gelsenkirchen.de

HTML metadata

Technology

Server

nginx

Third-party hosts loaded (2)

• ads2.gelsen.net×2
• gelsenkirchen-podcast.podigee.io×1

Social

• facebook
• twitter
• instagram

Contact

Email

• stadt@gelsenkirchen.de

Registration

Updated

2026-05-13

Name servers

• ns1.nodesecure.com.
• ns2.nodesecure.de.

DNS records live

NS

• ns1.nodesecure.com
• ns2.nodesecure.de

MX

• 100 filter.gkd-el.de
• 50 mailgw.gkd-el.de

Verified for

• Apple
• Cisco
• Google
• Microsoft 365

Email authentication strong

SPF

v=spf1 mx ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; rua=mailto:t2ardjkj@ag.dmarcian.com

policy: reject (enforced)

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.gelsenkirchen.de/de/default.aspx

present

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

findings

• missing Content Security Policy
• missing Permissions Policy

Links to (4)

• facebook.com×3
• gelsendienste.de×3
• instagram.com×3
• twitter.com×3

Linked from (21)

• staedtetag.de×3
• gelsensport.de×2
• eurobits.de×2
• jobs-in-gelsenkirchen.de×2
• ruhrmusikschulen.de×2
• sgv-gelsenkirchen.de×2
• ecouleur.com×2
• friedhoefe-gelsenkirchen.de×2
• studierendenwerke-nrw.de×2
• palette-nrw.de×2
• gelsendienste.de×2
• staedtetag-nrw.de×2
• digital-hub-ruhr.de×2
• awo-gelsenkirchen.de×2
• stiftung-proausbildung.de×1
• gkd-el.de×1
• generationennetz-ge.de×1
• mängelmelderpro.de×1
• klima-werk.de×1
• ingoappelt.de×1
• evocenta.com×1