SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
banphue-udon.go.th
SSL/TLS Certificate
SSL/TLS Certificate for banphue-udon.go.th
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.banphue-udon.go.th
- Valid from
- Sep 20, 2026
- Valid until
- Dec 19, 2026 (47 days remaining)
- Public key
- EC 384-bit
- Serial
- 065F399A7FE5A9902BAC5B2BDCCA0CA65B47
- SHA-256 fingerprint
- 9A:0B:77:66:6E:9F:0A:D9:E6:AD:32:DC:DE:8E:03:C9:F7:62:DE:A7:CA:50:B0:24:8C:7A:1B:86:2E:3D:BD:F8
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
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 Oct 29, 2026.
Never get surprised by banphue-udon.go.th's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch banphue-udon.go.th 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.