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deoptimistborne.nl

.nl ok HTTP/1.1 200 569 ms

First seen 2026-06-18 · Last seen 2026-06-18 · crawled 2026-06-18

NL · 84.241.168.25 · AS20847 Previder B.V.

Reputation 92/100 no dmarc policy

sector media news subsector blog type landing page

HTML metadata

Title
De Optimist > Home
Language
nl-NL
Canonical
https://www.deoptimistborne.nl/

Open Graph

url
https://www.deoptimistborne.nl/
title
Home

Technology

Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1

DNS records live

NS
  • nsauth1.introweb.nl
  • nsauth2.introweb.nl
  • nsauth3.introweb.net
MX
  • 10 mx.previder.nl
TXT
  • v=DMARC1;p=reject;
Verified for
  • Google

Email authentication weak

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-26 to 2026-07-25
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.deoptimistborne.nl/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
geolocation=()
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (3)

Linked from (1)

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