cs.titech.ac.jp - robtex.com

cs.titech.ac.jp

DNSSEC⚠️ Not signed
NSdns-o.net.titech.ac.jp ⭐
A131.112.125.54🇯🇵 TITECH131.112.0.0/16 Tokyo Institute of Technology
NStitechdns-o.noc.titech.ac.jp
A2403:4440:40:997::125:57🇯🇵 TITECH2403:4440::/32 Tokyo Institute of Technology X-Keiro: as9367@noc.titech.ac.jp
A131.112.125.57🇯🇵 TITECH131.112.0.0/16 Tokyo Institute of Technology
NStitechdns-s.noc.titech.ac.jp
A2403:4440:50:947::181:57🇯🇵 TITECH2403:4440::/32 Tokyo Institute of Technology X-Keiro: as9367@noc.titech.ac.jp
A131.112.181.57🇯🇵 TITECH131.112.0.0/16 Tokyo Institute of Technology
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
SOAdns-o.net.titech.ac.jproot@dns-o.net.titech.ac.jp 2026-03-27 #1

titech.ac.jp

DNSSEC⚠️ Not signed
A131.112.125.17🇯🇵 TITECH131.112.0.0/16 Tokyo Institute of Technology
NSns1.noc.titech.ac.jp ⭐
NSns.fujisawa.wide.ad.jp
NStitechns2-o.noc.titech.ac.jp
NStitechns2-s.noc.titech.ac.jp
MXfilter.nap.gsic.titech.ac.jp ⭐
TXTv=spf1 include:_spf.m.titech.ac.jp ~all
TXTgoogle-site-verification=sEA5LrILIEApBN_TmrcwgzYpGxnjq6bV9lluZGkgTJE
SOAns1.noc.titech.ac.jpnoc-admin@noc.titech.ac.jp 2026-07-14 #1
WOT: SAFE (60/100)
rank #6541 globally
rank #121 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #17,690

Subdomains

psg.cs.titech.ac.jp
de1.cs.titech.ac.jp
bi.cs.titech.ac.jp
se.cs.titech.ac.jp
ss.cs.titech.ac.jp
img.cs.titech.ac.jp
sa0.cs.titech.ac.jp
sde.cs.titech.ac.jp
www.cs.titech.ac.jp
ai2.cs.titech.ac.jp
backbone.cs.titech.ac.jp
ks.cs.titech.ac.jp
gw.cs.titech.ac.jp
lambda.cs.titech.ac.jp
fuji2.cs.titech.ac.jp
arch.cs.titech.ac.jp

Same first word

cs.krakow.pl
cs.support
cs.la
cs.ca
cs.pl
cs.zone
cs.engineering
cs.com.uy
cs.kiev.ua
cs.ht
cs.surgery
cs.media
cs.run
cs.exchange
cs.link
cs.gov.tw
cs.chat
cs.team
cs.trade
cs.com.es
cs.net
cs.com.tr
cs.ua
cs.bs
cs.kz
cs.is
cs.immo
cs.cl
cs.go.kr
cs.com.tw
cs.id.au
cs.hn.cn
cs.lc
cs.gg
cs.sn.cn
cs.ru
cs.lt
cs.cool
cs.com.au
cs.co.uk
cs.nl
cs.legal
cs.cm
cs.lutsk.ua
cs.co
cs.ac.th
cs.ge
cs.edu.br
cs.simplesite.com
cs.hr
cs.com.pt
cs.ro
cs.gs
cs.js.cn
cs.nu
cs.fyi
cs.plus
cs.com.ua
cs.edu.hk
cs.ind.br
cs.de
cs.casa
cs.uy
cs.inc
cs.se
cs.uk
cs.vg
cs.uz
cs.no
cs.at
cs.kinghost.net
cs.pn
cs.help
cs.cheap
cs.or.at
cs.sa
cs.ai
cs.gen.tr
cs.money
cs.cz
cs.torun.pl
cs.pp.se
cs.church
cs.com.cn
cs.by
cs.am
cs.casino
cs.hu
cs.sg
cs.guru
cs.ms
cs.limited
cs.codes
cs.energy
cs.hopto.org
cs.cx
cs.capital
cs.lv
cs.hl.cn
cs.expert

