indexo.dev

kwadrant-sgr.nl

.nl crawl

First seen 2026-06-03 · Last seen 2026-06-04 · ok HTTP/1.1 200 602 ms crawled 2026-06-03

NL · 171.33.132.21 · AS28878 Signet B.V.

Reputation 100/100

Classifying

HTML metadata

Title
Kwadrant Scholengroep
Language
nl-NL
Generator
WordPress 7.0
Canonical
https://kwadrant-sgr.nl/
Feeds

Technology

Server
nginx
CMS
WordPress 7.0
PHP
8.4.21
jQuery
3.7.1

Contact

Email
Phone

DNS records live

NS
  • ns1.leaseweb.nl
  • ns4.leaseweb.net
  • ns5.leaseweb.nl
MX
  • 10 kwadrantsgr-nl02b.mail.protection.outlook.com
TXT
  • < 17.02.2023 >
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx include:spf.protection.outlook.com include:spf.eu.exclaimer.net ip4:145.140.5.151 ip4:171.33.132.0/26 ip6:2001:4cb8:dcb:c018::15 a:smtp.magister.net ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-19 to 2026-08-17
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://kwadrant-sgr.nl/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (3)

Linked from (2)