SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
gfsa-app.com
SSL/TLS Certificate
SSL/TLS Certificate for gfsa-app.com
Self-signed- Issued by (CA)
- gfsa-app.com
- Subject
- gfsa-app.com
- Valid from
- Sep 29, 2026
- Valid until
- Sep 29, 2027 (319 days remaining)
- Public key
- RSA 2048-bit
- Serial
- F221FE2287EA9B4A38
- SHA-256 fingerprint
- 3C:BF:F0:66:D1:5E:1F:30:07:E6:B7:A2:2A:16:FB:42:B8:DD:9D:EA:4B:4A:9C:A6:37:EA:5C:EC:E1:F9:A7:61
- Chain
- gfsa-app.com
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by gfsa-app.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch gfsa-app.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, 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.