tkw.ac.jp - robtex.com

tkw.ac.jp

DNSSEC⚠️ Not signed
A202.233.67.108🇯🇵 XSERVER-AS202.233.66.0/23 XSERVER Inc.
PTRsv12587.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXtkw.ac.jp ⭐
A202.233.67.108🇯🇵 XSERVER-AS202.233.66.0/23 XSERVER Inc.
PTRsv12587.xserver.jp
TXTv=spf1 +a:sv12587.xserver.jp +a:tkw.ac.jp +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@xserver.jp serial=0

ac.jp

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

MX for

tkw.ac.jp

Same first word

tkw.com.br
tkw.net
tkw.in
tkw.at
tkw.fr
tkw.com.cn
tkw.nl
tkw.eu
tkw.co.in
tkw.co
tkw.us
tkw.uk
tkw.ch
tkw.cc
tkw.com
tkw.cz
tkw.dk
tkw.pl
tkw.net.au
tkw.org
tkw.jp
tkw.biz.pl
tkw.co.jp
tkw.it
tkw.ac.th
tkw.ac.jp
tkw.es
tkw.ru
tkw.be
tkw.de

Similar names

wkt.de
twk.eu
wkt.com
kwt.fr
ktw.nl
wkt.cn
kwt.at
wtk.ac.th
ktw.es
wkt.vn
ktw.ge
ktw.ch
wtk.cn
twk.biz
twk.sanok.pl
twk.kr
twk.org.za
ktw.kr
wtk.co.uk
twk.cz
twk.szczecin.pl
wtk.poznan.pl
ktw.fr
kwt.mobi
wkt.ca
kwt.media
wkt.events
twk.co.jp
ktw.cz
twk.co.kr
kwt.com.cn
kwt.no
kwt.us
wtk.com.pl
wkt.com.au
wkt.pl
kwt.nl
wkt.ch
kwt.me
kwt.ca
wtk.no
wtk.at
wtk.kz
twk.be
kwt.de
wkt.at
wtk.com
twk.cn
wtk.dk
twk.me
kwt.se
wkt.in
wtk.ir
wtk.se
wtk.be
wkt.com.pl
kwt.net
ktw.jp
wtk.ca
twk.com.sg
ktw.ru
wkt.cz
wtk.fi
twk.org
kwt.in
ktw.co.uk
twk.de
wtk.io
twk.ac.th
wtk.info
wtk.eu
wtk.cz
wtk.ch
kwt.or.at
kwt.com
ktw.ro
wkt.nl
kwt.co
wkt.eu
wkt.or.at
twk.ch
kwt.by
wkt.co
wtk.pl
twk.co.nz

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jps-field1.tkw.ac.jps-field3.sunfield.ne.jps-field4.tkw.ac.jpMXtkw.ac.jppost.sunfield.ne.jpA202.233.67.108
●NSns1.xserver.jp2026-03-26 → 2026-03-30 · 3 obs
○ 2017-04-10 19:50:04
● 2026-03-26 07:11:06
● 2026-03-30 10:10:14
●NSns2.xserver.jp2026-03-26 → 2026-03-30 · 3 obs
○ 2017-04-10 19:50:04
● 2026-03-26 07:11:06
● 2026-03-30 10:10:14
●NSns3.xserver.jp2026-03-26 → 2026-03-30 · 3 obs
○ 2017-04-10 19:50:04
● 2026-03-26 07:11:06
● 2026-03-30 10:10:14
●NSns4.xserver.jp2026-03-26 → 2026-03-30 · 3 obs
○ 2017-04-10 19:50:04
● 2026-03-26 07:11:06
● 2026-03-30 10:10:14
●NSns5.xserver.jp2026-03-26 → 2026-03-30 · 3 obs
○ 2017-04-10 19:50:04
● 2026-03-26 07:11:06
● 2026-03-30 10:10:14
○NSs-field1.tkw.ac.jp2015-08-04 → 2017-04-10 · 4 obs
● 2015-08-04 13:24:06
● 2017-04-10 19:50:04
○ 2026-03-26 07:11:06
○ 2026-03-30 10:10:14
○NSs-field3.sunfield.ne.jp2015-08-04 → 2017-04-10 · 4 obs
● 2015-08-04 13:24:06
● 2017-04-10 19:50:04
○ 2026-03-26 07:11:06
○ 2026-03-30 10:10:14
○NSs-field4.tkw.ac.jp2015-08-04 → 2017-04-10 · 4 obs
● 2015-08-04 13:24:06
● 2017-04-10 19:50:04
○ 2026-03-26 07:11:06
○ 2026-03-30 10:10:14
○MXpost.sunfield.ne.jp2015-08-04 → 2017-04-10 · 4 obs
● 2015-08-04 13:24:06
● 2017-04-10 19:50:04
○ 2026-03-26 07:11:06
○ 2026-03-30 10:10:14
●MXtkw.ac.jp2026-03-26 → 2026-03-30 · 3 obs
○ 2017-04-10 19:50:04
● 2026-03-26 07:11:06
● 2026-03-30 10:10:14
●A202.233.67.1082026-03-26 → 2026-03-30 · 2 obs
● 2026-03-26 07:11:06
● 2026-03-30 10:10:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
tkw.ac.jpns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp...11 records

✅ Authoritative Response

Server:35.72.43.26

NS records: ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1515ms | Queries: -

📄 Records

TypeCountSample Data
A1202.233.67.108
NS5ns3.xserver.jp, ns5.xserver.jp...
MX1tkw.ac.jp (pri: 0)
TXT1v=spf1 +a:sv12587.xserver.jp +a:tkw.ac.j
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Mail Server Role

For tkw.ac.jp, the mail server is tkw.ac.jp.

IP Addresses

tkw.ac.jp resolves to one IP number: 202.233.67.108.

other host names including mail.shosenkyo-kankoukyokai.com, sv12587.xserver.jp, hokutoh-group.co.jp, www.shosenkyo-kankoukyokai.com and tnp-g.jp share IP numbers with tkw.ac.jp.

Name Servers

tkw.ac.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

tkw.ac.jp at least partially shares name servers with other domains, for instance st-inst.co.jp, private-salon-lily.com, toms2000.com, sdrc.jp and amaimono.com.

Host names with three IP numbers:

ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246; ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247; ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number:

ns2.xserver.jp points to: 35.72.43.26; ns3.xserver.jp points to: 202.226.36.247.

Mail Servers

tkw.ac.jp is served by a single mail server, tkw.ac.jp.

tkw.ac.jp resolves to IP 202.233.67.108.