astron.nl

.nl dns crawl

First seen 2026-05-19 · Last seen 2026-05-31 · ok HTTP/1.1 200 26681 ms crawled 2026-05-26

NL · 195.169.155.206 · AS1103 SURF B.V.

Reputation 100/100

Classifying

HTML metadata

Title
ASTRON | Making discoveries in radio astronomy happen
Description
ASTRON is the Netherlands Institute for Radio Astronomy, and is part of the Institutes organisation of NWO.
Language
en-US
Canonical
https://www.astron.nl/

Open Graph

url
https://www.astron.nl/
title
ASTRON | Making discoveries in radio astronomy happen
locale
en_US
site name
ASTRON
description
ASTRON is the Netherlands Institute for Radio Astronomy, and is part of the Institutes organisation of NWO.

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (3)

  • cdn.shortpixel.ai×1
  • cdnjs.cloudflare.com×1
  • m12.mailplus.nl×1

Social

DNS records live

NS
  • dns1.astron.nl
  • dns2.astron.nl
  • ns1.surfnet.nl
MX
  • 0 astron-nl.mail.protection.outlook.com
TXT
  • have-i-been-pwned-verification=40a66e40dd2faedbc7271c230f65c913
  • DomainVerification=KYSSARPYEUQUS3VT4XZUZ38M3C5IS4Z93GOQDCDLLT3Q2VUCW86XTZA4IXSVPMQJ
Verified for
  • Apple
  • Google
  • Microsoft 365
  • Miro

Email authentication strong

SPF
v=spf1 include:c05aw084hi.powerspf.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; sp=none; rua=mailto:8xyzadw5yr@rua.powerdmarc.com; ruf=mailto:8xyzadw5yr@ruf.powerdmarc.com; pct=100; fo=1;
policy: reject (enforced) · sp=none
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDALLLpka3B/iO5z5hj5acnsyPKS8/FD/V8I/qctqeZwf+2rTmYrm9jZGTTtssH3+5kNzrZMmHvAtC2acnQ80…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8ByBeP2pqu8q9Dz3jSSw/WCPVQzaYNHXKhzDLeuKbmD4sj96ZFhgRzSZjpxNhio33iezd9LW+e4ztk…
selectors probed

Certificate (current)

E7
from 2026-04-25 to 2026-07-24
Expires in 54 days

HTTP security headers

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

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
Header values
referrer-policy
same-origin
x-frame-options
SAMEORIGIN
permissions-policy
accelerometer=(),autoplay=(),camera=(),display-capture=(),document-domain=(),encrypted-media=(),fullscreen=(),geolocation=(),gyroscope=(),magnetometer=(),microphone=(),midi=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),sync-xhr=(self),usb=(),web-share=(),xr-spatial-tracking=()
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'; upgrade-insecure-requests; object-src 'none';base-uri 'none'
strict-transport-security
max-age=31536000

Links to (18)

Linked from (4)