indexo.dev

theoptimist.nl

.nl crawl

First seen 2026-05-16 · Last seen 2026-05-31 · ok HTTP 200 5532 ms crawled 2026-05-20

NL · 217.170.16.55 · AS29001 DMA Computer Services

Reputation 94/100 dmarc monitor-only

Registration

Registrar
Realtime Register
Created
2012-12-10
Updated
2021-11-30
Name servers
  • ns3.argewebhosting.nl
  • ns2.argewebhosting.com
  • ns1.argewebhosting.eu

DNS records live

NS
  • ns1.argewebhosting.eu
  • ns2.argewebhosting.com
  • ns3.argewebhosting.nl
MX
  • 5 theoptimist-nl.mail.protection.outlook.com
TXT
  • org-www-adres=94.124.120.67
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com include:mailplus.nl ip4:5.172.47.133 include:mailgun.org -all
strict (-all)
DMARC
v=DMARC1;p=none;rua=mailto:dmarc@smtpeter.com
policy: none (monitoring only)
DKIM
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
selectors probed

Certificate (current)

R12
from 2026-05-04 to 2026-08-02
Expires in 62 days

Full certificate history on crt.sh ↗

Linked from (4)