indexo.dev

techniekopleiding.nl

.nl crawl

First seen 2026-05-16 · Last seen 2026-05-30 · ok HTTP 200 10577 ms crawled 2026-05-20

US · 104.198.14.52 · AS396982 Google LLC

Reputation 100/100

DNS records live

NS
  • nsauth1.bit.nl
  • nsauth2.bit.nl
  • nsauth3.bit.org
MX
  • 50 d313369.b.ess.de.barracudanetworks.com
  • 60 d313369.a.ess.de.barracudanetworks.com
Verified for
  • Brevo
  • Dynamics 365
  • Meta
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.sendinblue.com include:mailplus.nl include:_spf.zivver.com include:spf-breaks-email.bit.nl include:spf.oplg.nl ip4:77.95.98.224/27 ip4:213.136.12.0/24 ip4:87.251.45.232/27 ip6:2001:7b8:3:5::25:0/112 -all
strict (-all)
DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc@mailinblue.com!10m,mailto:rua+techniekopleiding.nl@dmarc.barracudanetworks.com; ruf=mailto:dmarc@mailinblue.com!10m,mailto:ruf+techniekopleiding.nl@dmarc.barracudanetworks.com
policy: reject (enforced)
DKIM
Show 4 DKIM selectors
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzDSqeVO/c00MqJ68G9a2TNW71kilGzoa74HEaTk3tAyAEnLdwwyriRioIKrqwY9wHysoCijdnM2n2q…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnyGCnUabaOxp+0QDv4kBH+3BjdwzCbGMq7kgzPGq/Gp2YB38y419mGFPpMP0PLhne/pkwm5bzjeFrYCLCE…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3+HZQvU24BcOzxhOh1yTipS55+7E/GbGomQ8+IQ8acq9ydsVZZSglsa8ElR5aW6+7kYBHsF+pYXrYztPOD5Xue8…
selectors probed

Certificate (current)

E7
from 2026-04-26 to 2026-07-25
Expires in 55 days

Full certificate history on crt.sh ↗

Linked from (50)