Domain · Tranco #114,155

falstad.com

falstad.com is ranked #114,155 among the world's most-visited sites (Tranco). It resolves to 104.21.73.66, hosted on cloudflare, and presents a TLS certificate issued by Google Trust Services.

HTTP 200
Tranco rank#114,155
IPv4104.21.73.66, 172.67.140.233
IPv62606:4700:3037::ac43:8ce9, 2606:4700:3031::6815:4942
Hosting / reverse DNScloudflare
Hosting networkAS13335 · CLOUDFLARENET - Cloudflare, Inc., US
Nameserversdiva.ns.cloudflare.com, ray.ns.cloudflare.com
Mail servers (MX)mail.falstad.com (10)
HTTP status200
Web servercloudflare
Page titlePaul Falstad
Detected techcloudflare, Cloudflare
TLS certificateGoogle Trust Services · expires 2026-10-29

Notable DNS TXT records

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FAQ

What is the IP address of falstad.com?

falstad.com resolves to 104.21.73.66, 172.67.140.233 (cloudflare).

Who issued the SSL certificate for falstad.com?

The TLS/SSL certificate for falstad.com was issued by Google Trust Services, valid until 2026-10-29.

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DNS/HTTP/TLS observed 2026-08-07; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains