indexo.dev

ibn-online.de

.de crawl

First seen 2026-05-29 · Last seen 2026-05-31 · error HTTP 404 crawled 2026-06-03 5 attempts

DE · 212.97.104.113 · AS24766 GBC GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikation

Reputation 82/100 crawl error no dmarc policy

http 404

Registration

Updated
2025-02-28
Name servers
  • ns.gbc.gmbh.
  • ns.gbc.green.
  • ns.gbc.jetzt.
  • ns.gbc.red.
  • ns.gbc.systems.

DNS records live

NS
  • ns.gbc.gmbh
  • ns.gbc.green
  • ns.gbc.jetzt
  • ns.gbc.red
  • ns.gbc.systems
MX
  • 10 mxa-003df401.gslb.pphosted.com
  • 20 mxb-003df401.gslb.pphosted.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a mx ip4:212.97.96.0/19 ip4:78.94.249.36 ip4:88.99.64.201 ip4:185.132.181.235 ip4:185.183.29.240 ip4:54.77.160.217 include:spf.crsend.com include:spf.protection.outlook.com include:spf-003df401.pphosted.com include:spf.messagelabs.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-08-31 to 2026-10-02
Expires in 120 days

Full certificate history on crt.sh ↗

Linked from (3)