SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
long-tengda.com
SSL/TLS Certificate
SSL/TLS Certificate for long-tengda.com
Valid- Issued by (CA)
- Google Trust Services
- Subject
- long-tengda.com
- Valid from
- Sep 26, 2026
- Valid until
- Dec 25, 2026 (67 days remaining)
- Public key
- EC 256-bit
- Serial
- 689AE780F7DD7B180E48A2F8F168AB6B
- SHA-256 fingerprint
- FD:E8:60:B2:40:84:2F:2A:90:94:DF:B1:01:FC:7C:B8:4F:07:0A:ED:66:F9:6F:74:E5:AE:6E:8A:E4:0A:48:F4
- Chain
- WE1 → GTS Root R4
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 Sep 29, 2026.
Never get surprised by long-tengda.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch long-tengda.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.