indexo.dev

fourmilab.ch

.ch crawl

First seen 2026-05-11 · Last seen 2026-05-13 · ok HTTP/1.1 200 4210 ms crawled 2026-05-16

DE · 52.28.236.0 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Fourmilab
Language
en
Feeds

Technology

Server
Apache

DNS records live

NS
  • ns-1463.awsdns-54.org
  • ns-1903.awsdns-45.co.uk
  • ns-209.awsdns-26.com
  • ns-614.awsdns-12.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication partial

SPF
v=spf1 include:_spf.google.com ip4:193.8.230.0/24 ip4:52.28.236.0 ip4:3.123.190.28 ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-02 to 2026-07-01
Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://fourmilab.ch/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubDomains

Linked from (3)