lorentzcenter.nl

HTML metadata

Technology

Server

Apache

Analytics

• Google Tag Manager

Third-party hosts loaded (2)

• kit.fontawesome.com×1
• www.googletagmanager.com×1

Social

• linkedin
• bluesky
• instagram
• facebook

Contact

Phone

• +31 71 527 5400

Registration

Registrar

team.blue nl B.V.

Created

2005-03-22

Updated

2024-12-19

Name servers

• ns1.surfnet.nl
• ns2.surfnet.nl
• ns3.surfnet.nl

DNS records live

NS

• ns1.surfnet.nl
• ns2.surfnet.nl
• ns3.surfnet.nl

MX

• 0 lorentzcenter-nl.h-v1.mx.microsoft

TXT

• 3UiJDBmsSFivEamMZoMEZyx2/bjXNYYlstV9nkiZPcVJQ5wEtm0b7do3KrL2ff6vx+96qIJMyCP04J4UCYWokA==

Verified for

• Microsoft 365

Email authentication strong

SPF

v=spf1 include:_spf.smtp.leidenuniv.nl ip4:136.144.186.95 include:_spf.xqueue.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; pct=100; sp=reject; fo=1; ri=86400; rua=mailto:dmarcreportsrua@issc.leidenuniv.nl; ruf=mailto:dmarcreportsruf@issc.leidenuniv.nl

policy: quarantine · sp=reject

DKIM

• selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv8RqU3b+pxIahpg5FaUnwcbiKyyxfgpN7Pgra6gjiSImb3qi0TWTYGTddTGET3mqyjgwUUeIxqIpKa…
• selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3PLmk83uWAl7CieIH5007m10S4HbIqtW5GM0Si2zRGBVXpXmCSGf0Pb99vra27Z9Tkzd+6l6XSGxbR…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://lorentzcenter.nl/

present

• strict-transport-security
• content-security-policy
• x-frame-options
• x-content-type-options

findings

• weak content type protection
• missing Referrer Policy
• missing Permissions Policy

Links to (6)

• bsky.app×1
• facebook.com×1
• instagram.com×1
• linkedin.com×1
• nwo.nl×1
• universiteitleiden.nl×1

Linked from (4)

• cryptojedi.org×1
• huelsing.net×1
• kannwischer.eu×1
• mseri.me×1