indexo.dev

tcl-lang.org

.org crawl

First seen 2026-05-17 · Last seen 2026-05-21 · ok HTTP/1.1 200 7940 ms crawled 2026-05-21

US · 104.19.243.68 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title
Tcl Developer Site

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights

Third-party hosts loaded (1)

  • static.cloudflareinsights.com×1

Social

Registration

Registrar
Cloudflare, Inc.
Created
2015-10-30
Expires
2026-10-30 151 days left
Updated
2025-10-05
Name servers
  • art.ns.cloudflare.com
  • gina.ns.cloudflare.com

DNS records live

NS
  • art.ns.cloudflare.com
  • gina.ns.cloudflare.com
MX
  • 25 route1.mx.cloudflare.net
  • 65 route2.mx.cloudflare.net
  • 92 route3.mx.cloudflare.net

Email authentication weak

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-21 to 2026-08-19
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.tcl-lang.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (9)

Linked from (1)