bielefeld-marketing.de

HTML metadata

Technology

Server

Apache

CMS

Drupal

Social

• facebook
• instagram
• youtube
• linkedin

Contact

Email

• info@bielefeld-marketing.de

Phone

• +4952155774555

Registration

Updated

2026-02-17

Name servers

• a.ns14.net.
• b.ns14.net.
• c.ns14.net.
• d.ns14.net.

DNS records live

NS

• a.ns14.net
• b.ns14.net
• c.ns14.net
• d.ns14.net

MX

• 10 mx12a.antispameurope.com
• 20 mx12b.antispameurope.com
• 30 mx12c.antispameurope.com
• 40 mx12d.antispameurope.com

TXT

• _yynt0v9hl3u8hnll3u3p28cue6zr72s

Verified for

• Brevo
• Microsoft 365

Email authentication partial

SPF

v=spf1 include:spf.mailjet.com include:antispameurope.com include:spf.bws.burg-gmbh.de include:spf.protection.outlook.com include:spf.u2d.de ip4:193.22.251.0/24 include:agenturserver.de -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

• mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.bielefeld-marketing.de/

present

• x-content-type-options

findings

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

Links to (11)

• bielefeld-convention.de×4
• bielefeld-gutschein.de×3
• canto.de×3
• citybielefeld.de×3
• facebook.com×3
• instagram.com×3
• linkedin.com×3
• matchyourfuture.de×3
• wissenswerkstadt.de×3
• xing.com×3
• youtube.com×3

Linked from (4)

• wissenschaft-in-der-stadt.de×4
• bielefeld-convention.de×3
• dasbewegtebild.de×2
• netgate-it.de×1