zisoo.nl

.nl dns crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 245 ms crawled 2026-05-31

DE · 78.47.201.151 · AS24940 Hetzner Online GmbH

Reputation 100/100

sector tech type homepage

HTML metadata

Title: Zisoo | Ruby on Rails specialist
Description: Zisoo is sinds 2008 expert op het gebied van web en mobiele development. Gespecialiseerd in Ruby on Rails (ror) applicaties. Van het programmeren van eenvoudige websites tot complexe webapplicaties.
Language: nl

Technology

Server: nginx
CMS: Nuxt
JS framework: Nuxt, Vue

Fonts

Google Fonts

Third-party hosts loaded (4)

fonts.googleapis.com×3
challenges.cloudflare.com×1
maps.googleapis.com×1
webreader.naturalreaders.com×1

Contact

Address: 1119 PD, Schiphol-Rijk, NH, Nederland

DNS records live

NS

ns1.zisoo.nl
ns2.zisoo.eu
ns3.zisoo.net
ns4.zisoo.org

MX

10 aspmx.l.google.com
20 alt1.aspmx.l.google.com
20 alt2.aspmx.l.google.com
30 alt3.aspmx.l.google.com
30 alt4.aspmx.l.google.com

Email authentication strong

SPF

v=spf1 include:mail.registrar.eu include:_spf.google.com ip4:159.69.220.135 ip6:2a01:4f8:1c1a:632e::1 -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarc@zisoo.nl; pct=100; fo=1

policy: quarantine

DKIM

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD191JoL6Sga3iWFAah+as3C/eZiKi2PIjE9iiVMnrU0HTPAOqAVvCmLqObN7fQGhbtbgZIxN6nA35AP+BVpt…

selectors probed

Certificate (current)

R12

from 2026-05-04 to 2026-08-02

Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://zisoo.nl/

present

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

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing Permissions Policy

Header values

referrer-policy: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: default-src * data: 'unsafe-eval' 'unsafe-inline'
strict-transport-security: max-age=31536000; includeSubDomains; preload