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drnk.ch

.ch crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 464 ms crawled 2026-05-31

CH · 149.126.4.36 · AS47302 cyon AG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Dr. Neven Kostic | Structural engineering | Tragwerksplannung
Description
Neven Kostic Website Home

Technology

Third-party hosts loaded (1)

  • maxcdn.bootstrapcdn.com×2

DNS records live

NS
  • ns1.cyon.ch
  • ns2.cyon.ch
MX
  • 0 drnk-ch.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.cyon.net include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzeylmITg0Gg8nKgR/5YkqER/L1veAYcXxjN15JTO7ZmQvMYylUziNaolchJ7AE0BLTpv/RGCc5uun2…
selectors probed

Certificate (current)

R13
from 2026-04-18 to 2026-07-17
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://drnk.ch/

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

Linked from (1)