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zienvooronderwijs.nl

.nl error

First seen 2026-06-17 · Last seen 2026-06-17 · crawled 2026-06-18 ·5 attempts

NL · 20.105.224.6 · AS8075 Microsoft Corporation

Reputation 90/100 crawl error

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1000)

DNS records live

NS
  • ns1.surfnet.nl
  • ns1.zurich.surf.net
  • ns2.surfnet.nl
  • ns3.surfnet.nl
MX
  • 0 zienvooronderwijs-nl.mail.protection.outlook.com
Verified for
  • HARICA

Email authentication strong

SPF
v=spf1 a ip4:192.87.181.11 ip4:85.90.64.176/28 ip4:85.90.64.192/28 ip4:83.247.85.194 include:spf.eu.exclaimer.net include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=100; adkim=r; aspf=r; fo=1; ri=3600; rua=mailto:dmarcreports@driestar-educatief.nl; ruf=mailto:dmarcreports@driestar-educatief.nl;
policy: reject (enforced)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDK+7ZajSKl605lQaYezjf3BnoDeu2QabhM9oMSrpmV7k8R8j2Of/qM158g+I9WMVkuBrtDmwsbrKRmlBwY…
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDvrJADJPYqkzt/zqqDQx9JNE/i4M5Q5EecaUr99uYhWbXLIFPkj9zKwuzmIesfXyYFU1smxSNOFbR09AKiL8…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3d29sajvFb6uxJdbC2ui7EemnFu7hlx8WDFxLCIoNXPQW5UrSgJBfTPzQGpE5ZfoLLHVdma37wopa9A2a02…
selectors probed

Certificate (current)

GEANT OV RSA CA 4
from 2024-09-25 to 2025-09-26
Expired 268 days ago

Full certificate history on crt.sh ↗

Linked from (1)

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