astronomie.nl
HTML metadata
Technology
- Server
- Apache
- Stack
- PHP
- Analytics
-
- Google Tag Manager
- Fonts
-
- Google Fonts
Third-party hosts loaded (3)
- fonts.googleapis.com×1
- maxcdn.bootstrapcdn.com×1
- www.googletagmanager.com×1
Social
DNS records live
- NS
-
- ns1.argewebhosting.eu
- ns2.argewebhosting.com
- ns3.argewebhosting.nl
- MX
-
- 1 mail.strw.leidenuniv.nl
Email authentication weak
- SPF
-
v=spf1 mx a ~allsoftfail (~all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R12
Expires in 40 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- x-content-type-options
- findings
-
- missing Content Security Policy
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-frame-options
SAMEORIGIN- x-content-type-options
nosniff- strict-transport-security
max-age=63072000
Links to (6)
- youtube.com×1
- twitter.com×1
- tremani.nl×1
- mastodon.nl×1
- facebook.com×1
- eso.org×1