indexo.dev

waltmandevelopment.nl

.nl crawl

First seen 2026-05-22 · Last seen 2026-05-28 · pending crawled 2026-06-01 4 attempts

NL · 45.81.52.65 · AS208418 Sonexus B.V.

Reputation 67/100 wrong cert no dmarc policy

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self-signed certificate (_ssl.c:1000)

Registration

Registrar
Concera Internet & Automation
Created
2010-01-07
Updated
2025-06-19
Name servers
  • n1.concera.nl
  • n2.concera.nl
  • n3.concera.nl

DNS records live

NS
  • n1.concera.nl
  • n2.concera.nl
  • n3.concera.nl
MX
  • 10 mail.waltmandevelopment.nl

Email authentication weak

SPF
v=spf1 +a +mx -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

Plesk
from 2024-06-12 to 2025-06-12
Expired 356 days ago

Full certificate history on crt.sh ↗

Linked from (2)