Tellstack

What filen.io is built with

Read on 2026-10-28 19:34. 10 technologies spotted.

TechnologyCategoryVersionConfidenceTell
CloudflareCDN100%dns NS: kirk.ns.cloudflare.com
Cloudflare DNSHosting100%dns NS: kirk.ns.cloudflare.com
HSTSSecurity100%headers strict-transport-security: max-age=31536000; includeSubDomains; prel
Let's EncryptSSL/TLS certificate authorities100%certIssuer: Let's Encrypt, YR1
MailjetEmail100%dns TXT: zoho.eu include:spf.mailjet.com include:_spf.scw-tem.cloud include:send
NginxWeb servers, Reverse proxies100%headers server: nginx
Open GraphMiscellaneous100%dom meta[property*='og:']: <meta property="og:title" content="Filen – Next Generation End-To-End Encrypted Cloud Storage">
PWAMiscellaneous100%dom link[rel='manifest']: <link rel="manifest" href="/site.webmanifest">
Priority HintsPerformance100%dom iframe[fetchpriority], img[fetchpriority], script[fetchpriority], link[fetchpriority]: <link rel="preload" as="script" fetchPriority="low" href="/_next/static/chunks/3kgidlob4o0ld.js">
SendgridEmail100%dns TXT: w-tem.cloud include:sendgrid.net -all

Look up any site with GET /v1/lookup?domain=filen.io. Start free.