kyusyo.jp - robtex.com
kyusyo.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.43.231.163🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | kyusyo.jp | ||||||
| NS | mwns1.customer.ne.jp ⭐ | ||||||
| A | 210.150.23.210🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE | ||||||
| NS | mwns2.customer.ne.jp | ||||||
| A | 202.17.152.183🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE | ||||||
| MX | mwbgw1.ocn.ad.jp ⭐ | ||||||
| A | 210.145.253.233🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| MX | mwbgw2.ocn.ad.jp ⭐ | ||||||
| A | 210.145.253.234🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| TXT | v=spf1 a include:_spf.bizmw.com ~all | ||||||
| SOA | mwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613672135 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1773558003 | ||||||
PTR for
Same first word
kyusyo.jp |
Similar names
kyosyu.co.jp |
yousky.com.au |
skyyou.com |
kyosyu.com |
syukyo.com |
syokyu.com |
yousky.org |
yosuky.com |
yousky.com.cn |
yousky.com |
DNS History
13 records (5 active, 8 former)
●NSmwns1.customer.ne.jp2026-02-23 → 2026-03-24 · 3 obs
● 2026-02-23 08:03:08
● 2026-03-24 03:51:48
●NSmwns2.customer.ne.jp2026-02-23 → 2026-03-24 · 3 obs
● 2026-02-23 08:03:08
● 2026-03-24 03:51:48
○NSns-207.dns.jp-e1.cloudn-service.com2016-02-09 → 2017-04-18 · 5 obs
● 2016-02-09 05:06:08
● 2017-04-18 10:23:00
○ 2026-02-23 08:03:08
○ 2026-03-24 03:51:48
○NSns-208.dns.jp-w1.cloudn-service.com2016-02-09 → 2017-04-18 · 5 obs
● 2016-02-09 05:06:08
● 2017-04-18 10:23:00
○ 2026-02-23 08:03:08
○ 2026-03-24 03:51:48
○NSns-209.dns.us-e1.cloudn-service.com2016-02-09 → 2017-04-18 · 5 obs
● 2016-02-09 05:06:08
● 2017-04-18 10:23:00
○ 2026-02-23 08:03:08
○ 2026-03-24 03:51:48
○NSns1.secure.net2015-06-25 → 2015-11-07 · 4 obs
● 2015-11-07 14:38:22
○ 2016-02-09 05:06:08
○ 2026-03-24 03:51:48
○NSns2.secure.net2015-06-25 → 2015-11-07 · 4 obs
● 2015-11-07 14:38:22
○ 2016-02-09 05:06:08
○ 2026-03-24 03:51:48
○MXin.sjc.mx.trendmicro.com2015-06-25 → 2015-06-25 · 3 obs
○ 2015-11-07 14:38:22
○ 2026-03-24 03:51:48
●MXmwbgw1.ocn.ad.jp2015-11-07 → 2026-03-24 · 3 obs
● 2015-11-07 14:38:22
● 2026-03-24 03:51:48
●MXmwbgw2.ocn.ad.jp2015-11-07 → 2026-03-24 · 3 obs
● 2015-11-07 14:38:22
● 2026-03-24 03:51:48
○A111.68.236.52015-06-25 → 2015-06-25 · 3 obs
○ 2015-11-07 14:38:22
○ 2026-03-24 03:51:48
●A60.43.231.1632026-02-23 → 2026-03-24 · 3 obs
● 2026-02-23 08:03:08
● 2026-03-24 03:51:48
○A61.126.31.1382015-11-07 → 2017-04-18 · 5 obs
● 2015-11-07 14:38:22
● 2017-04-18 10:23:00
○ 2026-02-23 08:03:08
○ 2026-03-24 03:51:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| kyusyo.jp | mwns2.customer.ne.jp, mwns1.customer.ne.jp | - |
✅ Authoritative Response
Server:210.150.23.210
NS records: mwns2.customer.ne.jp, mwns1.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kyusyo.jp (unsigned zone)
⏱️ Timing
Total: 1881ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 60.43.231.163 |
| NS | 2 | mwns2.customer.ne.jp, mwns1.customer.ne.jp |
| MX | 2 | mwbgw1.ocn.ad.jp (pri: 10), mwbgw2.ocn.ad.jp (pri: 10) |
| TXT | 1 | v=spf1 a include:_spf.bizmw.com ~all |
| SOA | 1 | mwns1.customer.ne.jp host-plan-ac.ntt.co |
Analysis
IP Addresses
kyusyo.jp resolves to a single IP: 60.43.231.163.
Name Servers
kyusyo.jp has two name servers: mwns1.customer.ne.jp and mwns2.customer.ne.jp.
kyusyo.jp shares the same name server setup as other domains, for example ishiunkyo.or.jp, ccj.or.jp, seiyoukan.join-us.jp, tainet.co.jp and katakura.ne.jp.
Host names with a single IP:
mwns1.customer.ne.jp points to 210.150.23.210
mwns2.customer.ne.jp points to 202.17.152.183
Mail Servers
kyusyo.jp is served by two mail servers: mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.
kyusyo.jp shares the mail server setup with other domains, for example funadakaiun.com, honma-seisakusyo.co.jp, kyubil.jp, iwamotodenki.co.jp and tssd.co.jp.
Host names with a single IP:
mwbgw1.ocn.ad.jp points to 210.145.253.233
mwbgw2.ocn.ad.jp points to 210.145.253.234