37:F4:80:60:7B:D1:5A:A1:DC:68:0C:3B:CD:4C:6C:20:EC:E0:B3:F2:04:0E
- Chain
- navigation-experts.com
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 Aug 4, 2026.
Never get surprised by navigation-experts.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch navigation-experts.com 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.