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nationaleblockchaincursus.nl

.nl crawl

First seen 2026-05-23 · Last seen 2026-05-23 · pending crawled 2026-05-31 2 attempts

NL · 136.144.222.158 · AS20857 Signet B.V.

Reputation 100/100

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'www.dutchblockchaincoalition.org'. (_ssl.c:1000)

Registration

Registrar
team.blue nl B.V.
Created
2019-08-21
Updated
2021-11-22
Name servers
  • ns0.transip.net
  • ns1.transip.nl
  • ns2.transip.eu

DNS records live

NS
  • ns0.transip.net
  • ns1.transip.nl
  • ns2.transip.eu
MX
  • 10 nationaleblockchaincursus.nl

Email authentication strong

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:56bda6191d@rep.dmarcanalyzer.com; ruf=mailto:56bda6191d@for.dmarcanalyzer.com; pct=100; fo=1
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-05 to 2026-08-03
Expires in 63 days

Full certificate history on crt.sh ↗

Linked from (1)