indexo.dev

duf.de

.de crawl dns

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP 200 2537 ms crawled 2026-05-07

DE · 192.166.167.145 · AS15743 net.de AG

Reputation 94/100 dmarc monitor-only

Registration

Updated
2026-04-07
Name servers
  • dufdns.work.de.
  • ns.duf.de.

DNS records live

NS
  • dufdns.work.de
  • ns.duf.de
MX
  • 10 mx01.hornetsecurity.com
  • 20 mx02.hornetsecurity.com
  • 30 mx03.hornetsecurity.com
  • 40 mx04.hornetsecurity.com
TXT
  • Bi7asrsoStwcXtjj2ByCmfVNqY1z1AVg00KgABcu0CyviwIiiLVaKwTRPt5RzVlxlQXhM/xWCHXCv+rzdefEQQ==
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 ip4:192.166.164.70 ip4:193.99.145.50 ip4:192.166.162.141 ip4:192.166.167.0/24 ip4:192.166.164.0/24 ip4:192.166.180.65 ip4:192.166.181.20 ip6:2a00:e68:14:908::60 ip6:2a00:e68:14:800::19:19 ip6:2a04:7680:d8f:164::70 include:spf.protection.outlook.com include:spf1.miovent.de include:spf.berlinercloud.net include:spf.hornetsecurity.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; sp=none; rua=mailto:dmarc.report@duf.de
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-17 to 2026-07-16
Expires in 56 days

Full certificate history on crt.sh ↗

Linked from (3)