indexo.dev

gresser.net

.net crawl

First seen 2026-05-11 · Last seen 2026-05-16 · ok HTTP 200 18198 ms crawled 2026-05-16

DE · 91.233.84.211 · AS20647 IPB Internet Provider in Berlin GmbH

Reputation 67/100 wrong cert no dmarc policy

Registration

Registrar
CSL Computer Service Langenbach GmbH d/b/a joker.com
Created
1999-04-12
Expires
2027-04-12 325 days left
Updated
2025-11-28
Name servers
  • ns1.prodns.de
  • ns2.prodns.de
  • ns3.prodns.de

DNS records live

NS
  • ns1.prodns.de
  • ns2.prodns.de
  • ns3.prodns.de
MX
  • 10 antispam.gresser.net
Verified for
  • Meta
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com a:antispam.gresser.net -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2025-10-28 to 2026-11-26
Expires in 188 days

Full certificate history on crt.sh ↗

Linked from (1)