indexo.dev

stichting-open.org

.org crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 2756 ms crawled 2026-05-08

DE · 188.245.156.56 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Stichting OPEN - Stichting OPEN
Language
nl-NL
Canonical
https://www.stichting-open.org/
Translations
  • en
  • nl

Open Graph

url
https://www.stichting-open.org/
title
Stichting OPEN - Stichting OPEN
locale
nl_NL
site name
Stichting OPEN
locale:alternate
en_US

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (1)

  • px.ads.linkedin.com×1

Social

Contact

Email
Phone

Registration

Registrar
Tucows Domains Inc.
Created
2019-12-04
Expires
2027-12-04 563 days left
Updated
2026-02-02
Name servers
  • ns01.hostnet.nl
  • ns02.hostnet.nl

DNS records live

NS
  • ns01.hostnet.nl
  • ns02.hostnet.nl
MX
  • 0 stichtingopen-org02c.mail.protection.outlook.com
TXT
  • sendinbluecode:7d98c1478e1ccb9c9208166d55eb6ded
  • MS=ms45412397

Email authentication strong

SPF
v=spf1 a mx ip4:185.43.80.29 ip4:91.239.32.104 ip4:213.206.90.241 ip4:213.206.90.242 ip4:91.239.32.105 ip4:91.239.32.109 ip4:91.239.32.111 ip4:91.239.33.16 ip4:91.239.32.36 ip4:217.170.17.17 ip6:2001:678:a1c:8000::11:11 include:spf.mandrillapp.com include:spf.tribecrm.nl include:spf.afas.online include:spf.protection.outlook.com include:spf.sendinblue.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:hqaoihilsz@rua.powerdmarc.com; ruf=mailto:hqaoihilsz@ruf.powerdmarc.com; pct=0; fo=1;
policy: reject (enforced) · pct=0
DKIM
Show 5 DKIM selectors
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw70KXd75VAnHgtml5jtOF9FaFaHBlR0ffM g7BK2yMdxDJ+Jxr/ Bpf1pO7zjW+nBc8eID92jUvA6m…
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxmpx3hSZx88BLDY46DhtmLDQln9SlLZH3Lg8cD3QaYkKYn57OEtMyTyA19yWzCMKztnveW8I5WcJVV…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuBUj7z5RTpliqs0Z53L03maM46y5+ORixU3l3AYV7rhe7t0ypyGZvSBlJLy15dG4MYe2DYPGWDhEpK…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • mail: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/ v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/ 5ey0nRBH0ZVxp+lsmTxid2…
selectors probed

Certificate (current)

R13
from 2026-03-16 to 2026-06-14
Expires in 25 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://www.stichting-open.org/

present
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
same-origin

Links to (5)

Linked from (1)