e.titech.ac.jp - robtex.com

e.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
PTRtitechdns-o.noc.titech.ac.jp
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
PTRtitechdns-s.noc.titech.ac.jp
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 #2

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 ⭐
TXTgoogle-site-verification=sEA5LrILIEApBN_TmrcwgzYpGxnjq6bV9lluZGkgTJE
TXTv=spf1 include:_spf.m.titech.ac.jp ~all
SOAns1.noc.titech.ac.jpnoc-admin@noc.titech.ac.jp 2026-07-14 #1
WOT: SAFE (74/100)
rank #6478 globally
rank #119 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #17,719

Subdomains

sc.e.titech.ac.jp
ict.e.titech.ac.jp
ee.e.titech.ac.jp

Same first word

e.com.pl
e.sale
e.mu
e.nu
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e.org.pl
e.ki
e.st
e.vip
e.cm
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e.fund
e.com.mx
e.cr
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e.gd.cn
e.tt
e.plus
e.co
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e.ie
e.works
e.swinoujscie.pl
e.zp.ua
e.mw
e.gov.kz
e.gov.ua
e.kz
e.hu
e.football
e.akamaiedge.net
e.farm
e.vacations
e.irish
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e.dealer
e.gov.vn
e.cv
e.sc
e.me
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e.hbo
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e.holiday
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e.tf
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e.hm
e.codes
e.biz
e.tc
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e.game
e.tw.cn
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e.trading
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e.leclerc
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e.pn
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e.sklep.pl
e.org.cn
e.ac
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e.healthcare
e.cooking
e.news
e.mba
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e.gov.kw
e.zip
e.pisa.it
e.pl
e.gt
e.tv
e.pw
e.world
e.sv
e.inc
e.am
e.ms
e.dk
e.art
e.foundation
e.gg

Similar names

e.org.ee
e.sy
e.kg
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e.net.kw
e.car
e.toscana.it
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e.social
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e.cg
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e.florist
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e.life
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e.email
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e.radio.fm
e.singles
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e.tatamotors
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e.blogspot.com.es
e.ltd
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e.photos
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e.je
e.dentist
e.systems
e.srl
e.fyi
e.sh.cn
e.shoes
e.lilly
e.com.ua
e.com.br

DNS History

4 records (4 active, 0 former)

NSdns-o.net.titech.ac.jptitechdns-o.noc.titech.ac.jptitechdns-s.noc.titech.ac.jpMXfilter.nap.gsic.titech.ac.jp
●NSdns-o.net.titech.ac.jp2026-04-02 → 2026-07-20 · 2 obs
● 2026-04-02 12:38:42
● 2026-07-20 22:08:34
●NStitechdns-o.noc.titech.ac.jp2026-04-02 → 2026-07-20 · 2 obs
● 2026-04-02 12:38:42
● 2026-07-20 22:08:34
●NStitechdns-s.noc.titech.ac.jp2026-04-02 → 2026-07-20 · 2 obs
● 2026-04-02 12:38:42
● 2026-07-20 22:08:34
●MXfilter.nap.gsic.titech.ac.jp2026-04-02 → 2026-07-20 · 2 obs
● 2026-04-02 12:38:42
● 2026-07-20 22:08:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpc.dns.jp, a.dns.jp, b.dns.jp, h.dns.jp...-
titech.ac.jptitechns2-s.noc.titech.ac.jp, titechns2-o.noc.titech.ac.jp, ns.fujisawa.wide.ad.jp2 records
e.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: 1338ms | Queries: -

📄 Records

TypeCountSample Data
NS2titechdns-o.noc.titech.ac.jp, titechdns-s.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-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp, titechdns-s.noc.titech.ac.jp...)

Analysis

Hierarchy

e.titech.ac.jp is a parent domain, with sc.e.titech.ac.jp, ict.e.titech.ac.jp and ee.e.titech.ac.jp beneath it.

Name Servers

e.titech.ac.jp has three name servers — dns-o.net.titech.ac.jp, titechdns-o.noc.titech.ac.jp and titechdns-s.noc.titech.ac.jp.

e.titech.ac.jp has at least partial name server overlap with other domains, such as 80.112.131.in-addr.arpa, chem.titech.ac.jp, nr.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 resolves to 131.112.125.57 and 2403:4440:40:997::125:57.

titechdns-s.noc.titech.ac.jp resolves to 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 resolves to 131.112.125.54.

Mail Servers

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

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

The mail servers of e.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.

filter.nap.gsic.titech.ac.jp points to one IP number — 131.112.13.7.