mail.it4.school - robtex.com

mail.it4.school

DNSSEC⚠️ Not signed
A162.55.227.254🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC
PTRsysfn-web00.de

it4.school

DNSSEC⚠️ Not signed
A162.55.227.254🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC
NSit4.school.it4.school ⭐
NSns.second-ns.com
NSns1.your-server.de
NSns3.second-ns.de
MXmail.it4.school ⭐
TXTv=spf1 +a +mx +a:sysfn-web00.de +a:mcow01.it4.school -all
SOAit4.school.it4.schoolsupport@sys-fn.de.it4.school 2026-01-26 #0

MX for

it4.school

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DNS History

1 record (1 active, 0 former)

A162.55.227.254
●A162.55.227.2542026-03-23 → 2026-03-25 · 2 obs
● 2026-03-23 15:03:16
● 2026-03-25 05:11:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
schoolv0n0.nic.school, v0n1.nic.school, v0n2.nic.school, v0n3.nic.school...12 records
it4.schoolns.second-ns.com, ns1.your-server.de, ns3.second-ns.de-

✅ Authoritative Response

Server:213.239.204.242

NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for it4.school (unsigned zone)

⏱️ Timing

Total: 901ms | Queries: -

📄 Records

TypeCountSample Data
A1162.55.227.254

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.school, v0n1.nic.school, v0n2.nic.school...)

Analysis

Mail Server Role

mail.it4.school serves as the mail server for it4.school.

IP Addresses

mail.it4.school points to a single IP: 162.55.227.254.

Other host names, for instance sysfn-web00.de, systemhaus-fn.de, hieberschule-uhingen.de, it4.school and gsravensburg.de share IP numbers with mail.it4.school.