indexo.dev

circulardesignchallenge.de

.de crawl

First seen 2026-04-19 · Last seen 2026-04-19 · error HTTP 403 crawled 2026-05-15 5 attempts

DE · 141.76.19.21 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 82/100 crawl error no dmarc policy

http 403

Registration

Updated
2026-03-12
Name servers
  • adns1.zih.tu-dresden.de.
  • adns2.zih.tu-dresden.de.
  • ns2.inwx.de.
  • ns.inwx.de.

DNS records live

NS
  • adns1.zih.tu-dresden.de
  • adns2.zih.tu-dresden.de
  • ns.inwx.de
  • ns2.inwx.de
MX
  • 0

Email authentication weak

SPF
v=spf1 -all
strict (-all)
DMARC
not published
DKIM
Show 12 DKIM selectors
  • default: v=DKIM1; p=
  • google: v=DKIM1; p=
  • selector1: v=DKIM1; p=
  • selector2: v=DKIM1; p=
  • k1: v=DKIM1; p=
  • k2: v=DKIM1; p=
  • mail: v=DKIM1; p=
  • dkim: v=DKIM1; p=
  • s1: v=DKIM1; p=
  • s2: v=DKIM1; p=
  • mxvault: v=DKIM1; p=
  • smtpapi: v=DKIM1; p=
selectors probed

Certificate (current)

GEANT TLS ECC 1
from 2026-04-17 to 2026-11-02
Expires in 166 days

Full certificate history on crt.sh ↗

Linked from (1)