indexo.dev

calderacademie.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · pending HTTP 404 crawled 2026-06-02 2 attempts

NL · 37.97.129.20 · AS20857 Signet B.V.

Reputation 69/100 wrong cert dmarc monitor-only

http 404

DNS records live

NS
  • ns0.transip.net
  • ns1.transip.nl
  • ns2.transip.eu
MX
  • 0 calderacademie-nl.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 ip4:51.105.97.62/32 ip4:20.73.224.168/32 ip4:37.74.81.153 a:mail.calderholding.nl include:spf.protection.outlook.com include:spf-breaks-email.bit.nl include:spf.mandrillapp.com include:_spf.calderholding.io include:_spf.onlinespamfilter.nl include:_spf.qp-mail.eu -all
strict (-all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current) wrong cert

R12
from 2026-04-15 to 2026-07-14
Expires in 41 days

Full certificate history on crt.sh ↗

Linked from (1)