indexo.dev

dutchtechnologyweek.com

.com crawl

First seen 2026-05-25 · Last seen 2026-05-25 · error crawled 2026-06-03 5 attempts

NL · 213.154.226.65 · AS12859 BIT BV

Reputation 57/100 wrong cert crawl error no dmarc policy

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

Registration

Registrar
Tucows Domains Inc.
Created
2011-12-19
Expires
2026-12-19 198 days left
Updated
2025-11-20
Name servers
  • ns0.claranet.com
  • ns1.clara.net
  • ns2.claranet.com

DNS records live

NS
  • ns0.claranet.com
  • ns1.clara.net
  • ns2.claranet.com
MX
  • 10 dutchtechnologyweek-com.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.mailjet.com include:_spf.mailplus.nl include:spf.protection.outlook.com include:spf.mandrillapp.com -all
strict (-all)
DMARC
not published
DKIM
  • smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…
selectors probed

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2026-01-10 to 2026-12-22
Expires in 201 days

Full certificate history on crt.sh ↗

Linked from (1)