indexo.dev

core-networks.de

.de dns crawl

First seen 2026-05-02 · Last seen 2026-05-19 · ok HTTP/1.1 200 1085 ms crawled 2026-05-08

DE · 194.213.5.204 · AS29686 Probe Networks

Reputation 100/100

Classifying

HTML metadata

Title
Internet Services für Profis
Description
Hochwertige Internetdienstleistungen - Profi Webhosting, Domains, SSL/TLS-Zertifikate, Nameserver, ...
Language
de

Technology

Server
Apache

Contact

Email
Phone

Registration

Updated
2016-10-16
Name servers
  • ns1.core-networks.de.
  • ns2.core-networks.eu.
  • ns3.core-networks.com.

DNS records live

NS
  • ns1.core-networks.de
  • ns2.core-networks.eu
  • ns3.core-networks.com
MX
  • 10 mx1.core-networks.de
  • 10 mx2.core-networks.de

Email authentication strong

SPF
v=spf1 include:spf.core-networks.de -all
strict (-all)
DMARC
v=DMARC1; p=reject; adkim=s; aspf=r
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-10 to 2026-07-09
Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 100/100 Checked live page: https://www.core-networks.de/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
Header values
referrer-policy
no-referrer, strict-origin-when-cross-origin
x-frame-options
DENY
permissions-policy
accelerometer=(), ambient-light-sensor=(), autoplay=(), battery=(), camera=(), cross-origin-isolated=(), display-capture=(), document-domain=(), encrypted-media=(), execution-while-not-rendered=(), execution-while-out-of-viewport=(), fullscreen=(), geolocation=(), gyroscope=(), keyboard-map=(), magnetometer=(), microphone=(), midi=(), navigation-override=(), payment=(), picture-in-picture=(), publickey-credentials-get=(), screen-wake-lock=(), sync-xhr=(), usb=(), web-share=(), xr-spatial-tracking=(), clipboard-read=(), clipboard-write=(), gamepad=(), speaker-selection=(), conversion-measurement=(), focus-without-user-activation=(), hid=(), idle-detection=(), interest-cohort=(), serial=(), sync-script=(), trust-token-redemption=(), window-placement=(), vertical-scroll=()
x-content-type-options
nosniff
content-security-policy
default-src 'none'; img-src 'self'; script-src 'self'; style-src 'self'; font-src 'self'; connect-src 'self'; base-uri 'self'; form-action 'self' https://iface.core-networks.de; frame-ancestors 'none'; block-all-mixed-content
strict-transport-security
max-age=31536000; includeSubDomains; preload