ctc.ac.jp - robtex.com

ctc.ac.jp

DNSSEC⚠️ Not signed
A219.94.129.221🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1181.sakura.ne.jp
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXms.ctc.ac.jp ⭐
A219.94.129.221🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1181.sakura.ne.jp
TXTMS=C7542B65358539B2543ADE3307849CA0BFA51AF1
TXTgoogle-site-verification=xYQYlNrf7IYeLKStQyZwvGLmo_ZkYg-lmzcd80YJR0I
TXTv=spf1 a:www1181.sakura.ne.jp mx ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1708001714

ac.jp

DNSSEC⚠️ Not signed
TXTac.jp.
WOT: SAFE (61/100)
WOT: SAFE (80/100)

Subdomains

ms.ctc.ac.jp

Same first word

ctc.church
ctc.gov.ng
ctc.jp
ctc.bg
ctc.co.th
ctc.in
ctc.co.il
ctc.ge
ctc.no
ctc.bm
ctc.or.kr
ctc.com.mx
ctc.ba
ctc.ac.th
ctc.jo
ctc.edu.au
ctc.co.jp
ctc.edu.za
ctc.com.vn
ctc.com.sg
ctc.com
ctc.com.pk
ctc.nhs.uk
ctc.pt
ctc.com.br
ctc.care
ctc.fc.it
ctc.ie
ctc.org
ctc.sa
ctc.org.ge
ctc.gr.jp
ctc.sd
ctc.kz
ctc.email
ctc.net.vn
ctc.biz
ctc.hu
ctc.su
ctc.edu.uy
ctc.cl
ctc.ac.nz
ctc.rocks
ctc.mobi
ctc.tv
ctc.azurewebsites.net
ctc.fi
ctc.agency
ctc.lat
ctc.org.uk
ctc.me
ctc.sk
ctc.uk.com
ctc.dk
ctc.org.hk
ctc.ms
ctc.ru
ctc.de
ctc.run
ctc.sx.cn
ctc.gov.qa
ctc.com.qa
ctc.sg
ctc.org.pk
ctc.nl
ctc.edu
ctc.co.uk
ctc.media
ctc.com.au
ctc.net.pk
ctc.kiev.ua
ctc.ac.kr
ctc.life
ctc.pl
ctc.to
ctc.services
ctc.uz
ctc.gov.kw
ctc.net.nz
ctc.my
ctc.org.tw
ctc.net.au
ctc.vn
ctc.mx
ctc.ad.jp
ctc.gr
ctc.fm
ctc.cu
ctc.net
ctc.co
ctc.gov.tw
ctc.ac.uk
ctc.construction
ctc.solutions
ctc.edu.et
ctc.nm.cn
ctc.edu.do
ctc.cc
ctc.at
ctc.coop
ctc.training
ctc.com.ua
ctc.ne.jp
ctc.fr
ctc.com.tw
ctc.co.za
ctc.ac.jp
ctc.ca
ctc.net.jo
ctc.ee
ctc.be
ctc.ac.cn
ctc.co.kr
ctc.it
ctc.guru
ctc.plus
ctc.se
ctc.lv
ctc.com.tr

Similar names

tcc.cl
tcc.ua
tcc.ca
tcc.edu
tcc.us
cct.com.br
tcc.se
cct.lv
tcc.or.kr
cct.de
cct.org.nz
tcc.com.pl
tcc.gov.ge
cct.yn.cn
tcc.kz
tcc.net.au
cct.jp
cct.be
cct.ne.jp
tcc.io
cct.ac.th
cct.biz
tcc.name
tcc.com.cn
cct.sk
tcc.bg
cct.nu
tcc.world
cct.hu
cct.eu
cct.tools
tcc.com.pe
tcc.sg
cct.me
cct.edu.cn
cct.co.uk
cct.net.au
cct.org.tn
tcc.org.sg
tcc.eu.com
cct.hk
tcc.com.au
tcc.tv
cct.ws
tcc.mr
cct.systems
tcc.tokyo
tcc.com.tr
cct.es
tcc.international
tcc.ge
cct.nl
tcc.nsw.edu.au
tcc.org.br
tcc.hk
tcc.qld.edu.au
cct.idv.tw
cct.com.my
cct.ltd
tcc.uk
tcc.church
cct.ru
cct.co.th
tcc.com.fj
tcc.ac.th
cct.bg

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns.at-link.ad.jpsv.freez-md.jpMXms.ctc.ac.jpA219.94.129.221
●NS01.dnsv.jp2016-02-07 → 2026-04-12 · 3 obs
○ 2015-11-12 13:14:56
● 2016-02-07 02:15:12
● 2026-04-12 04:43:28
●NS02.dnsv.jp2016-02-07 → 2026-04-12 · 3 obs
○ 2015-11-12 13:14:56
● 2016-02-07 02:15:12
● 2026-04-12 04:43:28
●NS03.dnsv.jp2016-02-07 → 2026-04-12 · 3 obs
○ 2015-11-12 13:14:56
● 2016-02-07 02:15:12
● 2026-04-12 04:43:28
●NS04.dnsv.jp2016-02-07 → 2026-04-12 · 3 obs
○ 2015-11-12 13:14:56
● 2016-02-07 02:15:12
● 2026-04-12 04:43:28
○NSns.at-link.ad.jp2015-06-13 → 2015-11-12 · 4 obs
● 2015-06-13 21:29:02
● 2015-11-12 13:14:56
○ 2016-02-07 02:15:12
○ 2026-04-12 04:43:28
○NSsv.freez-md.jp2015-06-13 → 2015-11-12 · 4 obs
● 2015-06-13 21:29:02
● 2015-11-12 13:14:56
○ 2016-02-07 02:15:12
○ 2026-04-12 04:43:28
●MXms.ctc.ac.jp2015-06-13 → 2026-04-12 · 2 obs
● 2015-06-13 21:29:02
● 2026-04-12 04:43:28
●A219.94.129.2212015-06-13 → 2026-04-12 · 2 obs
● 2015-06-13 21:29:02
● 2026-04-12 04:43:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
ctc.ac.jp01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.35.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 921ms | Queries: -

📄 Records

TypeCountSample Data
A1219.94.129.221
NS401.dnsv.jp, 02.dnsv.jp...
MX1ms.ctc.ac.jp (pri: 30)
TXT3MS=C7542B65358539B2543ADE3307849CA0BFA51, google-site-verification=xYQYlNrf7IYeLKS...
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

Hierarchy

ctc.ac.jp is the parent of ms.ctc.ac.jp.

IP Addresses

ctc.ac.jp resolves to a single IP: 219.94.129.221.

Other host names, for instance www1181.sakura.ne.jp, asoh.co.jp, iningyo.com, mccatalog.jp and ms.ctc.ac.jp share IP numbers with ctc.ac.jp.

Name Servers

ctc.ac.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

ctc.ac.jp shares some name servers with other domains, for example maxkobe.com, souken-life.co.jp, cocoscompany.com, hashibun.co.jp and qazwsx.net.

Host names with two IP numbers:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53

Mail Servers

ctc.ac.jp is handled by a single mail server, ms.ctc.ac.jp.

Host name ms.ctc.ac.jp points to IP 219.94.129.221.