claudiuspeters.com

HTML metadata

Technology

Server

nginx

CMS

WordPress

Analytics

• Google Tag Manager

Third-party hosts loaded (1)

• www.googletagmanager.com×1

Social

• facebook
• linkedin
• youtube
• instagram

Registration

Registrar

EPAG Domainservices GmbH

Created

2002-01-07

Expires

2027-01-07 232 days left

Updated

2026-01-08

Name servers

• ns1.langleyholdings.com
• ns2.langleyholdings.com

DNS records live

NS

• ns1.langleyholdings.com
• ns2.langleyholdings.com

MX

• 10 de-smtp-inbound-1.mimecast.com
• 10 de-smtp-inbound-2.mimecast.com

TXT

Show 5 TXT records

• 2i6ldttos797pijd3ek2pqh46e
• knowbe4-site-verification=64783efaf2b575c73807f34f0466d39c
• MS=ms62077301
• 0ed1fe018a049010e557ed40cf86b3626718c7cfaf
• autodesk-domain-verification=sf3OOQTZrPzW6RCTkn_L

Email authentication strong

SPF

v=spf1 a mx ip4:139.29.127.29 ip4:194.180.114.215 include:de._netblocks.mimecast.com include:_spf.psm.knowbe4.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc_reports@langleyholdings.com; ruf=mailto:dmarc_reports@langleyholdings.com; fo=1

policy: reject (enforced)

DKIM

• mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCiyl3DvBSm9rfLwrY/sDhsSimBUvdVsLt7Fl3A21fxWuLwbnlriBqnxb2VNh1Sp9YsdR7gyfQOr49ON1fDtZ…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.claudiuspeters.com/

present

• x-frame-options
• x-content-type-options

findings

• missing HSTS
• missing Content Security Policy
• missing Referrer Policy
• missing Permissions Policy

Links to (9)

• cementconference.org×3
• cemnet.com×3
• facebook.com×3
• ficem.org×3
• instagram.com×3
• langleyholdings.com×3
• linkedin.com×3
• vimeo.com×3
• youtube.com×3

Linked from (2)

• harter-gmbh.de×3
• cementconference.org×2