indexo.dev

modem.io

.io crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 938 ms crawled 2026-05-20

US · 104.26.9.13 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
modem.io
Description
Computer stuff.
Language
en
Generator
Astro v5.13.7
Feeds

Open Graph

url
https://modem.io/blog/
title
modem.io
description
Computer stuff.

Technology

CDN
Cloudflare

Third-party hosts loaded (1)

  • social.horrorhub.club×1

Social

DNS records live

NS
  • chloe.ns.cloudflare.com
  • dante.ns.cloudflare.com
MX
  • 10 mx1.simplelogin.co
  • 20 mx2.simplelogin.co

Email authentication strong

SPF
v=spf1 include:simplelogin.co ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s
policy: quarantine
DKIM
  • dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJudTILTG3qrzQzZzbptozaGQ03B5t5G748PkYB7u08c3VsJ4vqRt2XLAa12/fN8h4kQwFkQKYTVWmQNQFnn…
selectors probed

Certificate (current)

WE1
from 2026-05-11 to 2026-08-09
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://modem.io/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • CSP allows unsafe inline scripts/styles
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
base-uri 'self'; default-src 'none'; connect-src 'self' https://fn.modem.io; script-src 'self'; img-src 'self' data: blob:; style-src 'self' 'unsafe-inline'; font-src 'self'; frame-src 'self' https://codepen.io https://www.youtube.com https://w.soundcloud.com; frame-ancestors 'self'; form-action 'self'
strict-transport-security
max-age=15552000; preload

Links to (2)

Linked from (1)