tk-bus.jp - robtex.com

tk-bus.jp

DNSSEC⚠️ Not signed
A133.242.249.232🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww4292.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXtk-bus.jp ⭐
A133.242.249.232🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww4292.sakura.ne.jp
TXTv=spf1 a:www4292.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-06-16 #1

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=1774602903
WOT: SAFE (61/100)

MX for

tk-bus.jp

Same first word

tk-bus.dk
tk-bus.jp

Similar names

kt-bus.dk
sbt-uk.com
uk-bst.com

DNS History

17 records (5 active, 12 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jp01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns-207.dns.jp-e1.cloudn-service.comns-208.dns.jp-w1.cloudn-service.comns-209.dns.us-e1.cloudn-service.comns1.secure.netns2.secure.netMXtk-bus.jpmail.tk-bus.jpA133.242.249.232183.90.238.1560.43.231.71
○NS01.dnsv.jp2020-01-28 → 2020-01-28 · 4 obs
○ 2017-01-28 01:54:00
● 2020-01-28 01:52:04
○ 2026-02-16 05:57:50
○ 2026-03-27 09:40:34
○NS02.dnsv.jp2020-01-28 → 2020-01-28 · 4 obs
○ 2017-01-28 01:54:00
● 2020-01-28 01:52:04
○ 2026-02-16 05:57:50
○ 2026-03-27 09:40:34
○NS03.dnsv.jp2020-01-28 → 2020-01-28 · 4 obs
○ 2017-01-28 01:54:00
● 2020-01-28 01:52:04
○ 2026-02-16 05:57:50
○ 2026-03-27 09:40:34
○NS04.dnsv.jp2020-01-28 → 2020-01-28 · 4 obs
○ 2017-01-28 01:54:00
● 2020-01-28 01:52:04
○ 2026-02-16 05:57:50
○ 2026-03-27 09:40:34
●NSmaster.dns.ne.jp2026-02-16 → 2026-03-27 · 3 obs
○ 2020-01-28 01:52:04
● 2026-02-16 05:57:50
● 2026-03-27 09:40:34
○NSns-207.dns.jp-e1.cloudn-service.com2016-01-15 → 2017-01-28 · 5 obs
○ 2015-11-03 19:25:00
● 2016-01-15 12:36:46
● 2017-01-28 01:54:00
○ 2020-01-28 01:52:04
○ 2026-03-27 09:40:34
○NSns-208.dns.jp-w1.cloudn-service.com2016-01-15 → 2017-01-28 · 5 obs
○ 2015-11-03 19:25:00
● 2016-01-15 12:36:46
● 2017-01-28 01:54:00
○ 2020-01-28 01:52:04
○ 2026-03-27 09:40:34
○NSns-209.dns.us-e1.cloudn-service.com2016-01-15 → 2017-01-28 · 5 obs
○ 2015-11-03 19:25:00
● 2016-01-15 12:36:46
● 2017-01-28 01:54:00
○ 2020-01-28 01:52:04
○ 2026-03-27 09:40:34
●NSns1.dns.ne.jp2026-02-16 → 2026-03-27 · 3 obs
○ 2020-01-28 01:52:04
● 2026-02-16 05:57:50
● 2026-03-27 09:40:34
○NSns1.secure.net2015-08-25 → 2015-11-03 · 4 obs
● 2015-08-25 15:19:52
● 2015-11-03 19:25:00
○ 2016-01-15 12:36:46
○ 2026-03-27 09:40:34
●NSns2.dns.ne.jp2026-02-16 → 2026-03-27 · 3 obs
○ 2020-01-28 01:52:04
● 2026-02-16 05:57:50
● 2026-03-27 09:40:34
○NSns2.secure.net2015-08-25 → 2015-11-03 · 4 obs
● 2015-08-25 15:19:52
● 2015-11-03 19:25:00
○ 2016-01-15 12:36:46
○ 2026-03-27 09:40:34
○MXmail.tk-bus.jp2020-01-28 → 2020-01-28 · 4 obs
○ 2017-01-28 01:54:00
● 2020-01-28 01:52:04
○ 2026-02-16 05:57:50
○ 2026-03-27 09:40:34
●MXtk-bus.jp2015-08-25 → 2026-03-27 · 5 obs
● 2015-08-25 15:19:52
● 2017-01-28 01:54:00
○ 2020-01-28 01:52:04
● 2026-02-16 05:57:50
● 2026-03-27 09:40:34
●A133.242.249.2322026-02-16 → 2026-03-27 · 3 obs
○ 2020-01-28 01:52:04
● 2026-02-16 05:57:50
● 2026-03-27 09:40:34
○A183.90.238.152020-01-28 → 2020-01-28 · 4 obs
○ 2017-01-28 01:54:00
● 2020-01-28 01:52:04
○ 2026-02-16 05:57:50
○ 2026-03-27 09:40:34
○A60.43.231.712015-08-25 → 2017-01-28 · 4 obs
● 2015-08-25 15:19:52
● 2017-01-28 01:54:00
○ 2020-01-28 01:52:04
○ 2026-03-27 09:40:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpc.dns.jp, g.dns.jp, a.dns.jp, d.dns.jp...-
tk-bus.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns2.dns.ne.jp, ns1.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tk-bus.jp (unsigned zone)

⏱️ Timing

Total: 650ms | Queries: -

📄 Records

TypeCountSample Data
A1133.242.249.232
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1tk-bus.jp (pri: 10)
TXT1v=spf1 a:www4292.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Mail Server Role

tk-bus.jp serves as the mail server for tk-bus.jp.

IP Addresses

tk-bus.jp points to a single IP number: 133.242.249.232.

Other host names, for instance bapplenet.com, kachi-kachi.net, toei-com.com, gendaikenko.sakura.ne.jp and rac-m.com share IP numbers with tk-bus.jp.

Name Servers

The domain tk-bus.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

tk-bus.jp shares name servers with other domains at least partially, for instance mail.negame.net, overcloud.info, iifurue.com, miyakeauto.com and whiskyandwines.info.

these name servers are often used together with the name servers dns.sakura.ad.jp.

Host names with a single IP number:

master.dns.ne.jp points to 210.224.172.18.

ns1.dns.ne.jp points to 61.211.236.1.

ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

A single mail server handles tk-bus.jp and tk-bus.jp.

Host name tk-bus.jp resolves to IP 133.242.249.232.