kt-world.jp - robtex.com

kt-world.jp

DNSSEC⚠️ Not signed
A180.131.140.48🇯🇵 AS131921180.131.140.0/22 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRtanaka-studio.co.jp
NSns2.namedserver.net ⭐
A157.120.112.212🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.
A157.120.113.212🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.
A157.120.114.212🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.
NSns.namedserver.net
A157.120.112.212🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.
A157.120.113.212🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.
A157.120.114.212🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.
MXkt-world.jp ⭐
A180.131.140.48🇯🇵 AS131921180.131.140.0/22 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRtanaka-studio.co.jp
MXmail.kt-world.jp ⭐
A180.131.140.48🇯🇵 AS131921180.131.140.0/22 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRtanaka-studio.co.jp
SOAns.namedserver.netroot@namedserver.net serial=2

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1784275203
WOT: SAFE (61/100)

MX for

kt-world.jp

Subdomains

mail.kt-world.jp
www.kt-world.jp

Same first word

kt-world.jp

Similar names

tk-world.net
tk-world.de

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSns.namedserver.netns2.namedserver.netns1.tfgdata.comns2.tfgdata.comMXkt-world.jpmail.kt-world.jpwww.kt-world.jpA180.131.140.48219.105.32.44
●NSns.namedserver.net2017-03-18 → 2026-07-17 · 3 obs
○ 2016-07-10 20:14:52
● 2017-03-18 06:00:36
● 2026-07-17 08:34:10
○NSns1.tfgdata.com2015-07-13 → 2016-07-10 · 4 obs
● 2015-07-13 05:31:02
● 2016-07-10 20:14:52
○ 2017-03-18 06:00:36
○ 2026-07-17 08:34:10
●NSns2.namedserver.net2017-03-18 → 2026-07-17 · 3 obs
○ 2016-07-10 20:14:52
● 2017-03-18 06:00:36
● 2026-07-17 08:34:10
○NSns2.tfgdata.com2015-07-13 → 2016-07-10 · 4 obs
● 2015-07-13 05:31:02
● 2016-07-10 20:14:52
○ 2017-03-18 06:00:36
○ 2026-07-17 08:34:10
●MXkt-world.jp2017-03-18 → 2026-07-17 · 3 obs
○ 2016-07-10 20:14:52
● 2017-03-18 06:00:36
● 2026-07-17 08:34:10
●MXmail.kt-world.jp2017-03-18 → 2026-07-17 · 3 obs
○ 2016-07-10 20:14:52
● 2017-03-18 06:00:36
● 2026-07-17 08:34:10
○MXwww.kt-world.jp2015-07-13 → 2016-07-10 · 4 obs
● 2015-07-13 05:31:02
● 2016-07-10 20:14:52
○ 2017-03-18 06:00:36
○ 2026-07-17 08:34:10
●A180.131.140.482017-03-18 → 2026-07-17 · 3 obs
○ 2016-07-10 20:14:52
● 2017-03-18 06:00:36
● 2026-07-17 08:34:10
○A219.105.32.442015-07-13 → 2016-07-10 · 4 obs
● 2015-07-13 05:31:02
● 2016-07-10 20:14:52
○ 2017-03-18 06:00:36
○ 2026-07-17 08:34:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpg.dns.jp, a.dns.jp, c.dns.jp, b.dns.jp...-
kt-world.jpns.namedserver.net, ns2.namedserver.net-

✅ Authoritative Response

Server:157.120.113.212

NS records: ns.namedserver.net, ns2.namedserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kt-world.jp (unsigned zone)

⏱️ Timing

Total: 1400ms | Queries: -

📄 Records

TypeCountSample Data
A1180.131.140.48
NS2ns2.namedserver.net, ns.namedserver.net
MX2mail.kt-world.jp (pri: 100), kt-world.jp (pri: 100)
SOA1ns.namedserver.net root.namedserver.net

Analysis

Hierarchy

kt-world.jp is the parent domain of mail.kt-world.jp and www.kt-world.jp.

Mail Server Role

kt-world.jp acts as its own mail server.

As mail servers, mail.kt-world.jp and kt-world.jp are regularly found together.

IP Addresses

kt-world.jp points to a single IP number: 180.131.140.48.

Among others, mail.kt-world.jp, www.kt-world.jp, tanaka-studio.co.jp and www.tanaka-studio.co.jp resolve to the same IP numbers as kt-world.jp.

Name Servers

kt-world.jp uses two name servers for its delegation: ns2.namedserver.net and ns.namedserver.net.

kt-world.jp shares its name server setup with other domains, including b-plus.co.jp, trsg.co.jp, 173.23.122.153.in-addr.arpa and two others.

Some name servers delegated to kt-world.jp are also used by other domains, notably takbrain.com and yukidaruma3.com.

Each of ns2.namedserver.net and ns.namedserver.net has three IP addresses: 157.120.112.212, 157.120.113.212 and 157.120.114.212.

Both ns2.namedserver.net and ns.namedserver.net resolve to 157.120.112.212 IP addresses each.

Both ns2.namedserver.net and ns.namedserver.net resolve to 157.120.113.212 IP addresses each.

Both ns2.namedserver.net and ns.namedserver.net resolve to 157.120.114.212 IP addresses each.

Mail Servers

The domain kt-world.jp has two mail servers: kt-world.jp and mail.kt-world.jp.

kt-world.jp resolves to 180.131.140.48; mail.kt-world.jp resolves to the same IP address, 180.131.140.48.

Both kt-world.jp and mail.kt-world.jp resolve to 180.131.140.48 IP addresses each.