`sc.ctrl.titech.ac.jp`

DNSSEC	⚠️ Not signed
NS	`dns-o.net.titech.ac.jp` ⭐
		A	131.112.125.54^{🇯🇵 TITECH131.112.0.0/16 Tokyo Institute of Technology}
			PTR	`dns-o.net.titech.ac.jp`
NS	`titechdns-o.noc.titech.ac.jp` ⚠️ Not in parent delegation
		A	2403:4440:40:997::125:57^{🇯🇵 TITECH2403:4440::/32 Tokyo Institute of Technology X-Keiro: as9367@noc.titech.ac.jp}
		A	131.112.125.57^{🇯🇵 TITECH131.112.0.0/16 Tokyo Institute of Technology}
			PTR	`titechdns-o.noc.titech.ac.jp`
NS	`titechdns-s.noc.titech.ac.jp` ⚠️ Not in parent delegation
		A	2403:4440:50:947::181:57^{🇯🇵 TITECH2403:4440::/32 Tokyo Institute of Technology X-Keiro: as9367@noc.titech.ac.jp}
		A	131.112.181.57^{🇯🇵 TITECH131.112.0.0/16 Tokyo Institute of Technology}
			PTR	`titechdns-s.noc.titech.ac.jp`
MX	`filter.nap.gsic.titech.ac.jp` ⭐
		A	131.112.13.7^{🇯🇵 TITECH131.112.0.0/16 Tokyo Institute of Technology}
SOA	`dns-o.net.titech.ac.jp`root@dns-o.net.titech.ac.jp 2026-03-27 #2

`ctrl.titech.ac.jp`

	DNSSEC	⚠️ Not signed
	NS	`dns-o.net.titech.ac.jp` ⭐
	NS	`titechdns-o.noc.titech.ac.jp`
	NS	`titechdns-s.noc.titech.ac.jp`
	MX	`filter.nap.gsic.titech.ac.jp` ⭐
	TXT	`v=spf1 include:_spf.m.titech.ac.jp ~all`
	SOA	`dns-o.net.titech.ac.jp`root@dns-o.net.titech.ac.jp 2026-02-06 #0

WOT: SAFE (62/100)
WOT: SAFE (72/100)

Same first word

sc.com.ph

sc.uk

sc.ru

sc.org.au

sc.inf.br

sc.go.kr

sc.gl

sc.sy

sc.nu

sc.mba

sc.gov.cn

sc.com.tw

sc.co

sc.is

sc.com.uy

sc.si

sc.gov.br

sc.com.au

sc.com.tr

sc.com.sg

sc.no

sc.ee

sc.je

sc.fyi

sc.house

sc.co.kr

sc.edu.pl

sc.org.lk

sc.com.na

sc.nl

sc.digital

sc.net.ua

sc.cpa

sc.kiev.ua

sc.or.kr

sc.com.ly

sc.in.th

sc.ventures

sc.gop

sc.nz

sc.com

sc.art.pl

sc.com.my

sc.lv

sc.com.ua

sc.lk

sc.edu.au

sc.cl

sc.am

sc.gov

sc.gg

sc.net.pk

sc.fr

sc.ac.th

sc.k12.mo.us

sc.archi

sc.edu.my

sc.marketing

sc.tc

sc.sg

sc.sh

sc.def.br

sc.be

sc.rs

sc.net

sc.co.ke

sc.holdings

sc.co.nz

sc.by

sc.com.es

sc.leg.br

sc.kz

sc.sc

sc.link

sc.services

sc.biz

sc.run

sc.center

sc.hu

sc.net.sa

sc.ua

sc.co.uk

sc.pl

sc.net.au

sc.ca

sc.com.br

sc.co.at

sc.dk

sc.selfip.com

sc.me.uk

sc.kg

sc.vc

sc.school

sc.cn

sc.ws

sc.gov.ua

sc.gob.sv

sc.ae

sc.df.gov.br

sc.mil.ru

sc.cx

sc.de

Similar names

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

DNS History

5 records (4 active, 1 former)

●NSdns-o.net.titech.ac.jp2015-08-06 → 2026-07-18 · 2 obs

● 2015-08-06 08:25:54
● 2026-07-18 19:42:38

○NSdns-s.net.titech.ac.jp2015-08-06 → 2017-03-08 · 4 obs

● 2015-08-06 08:25:54
● 2017-03-08 14:26:32
○ 2026-07-09 11:36:44
○ 2026-07-18 19:42:38

●NStitechdns-o.noc.titech.ac.jp2026-07-09 → 2026-07-18 · 3 obs

○ 2017-03-08 14:26:32
● 2026-07-09 11:36:44
● 2026-07-18 19:42:38

●NStitechdns-s.noc.titech.ac.jp2026-07-09 → 2026-07-18 · 3 obs

○ 2017-03-08 14:26:32
● 2026-07-09 11:36:44
● 2026-07-18 19:42:38

●MXfilter.nap.gsic.titech.ac.jp2015-08-06 → 2026-07-18 · 2 obs

● 2015-08-06 08:25:54
● 2026-07-18 19:42:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
titech.ac.jp	titechns2-o.noc.titech.ac.jp, titechns2-s.noc.titech.ac.jp, ns.fujisawa.wide.ad.jp	2 records
ctrl.titech.ac.jp	titechdns-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp	4 records

✅ Authoritative Response

Server:131.112.181.57

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1094ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`titechdns-o.noc.titech.ac.jp, titechdns-s.noc.titech.ac.jp`
MX	1	`filter.nap.gsic.titech.ac.jp (pri: 5)`
SOA	1	`dns-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

Name Servers

The authoritative name servers for sc.ctrl.titech.ac.jp are dns-o.net.titech.ac.jp, titechdns-o.noc.titech.ac.jp and titechdns-s.noc.titech.ac.jp — three in total.

The name servers of sc.ctrl.titech.ac.jp overlap at least partially with those of other domains — among them zc.iir.titech.ac.jp, 60.112.131.in-addr.arpa, res.titech.ac.jp and two more.

These name servers commonly appear in delegations together with dns-o.noc.titech.ac.jp, dns-s.net.titech.ac.jp, stdns-o.noc.cii.isct.ac.jp and 4 other.

Host names pointing to two IP addresses:

titechdns-o.noc.titech.ac.jp directs traffic to 131.112.125.57 and 2403:4440:40:997::125:57.

titechdns-s.noc.titech.ac.jp directs traffic to 131.112.181.57 and 2403:4440:50:947::181:57.

Host names resolving to a single IP address:

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

Mail Servers

sc.ctrl.titech.ac.jp uses one mail server — filter.nap.gsic.titech.ac.jp.

The mail server setup of sc.ctrl.titech.ac.jp matches that of other domains such as geo.titech.ac.jp, jim.titech.ac.jp, pi.titech.ac.jp and two others.

sc.ctrl.titech.ac.jp has mail servers in common with other domains — isl.titech.ac.jp being one example.

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

sc.ctrl.titech.ac.jp - robtex.com