900grad.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-08 · ok HTTP/1.1 200 2344 ms crawled 2026-05-06

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 100/100

Classifying

HTML metadata

Title: Ihre moderne Steuerkanzlei in Hamburg, Kiel und Rendsburg
Description: 900Grad bietet Steuerberatung, Wirtschaftsprüfung und nachhaltige Lösungen für Ihr Unternehmen. Erfahren Sie mehr!
Language: de-DE
Canonical: https://www.900grad.de

Technology

CDN: Cloudflare

Third-party hosts loaded (4)

cdn.prod.website-files.com×29
cdn.jsdelivr.net×1
cloud.ccm19.de×1
d3e54v103j8qbb.cloudfront.net×1

Social

Contact

Email

besser@900grad.de

Phone

Registration

Updated

2022-07-24

Name servers

helium.ns.hetzner.de.
hydrogen.ns.hetzner.com.
oxygen.ns.hetzner.com.

DNS records live

NS

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

MX

10 maildomain.datevnet.de
20 maildomain.datevnet.com

TXT

MS=ms56296506

Email authentication strong

SPF

v=spf1 include:spf.cmf-websolutions.de include:mail.zendesk.com include:spf.protection.outlook.com include:datevnet._spf.datev.de include:spf.mailjet.com include:spf.mandrillapp.com a mx -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:postmaster@900grad.de; ruf=mailto:postmaster@900grad.de; pct=100; fo=1;

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0Nt1RiCXlayz6xptiWaYq0nDZkXE+PnyubcZuRXmDY6HAfUGjhFIZA44uCMmQ6ds0wUgRToxbNDNu/…

selectors probed

Certificate (current)

WE1

from 2026-03-21 to 2026-06-19

Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.900grad.de/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=31536000