indexo.dev

nayuki.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 6137 ms crawled 2026-05-19

US · 142.93.122.137 · AS14061 DigitalOcean, LLC

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title
Project Nayuki
Language
en
Canonical
https://www.nayuki.io/

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

DNS records live

NS
  • brad.ns.cloudflare.com
  • zara.ns.cloudflare.com
MX
  • 5 mail.eigenstate.org
Verified for
  • Google

Email authentication weak

SPF
v=spf1 ip4:206.124.132.107 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-03 to 2026-08-01
Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.nayuki.io/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (2)

Linked from (1)