Similar names

sc.ph
sc.io
sc.qa
sc.edu.cn
sc.org
sc
sc.edu.vn
sc.edu
sc.care
sc.news
sc.idv.tw
sc.ci
sc.org.pl
sc.la
sc.agency
sc.capital
cs.to
cs.org.tw
cs.g12.br
cs.co.id
sc.tz
sc.cz
sc.mp
cs.biz.pl
sc.ac.kr
sc.kr
cs.tips
sc.qld.gov.au
sc.team
sc.lt
sc.serveftp.com
sc.associates
cs.kg
cs.dog
cs.do
cs.agency
cs.cuiaba.br
cs.international
sc.com.ph
cs.tc
cs.gov.tj
cs.deals
sc.uk
cs.biz
cs.hk
sc.ru
sc.org.au
cs.com.pl
sc.inf.br
sc.go.kr
cs.net.au
cs.ws
cs.org.ua
sc.gl
sc.sy
cs.tools
cs.ae
sc.nu
cs.lg.ua
cs.computer
cs.vc
cs.rs
cs.dk
cs.ac.kr
cs.style
cs.fail
sc.mba
cs.co.za
sc.gov.cn
sc.com.tw
sc.co
cs.systems
cs.sk
cs.training
cs.com.eg
cs.cn
cs.com
cs.coach
cs.gallery
cs.dev
cs.org
sc.is
sc.com.uy
cs.reisen
cs.bio
sc.si
cs.cq.cn
sc.gov.br
cs.fi
sc.com.au
sc.com.tr
cs.accountants
cs.mn
sc.com.sg
sc.no
sc.ee
sc.je
cs.new
sc.fyi
cs.su
cs.ventures
cs.insure
sc.house
sc.co.kr
cs.bank
cs.com.sg
sc.edu.pl
cs.email
sc.org.lk
sc.com.na
cs.io
cs.hn
sc.nl
cs.gd
cs.co.nz
sc.digital
cs.house
sc.net.ua
cs.org.mk
cs.be
cs.gt
cs.center
cs.design
sc.cpa
cs.network
cs.co.il
sc.kiev.ua
cs.net.pl
sc.or.kr
sc.com.ly
sc.in.th
sc.ventures
sc.gop
sc.nz

DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026NSdns-o.net.titech.ac.jptitechdns-o.noc.titech.ac.jptitechdns-s.noc.titech.ac.jpdns-s.net.titech.ac.jpns2.noc.titech.ac.jpMXfilter.nap.gsic.titech.ac.jp
●NSdns-o.net.titech.ac.jp2015-08-16 → 2026-07-19 · 2 obs
● 2015-08-16 18:16:36
● 2026-07-19 09:46:42
○NSdns-s.net.titech.ac.jp2015-08-16 → 2016-03-01 · 4 obs
● 2015-08-16 18:16:36
● 2016-03-01 00:33:12
○ 2026-03-23 06:39:20
○ 2026-07-19 09:46:42
○NSns2.noc.titech.ac.jp2015-08-16 → 2016-03-01 · 4 obs
● 2015-08-16 18:16:36
● 2016-03-01 00:33:12
○ 2026-03-23 06:39:20
○ 2026-07-19 09:46:42
●NStitechdns-o.noc.titech.ac.jp2026-03-23 → 2026-07-19 · 3 obs
○ 2016-03-01 00:33:12
● 2026-03-23 06:39:20
● 2026-07-19 09:46:42
●NStitechdns-s.noc.titech.ac.jp2026-03-23 → 2026-07-19 · 3 obs
○ 2016-03-01 00:33:12
● 2026-03-23 06:39:20
● 2026-07-19 09:46:42
●MXfilter.nap.gsic.titech.ac.jp2015-08-16 → 2026-07-19 · 2 obs
● 2015-08-16 18:16:36
● 2026-07-19 09:46:42

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:131.112.181.57

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: 1537ms | Queries: -

📄 Records

TypeCountSample Data
NS2titechdns-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp
MX1filter.nap.gsic.titech.ac.jp (pri: 10)
TXT1v=spf1 include:_spf.m.titech.ac.jp ~all
SOA1dns-o.net.titech.ac.jp root.dns-o.net.ti

📌 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

cs.titech.ac.jp serves as parent to psg.cs.titech.ac.jp, de1.cs.titech.ac.jp, bi.cs.titech.ac.jp, se.cs.titech.ac.jp, ss.cs.titech.ac.jp along with a few other host names.

Name Servers

Three name servers are authoritative for cs.titech.ac.jp: dns-o.net.titech.ac.jp, titechdns-o.noc.titech.ac.jp and titechdns-s.noc.titech.ac.jp.

cs.titech.ac.jp has at least partial name server overlap with other domains, such as valdes.titech.ac.jp, isl.titech.ac.jp, mei.titech.ac.jp and two others.

dns-o.noc.titech.ac.jp, dns-s.net.titech.ac.jp and ns2.noc.titech.ac.jp — plus 4 other name servers — are commonly paired with these name servers.

Host names that have two IP addresses:

titechdns-o.noc.titech.ac.jp maps to two IP addresses — 131.112.125.57 and 2403:4440:40:997::125:57.

titechdns-s.noc.titech.ac.jp maps to two IP addresses — 131.112.181.57 and 2403:4440:50:947::181:57.

Host names that point to one IP address:

dns-o.net.titech.ac.jp points to the IP address 131.112.125.54.

Mail Servers

The sole mail server for cs.titech.ac.jp is filter.nap.gsic.titech.ac.jp.

Among the domains sharing a mail server setup with cs.titech.ac.jp are arch.titech.ac.jp, net.titech.ac.jp, dis.titech.ac.jp and two others.

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

These mail servers often co-occur with the mail servers 84834ba746d227f8e5ff1167b816e6f3c06bc85a.msv1.invalid.isl.titech.ac.jp.

There is one IP number for filter.nap.gsic.titech.ac.jp: 131.112.13.7.