indexo.dev

konstantinheuer.com

.com crawl

First seen 2026-05-06 · Last seen 2026-05-06 · ok HTTP/1.1 200 1569 ms crawled 2026-05-12

US · 104.21.4.194 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

Technology

CDN
Cloudflare

Registration

Registrar
GoDaddy.com, LLC
Created
2019-08-04
Expires
2027-08-04 441 days left
Updated
2025-08-05
Name servers
  • elly.ns.cloudflare.com
  • mustafa.ns.cloudflare.com

DNS records live

NS
  • elly.ns.cloudflare.com
  • mustafa.ns.cloudflare.com
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
  • google-site-verification=hGjOmVnDVxInHn3gJ337CTESV-LoyiuTH4dxHkTdnrQ

Email authentication partial

SPF
v=spf1 include:secureserver.net include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:audio@konstantinheuer.com
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-03-14 to 2026-06-12
Expires in 24 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)