kokushou.net - robtex.com

kokushou.net

DNSSEC⚠️ Not signed
A219.117.250.43🇯🇵 InfoSphere219.117.192.0/18 INTERLINK
PTRmirafiori.xserve.jp
NSns0.xserve.jp ⭐
A160.16.221.56🇯🇵 SAKURA-B160.16.128.0/17 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRcordia.xserve.jp
NSns1.xserve.jp
A153.126.180.138🇯🇵 SAKURA-A153.126.128.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRleone.xserve.jp
NSns2.xserve.jp
A160.16.221.56🇯🇵 SAKURA-B160.16.128.0/17 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRcordia.xserve.jp
NSns3.xserve.jp
A153.126.180.138🇯🇵 SAKURA-A153.126.128.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRleone.xserve.jp
MXlancer.xserve.jp ⭐
A219.117.250.42🇯🇵 InfoSphere219.117.192.0/18 INTERLINK
PTRlancer.xserve.jp
TXTv=spf1 include:_spf.xserve.jp mx ~all
SOAns0.xserve.jppostmaster@xserve.jp 2023-06-26 #1

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1777073881

Subdomains

ns1.kokushou.net
mail.kokushou.net
ns2.kokushou.net
ns0.kokushou.net

Same first word

kokushou.net

Similar names

koushoku.org
sokuhoku.co.jp
koukusho.com
koushoku.net
koushoku.sakura.ne.jp
hokusoku.com

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NSns0.xserve.jpns1.xserve.jpns2.xserve.jpns3.xserve.jpns0.kokushou.netMXlancer.xserve.jpxsara.xserve.jpA219.117.250.43210.155.156.20
○NSns0.kokushou.net2015-06-29 → 2015-06-29 · 3 obs
● 2015-06-29 21:46:42
○ 2015-11-24 05:10:30
○ 2026-04-24 23:47:52
●NSns0.xserve.jp2015-06-29 → 2026-04-24 · 2 obs
● 2015-06-29 21:46:42
● 2026-04-24 23:47:52
●NSns1.xserve.jp2015-06-29 → 2026-04-24 · 2 obs
● 2015-06-29 21:46:42
● 2026-04-24 23:47:52
●NSns2.xserve.jp2015-06-29 → 2026-04-24 · 2 obs
● 2015-06-29 21:46:42
● 2026-04-24 23:47:52
●NSns3.xserve.jp2017-02-08 → 2026-04-24 · 3 obs
○ 2015-11-24 05:10:30
● 2017-02-08 00:11:08
● 2026-04-24 23:47:52
●MXlancer.xserve.jp2018-12-13 → 2026-04-24 · 3 obs
○ 2017-02-08 00:11:08
● 2018-12-13 10:49:38
● 2026-04-24 23:47:52
○MXxsara.xserve.jp2015-06-29 → 2017-02-08 · 4 obs
● 2015-06-29 21:46:42
● 2017-02-08 00:11:08
○ 2018-12-13 10:49:38
○ 2026-04-24 23:47:52
○A210.155.156.202015-06-29 → 2018-12-13 · 4 obs
● 2015-06-29 21:46:42
● 2018-12-13 10:49:38
○ 2026-02-14 17:54:54
○ 2026-04-24 23:47:52
●A219.117.250.432026-02-14 → 2026-04-24 · 3 obs
○ 2018-12-13 10:49:38
● 2026-02-14 17:54:54
● 2026-04-24 23:47:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...-
kokushou.netns0.xserve.jp, ns1.xserve.jp, ns2.xserve.jp, ns3.xserve.jp-

✅ Authoritative Response

Server:160.16.221.56

NS records: ns0.xserve.jp, ns1.xserve.jp, ns2.xserve.jp, ns3.xserve.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kokushou.net (unsigned zone)

⏱️ Timing

Total: 1112ms | Queries: -

📄 Records

TypeCountSample Data
A1219.117.250.43
NS4ns1.xserve.jp, ns2.xserve.jp...
MX1lancer.xserve.jp (pri: 10)
TXT1v=spf1 include:_spf.xserve.jp mx ~all
SOA1ns0.xserve.jp postmaster.xserve.jp

Analysis

Hierarchy

kokushou.net has children ns1.kokushou.net, mail.kokushou.net, ns2.kokushou.net and ns0.kokushou.net.

IP Addresses

kokushou.net maps to IP address 219.117.250.43.

Other host names, for instance www3.karuizawa.ne.jp, komoro.org, karuizawa.com, www.komoro.org and asama.net share IP numbers with kokushou.net.

Name Servers

kokushou.net is delegated to four name servers: ns0.xserve.jp, ns1.xserve.jp, ns2.xserve.jp and ns3.xserve.jp.

kokushou.net at least partially shares name servers with other domains such as ichigodaira.com, asama.net, miyota.gr.jp, mojido.com and sssg.org.

Host names with a single IP

ns0.xserve.jp points to 160.16.221.56

ns1.xserve.jp points to 153.126.180.138

ns2.xserve.jp points to 160.16.221.56

ns3.xserve.jp points to 153.126.180.138

Host names pointing to 160.16.221.56: ns0.xserve.jp and ns2.xserve.jp

Host names pointing to 153.126.180.138: ns1.xserve.jp and ns3.xserve.jp

Mail Servers

kokushou.net is handled by a single mail server, lancer.xserve.jp.

kokushou.net shares the same mail server setup as other domains, including karuizawasuzuhiko.com, komoro.org, karuizawa.ne.jp, ichigodaira.com and miyota.gr.jp.

lancer.xserve.jp points to one IP number: 219.117.250.42.