indexo.dev

i-st.net

.net dns

First seen 2026-05-02 · Last seen 2026-05-19 · ok HTTP/1.1 200 1833 ms crawled 2026-05-09

DE · 80.148.52.75 · AS3320 Deutsche Telekom AG

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
I-ST.net | systemhaus

Technology

Server
nginx

Contact

Email
Phone

Registration

Registrar
EPAG Domainservices GmbH
Created
1997-06-07
Expires
2026-06-06 17 days left
Updated
2025-07-13
Name servers
  • ns.i-st.net
  • ns2.i-st.net
  • ns3.i-st.net

DNS records live

NS
  • ns.i-st.net
  • ns2.i-st.net
  • ns3.i-st.net
MX
  • 10 mx03.i-st.net
  • 10 mx04.i-st.net
TXT
  • MS=73F59C5A11561826141814B48C9E54E75B8D9C79

Email authentication partial

SPF
v=spf1 include:spf.i-st.net include:spf.hornetsecurity.com include:spf.protection.outlook.com a:smtp.epag.de ip4:212.123.34.97 ip4:192.132.245.15 ip4:168.245.102.208 ip4:51.144.183.77 -all
strict (-all)
DMARC
v=DMARC1; p=none; fo=1; rua=mailto:bd579d80@mxtoolbox.dmarc-report.com; ruf=mailto:bd579d80@forensics.dmarc-report.com;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-26 to 2026-07-25
Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://i-st.net/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)