indexo.dev

oefenweb.nl

.nl error HTTP 400

First seen 2026-06-17 · Last seen 2026-06-17 · crawled 2026-06-19 ·5 attempts

FI · 65.108.75.61 · AS24940 Hetzner Online GmbH

Reputation 90/100 crawl error

http 400

DNS records live

NS
  • ns0.transip.net
  • ns1.transip.nl
  • ns2.transip.eu
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication strong

SPF
v=spf1 a include:_spf.oefenweb.nl include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:root+rua@oefenweb.nl; ruf=mailto:root+ruf@oefenweb.nl; fo=1; adkim=s; aspf=s
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-02-16 to 2027-03-04
Expires in 256 days

Full certificate history on crt.sh ↗

Linked from (1)

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