indexo.dev

interstuhl.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-05 · ok HTTP 200 4602 ms crawled 2026-05-07

DE · 80.154.78.86 · AS3320 Deutsche Telekom AG

Reputation 89/100 weak security headers dmarc monitor-only

Registration

Updated
2024-09-18
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
  • 40 mail.gbc.net
TXT
Show 7 TXT records
  • google-gws-recovery-domain-verification=63747933
  • google-site-verification=koPkbIjMOz3Vi-fs1ixs4FCu7ytkTt0FemvaLwiD0Tg
  • duo_sso_verification=Dn0T2oyKg4x45vsOClZ3I5yQL8JFod0os11UdoNRgOIMm6sR9eNJKegFi1Q3xIv1
  • apple-domain-verification=WSLKw82N7wPHFDC1
  • brevo-code:52d6f04d47b582d045370f4c512aca4a
  • brevo-code:7490af8a25b5dab59af8c2c9e42925bb
  • bw=O3iFggnEF7ZmPFUboeHxnAp3ja+oCa3Lw5EVK1t4FPnA

Email authentication strong

SPF
v=spf1 mx a:mail.interstuhl.de ip4:116.203.0.102 ip4:116.203.236.213 ip4:142.132.182.144 ip4:212.97.96.0/19 include:mail.zendesk.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@interstuhl.de!10m; ruf=mailto:dmarc@interstuhl.de!10m; rf=afrf; sp=reject; ri=86400
policy: none (monitoring only) · sp=reject
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClkl8kkBEVt6TGtDhwIu0+AtFHlT10rGWbm4hiwUb58JDLEVztTTyfE94CxLdiKe70S9MTmkAmKRLBl5Nw/C…
  • mail: v=DKIM1; k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+ls…
selectors probed

Certificate (current)

R13
from 2026-04-20 to 2026-07-19
Expires in 61 days

Full certificate history on crt.sh ↗

Linked from (1)