indexo.dev

jasperzwartjes.nl

.nl crawl

First seen 2026-05-25 · Last seen 2026-05-25 · ok HTTP/1.1 200 2529 ms crawled 2026-05-30

DE · 188.245.88.92 · AS24940 Hetzner Online GmbH

Reputation 67/100 listed in spam blocklist no dmarc policy

Classifying

HTML metadata

Title
home - Jasper Zwartjes
Language
en

Technology

Server
nginx
CMS
Gatsby

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.amphora.nl
  • ns2.amphora.nl
  • ns3.amphora.nl
MX
  • 10 mail.jasperzwartjes.nl

Email authentication weak

SPF
v=spf1 a mx ip4:141.138.202.81 include:spf.amphora.nl ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-30 to 2026-07-29
Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://jasperzwartjes.nl/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (3)

Linked from (1)