indexo.dev

sutton-signwriting.io

.io crawl

First seen 2026-05-03 · Last seen 2026-05-10 · ok HTTP/1.1 200 3493 ms crawled 2026-05-10

US · 23.254.166.192 · AS54290 Hostwinds LLC.

Reputation 62/100 listed in spam blocklist weak security headers no dmarc policy

Classifying

HTML metadata

Title
Sutton SignWriting
Description
a website of information and resources about the Sutton SignWriting script
Language
en
Canonical
https://www.sutton-signwriting.io/

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (2)

  • cdnjs.cloudflare.com×3
  • i.creativecommons.org×1

Social

DNS records live

NS
  • mdns7.hostwindsdns.com
  • mdns8.hostwindsdns.com
MX
  • 10 in1-smtp.messagingengine.com
  • 20 in2-smtp.messagingengine.com

Email authentication weak

SPF
v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-19 to 2026-06-17
Expires in 27 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.sutton-signwriting.io/

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

Links to (15)

Linked from (1)