lambda.cs.titech.ac.jp - robtex.com

lambda.cs.titech.ac.jp

DNSSEC⚠️ Not signed
MXfilter.nap.gsic.titech.ac.jp ⭐
A131.112.13.7🇯🇵 TITECH131.112.0.0/16 Tokyo Institute of Technology
TXTv=spf1 include:_spf.m.titech.ac.jp ~all

cs.titech.ac.jp

DNSSEC⚠️ Not signed
NSdns-o.net.titech.ac.jp ⭐
NStitechdns-o.noc.titech.ac.jp
NStitechdns-s.noc.titech.ac.jp
MXfilter.nap.gsic.titech.ac.jp ⭐
TXTv=spf1 include:_spf.m.titech.ac.jp ~all
SOAdns-o.net.titech.ac.jproot@dns-o.net.titech.ac.jp 2026-03-27 #1
WOT: SAFE (63/100)
WOT: SAFE (60/100)

Subdomains

alpha.lambda.cs.titech.ac.jp

Same first word

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DNS History

1 record (1 active, 0 former)

MXfilter.nap.gsic.titech.ac.jp
●MXfilter.nap.gsic.titech.ac.jp2026-03-27 → 2026-07-19 · 2 obs
● 2026-03-27 22:33:48
● 2026-07-19 21:47:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
titech.ac.jptitechns2-s.noc.titech.ac.jp, ns.fujisawa.wide.ad.jp, titechns2-o.noc.titech.ac.jp2 records
cs.titech.ac.jptitechdns-o.noc.titech.ac.jp, titechdns-s.noc.titech.ac.jp4 records

✅ Authoritative Response

Server:131.112.125.57

NS records: titechdns-o.noc.titech.ac.jp, titechdns-s.noc.titech.ac.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for titech.ac.jp (unsigned zone)

⏱️ Timing

Total: 1117ms | Queries: -

📄 Records

TypeCountSample Data
MX1filter.nap.gsic.titech.ac.jp (pri: 10)
TXT1v=spf1 include:_spf.m.titech.ac.jp ~all

📌 Glue Records Collected

Total: 6

In-bailiwick: 2 (titechns2-o.noc.titech.ac.jp, titechns2-s.noc.titech.ac.jp)

Out-of-bailiwick: 4 (titechdns-o.noc.titech.ac.jp, titechdns-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp...)

Analysis

Hierarchy

lambda.cs.titech.ac.jp serves as the parent of alpha.lambda.cs.titech.ac.jp.

Mail Servers

lambda.cs.titech.ac.jp has one mail server: filter.nap.gsic.titech.ac.jp.

lambda.cs.titech.ac.jp shares the same mail server setup as other domains, including sde.cs.titech.ac.jp, ce.titech.ac.jp, o.cc.titech.ac.jp and two others.

The mail servers of lambda.cs.titech.ac.jp are at least partially shared with other domains, including isl.titech.ac.jp.

filter.nap.gsic.titech.ac.jp directs to just one IP number, 131.112.13.7.