indexo.dev

forrefs.de

.de crawl

First seen 2026-04-23 · Last seen 2026-04-27 · pending HTTP 403 crawled 2026-05-16 4 attempts

US · 104.21.86.189 · AS13335 Cloudflare, Inc.

Reputation 100/100

cloudflare bot challenge

Registration

Updated
2023-02-09
Name servers
  • marissa.ns.cloudflare.com.
  • merlin.ns.cloudflare.com.

DNS records live

NS
  • marissa.ns.cloudflare.com
  • merlin.ns.cloudflare.com
MX
  • 10 forrefs-de.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 a ip4:78.137.98.43 include:spf.protection.outlook.com include:inxserver.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:admin@lehrerwelt.de; ruf=mailto:admin@lehrerwelt.de; pct=100
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKx6oeu91HCWSWc02zpOAP9IbOtTETivtOgadm9R6oCCb2GvIj3qRYymRxPB3iAXLyeHMfO/8igKddxS2XGg…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDfXysEAWe0hPcMGebHUI17HUHA14r1xgnCR+tNygAdiXQ5BZCcIq+QmSCd4kuOVd6aOeJtQ9jM9dwydKkyqP…
selectors probed

Certificate (current)

WE1
from 2026-03-23 to 2026-06-21
Expires in 31 days

Full certificate history on crt.sh ↗

Linked from (2)