indexo.dev

christianheilmann.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1461 ms crawled 2026-05-18

US · 50.62.223.222 · AS26496 GoDaddy.com, LLC

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Christian Heilmann
Language
en-US
Feeds

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • storage.buzzsprout.com×1

Social

Contact

Email
Address
Christian Heilmannis the blog ofChristian Heilmannchris@christianheilmann.com(Please do not contact me about guest posts, I don't do those!) aPrincipal Program Managerliving and working inBerlin,Germany.

Registration

Registrar
Wild West Domains, LLC
Created
2009-08-13
Expires
2026-08-13 85 days left
Updated
2025-08-14
Name servers
  • ns1.mediatemple.net
  • ns2.mediatemple.net

DNS records live

NS
  • ns1.mediatemple.net
  • ns2.mediatemple.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
TXT
Show 6 TXT records
  • 2h8ovpv4u6lu28s3geg1lrd1qi
  • leqsufmmri51u9ilmmmadco72c
  • notokenfound
  • 3hsb74vcu38270diagefs3bo71
  • nvvei1vi4n9rv9mv937o2hiefs
  • 2iijoct8m0qkvnlip3ujshpj1m

Email authentication weak

SPF
v=spf1 a mx include:_spf.google.com ip4:64.13.192.0/20 ip4:64.207.129.164/30 ip4:216.70.64.0/24 ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-09-20 to 2026-10-10
Expires in 143 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://christianheilmann.com/

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 (6)