deltabau.de

.de crawl dns

First seen 2026-05-09 · Last seen 2026-05-15 · ok HTTP/1.1 200 3389 ms crawled 2026-05-15

DE · 83.246.45.80 · AS24679 kyberio GmbH

Reputation 100/100

Classifying

HTML metadata

Title: Delta Bau: Bauträger, Baubetreuer, Erschließung | Hannover
Language: de-DE
Generator: TYPO3 CMS
Canonical: https://www.deltabau.de/

Technology

Server: Apache

Analytics

Google Tag Manager

Cookie consent

Cookiebot

Third-party hosts loaded (2)

consent.cookiebot.com×1
www.googletagmanager.com×1

Social

Contact

Email

kontakt@deltabau.de

Phone

0511280060

Registration

Updated

2016-12-09

Name servers

dns1.vision-connect.de.
dns2.vision-connect.de.
frankfurt.nic.xlink.net.

DNS records live

NS

dns1.vision-connect.de
dns2.vision-connect.de
frankfurt.nic.xlink.net

MX

10 mailin.deltabau.de

TXT

v=DMARC1; p=none

Email authentication strong

SPF

v=spf1 a mx include:_spf.vision-connect.de include:_spf.aareon.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:netadmin@deltabau.de; ruf=mailto:netadmin@deltabau.de

policy: quarantine

DKIM

s1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvdINFNNDhycAo+S5tAzkXmpAupVcUexR+Rv4o1sHkkNVao9XAAYK3u3QfJoABilGb3SRMQEi0+Mr0M…

selectors probed

Certificate (current)

R12

from 2026-05-10 to 2026-08-08

Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.deltabau.de/

present

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

findings

missing Content Security Policy
weak content type protection
missing Permissions Policy

Header values

referrer-policy: strict-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff, nosniff
strict-transport-security: max-age=31536000