indexo.dev

a51hosting.com

.com dns crawl

First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 2592 ms crawled 2026-05-15

NL · 5.255.68.48 · AS50673 Serverius Holding B.V.

Reputation 94/100 dmarc monitor-only

sector tech type homepage

HTML metadata

Title
Klantensysteem Home - A51 Hosting
Language
en

Technology

Server
nginx
CMS
Joomla
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • cdnjs.cloudflare.com×1
  • fonts.googleapis.com×1

Social

Contact

Email
Phone

Registration

Registrar
Key-Systems GmbH
Created
2010-03-19
Expires
2027-03-19 303 days left
Updated
2026-03-20
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 a51hosting-com.mail.protection.outlook.com
TXT
  • MS=3E232678728933FAB211FAB7F63395D0AF3F97C9
  • google-site-verification=xesUobKSmAmqo4HlMace-BgnOByXO9BThGWMlq-3lvU

Email authentication partial

SPF
v=spf1 a mx include:_spf.a51hosting.com include:spf.protection.outlook.com include:_spf.elasticemail.com -all
strict (-all)
DMARC
v=DMARC1; p=none; pct=100; rua=mailto:re+cilrglwfofj@dmarc.postmarkapp.com,mailto:a51hosting-d@dmarc.report-uri.com; sp=none; aspf=r;
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-03-15 to 2026-09-30
Expires in 133 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://a51hosting.com/

present
  • strict-transport-security
  • content-security-policy-report-only
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • short HSTS max-age
  • missing Content Security Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
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=()
x-content-type-options
nosniff
strict-transport-security
max-age=60
content-security-policy-report-only
default-src 'self'; font-src fonts.gstatic.com; frame-src www.google.com; img-src data: www.gravatar.com; script-src-elem cdnjs.cloudflare.com www.google-analytics.com www.google.com www.gstatic.com; style-src-attr 'unsafe-inline'; style-src-elem 'unsafe-inline' fonts.googleapis.com; report-uri https://a51hosting.report-uri.com/r/d/csp/wizard

Links to (5)