ursa-group.jp - robtex.com

ursa-group.jp

DNSSEC⚠️ Not signed
A122.17.165.15🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
PTRc15rmzsr.mwprem.net
NSmwns1.customer.ne.jp ⭐
A210.150.23.210🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE
NSmwns2.customer.ne.jp
A202.17.152.183🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE
MXmwpremgw1.ocn.ad.jp ⭐
A210.145.253.225🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
MXmwpremgw2.ocn.ad.jp ⭐
A210.145.253.226🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
TXTv=spf1 +a include:_spf.mwprem.net ~all
TXTMS=D86C08D9091B690CEF2073C2F06C1B2911545BD3
TXTMS=ms59322369
SOAmwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613871868

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=1778478302

Subdomains

www.ursa-group.jp

Same first word

ursa-group.jp

Similar names

agropur-us.com

DNS History

16 records (5 active, 11 former)

201020122014201620182020202220242026NSmwns1.customer.ne.jpmwns2.customer.ne.jpns-231.dns.jp-e1.cloudn-service.comns-232.dns.jp-w1.cloudn-service.comns-233.dns.us-e1.cloudn-service.comns1.secure.netns2.secure.netns30a.wh2.ocn.ne.jpns30b.wh2.ocn.ne.jpMXmwpremgw1.ocn.ad.jpmwpremgw2.ocn.ad.jpmail-fwd.wh2.ocn.ne.jpursa-group.jpA122.17.165.15153.149.178.13160.43.193.73
●NSmwns1.customer.ne.jp2026-05-11 → 2026-05-11 · 3 obs
○ 2017-04-04 00:02:26
● 2026-05-11 06:06:24
● 2026-05-11 06:06:26
●NSmwns2.customer.ne.jp2026-05-11 → 2026-05-11 · 3 obs
○ 2017-04-04 00:02:26
● 2026-05-11 06:06:24
● 2026-05-11 06:06:26
○NSns-231.dns.jp-e1.cloudn-service.com2016-03-27 → 2017-04-04 · 5 obs
○ 2015-12-15 02:09:38
● 2016-03-27 05:12:32
● 2017-04-04 00:02:26
○ 2026-05-11 06:06:24
○ 2026-05-11 06:06:26
○NSns-232.dns.jp-w1.cloudn-service.com2016-03-27 → 2017-04-04 · 5 obs
○ 2015-12-15 02:09:38
● 2016-03-27 05:12:32
● 2017-04-04 00:02:26
○ 2026-05-11 06:06:24
○ 2026-05-11 06:06:26
○NSns-233.dns.us-e1.cloudn-service.com2016-03-27 → 2017-04-04 · 5 obs
○ 2015-12-15 02:09:38
● 2016-03-27 05:12:32
● 2017-04-04 00:02:26
○ 2026-05-11 06:06:24
○ 2026-05-11 06:06:26
○NSns1.secure.net2015-08-16 → 2015-12-15 · 5 obs
○ 2009-01-14 01:36:18
● 2015-08-16 07:47:22
● 2015-12-15 02:09:38
○ 2016-03-27 05:12:32
○ 2026-05-11 06:06:26
○NSns2.secure.net2015-08-16 → 2015-12-15 · 5 obs
○ 2009-01-14 01:36:18
● 2015-08-16 07:47:22
● 2015-12-15 02:09:38
○ 2016-03-27 05:12:32
○ 2026-05-11 06:06:26
○NSns30a.wh2.ocn.ne.jp2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 01:36:18
○ 2015-08-16 07:47:22
○ 2026-05-11 06:06:26
○NSns30b.wh2.ocn.ne.jp2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 01:36:18
○ 2015-08-16 07:47:22
○ 2026-05-11 06:06:26
○MXmail-fwd.wh2.ocn.ne.jp2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 01:36:18
○ 2015-08-16 07:47:22
○ 2026-05-11 06:06:26
●MXmwpremgw1.ocn.ad.jp2026-05-11 → 2026-05-11 · 3 obs
○ 2017-04-04 00:02:26
● 2026-05-11 06:06:24
● 2026-05-11 06:06:26
●MXmwpremgw2.ocn.ad.jp2026-05-11 → 2026-05-11 · 3 obs
○ 2017-04-04 00:02:26
● 2026-05-11 06:06:24
● 2026-05-11 06:06:26
○MXursa-group.jp2015-08-16 → 2017-04-04 · 5 obs
○ 2009-01-14 01:36:18
● 2015-08-16 07:47:22
● 2017-04-04 00:02:26
○ 2026-05-11 06:06:24
○ 2026-05-11 06:06:26
●A122.17.165.152026-05-11 → 2026-05-11 · 3 obs
○ 2017-04-04 00:02:26
● 2026-05-11 06:06:24
● 2026-05-11 06:06:26
○A153.149.178.1312015-08-16 → 2017-04-04 · 5 obs
○ 2009-01-14 01:36:18
● 2015-08-16 07:47:22
● 2017-04-04 00:02:26
○ 2026-05-11 06:06:24
○ 2026-05-11 06:06:26
○A60.43.193.732009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 01:36:18
○ 2015-08-16 07:47:22
○ 2026-05-11 06:06:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
ursa-group.jpmwns2.customer.ne.jp, mwns1.customer.ne.jp-

✅ Authoritative Response

Server:202.17.152.183

NS records: mwns2.customer.ne.jp, mwns1.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ursa-group.jp (unsigned zone)

⏱️ Timing

Total: 1592ms | Queries: -

📄 Records

TypeCountSample Data
A1122.17.165.15
NS2mwns1.customer.ne.jp, mwns2.customer.ne.jp
MX2mwpremgw2.ocn.ad.jp (pri: 10), mwpremgw1.ocn.ad.jp (pri: 10)
TXT3MS=D86C08D9091B690CEF2073C2F06C1B2911545, MS=ms59322369...
SOA1mwns1.customer.ne.jp host-plan-ac.ntt.co

Analysis

Hierarchy

ursa-group.jp is the parent of www.ursa-group.jp.

IP Addresses

ursa-group.jp points to IP number 122.17.165.15.

Other host names, for instance, c15rmzsr.mwprem.net share IP numbers with ursa-group.jp.

Name Servers

ursa-group.jp is delegated to two name servers: mwns1.customer.ne.jp and mwns2.customer.ne.jp.

ursa-group.jp uses the same name server setup as other domains such as marushin.jp, eufd.org, shioyoshi.jp, hanwa-sd.co.jp and tta.ne.jp.

Host names with one IP number:

mwns1.customer.ne.jp points to: 210.150.23.210.

mwns2.customer.ne.jp points to: 202.17.152.183.

Mail Servers

Two mail servers mwpremgw1.ocn.ad.jp and mwpremgw2.ocn.ad.jp handle ursa-group.jp.

ursa-group.jp shares the same mail server setup as other domains, for instance digitec-g.co.jp, tokurikiseiko.co.jp, nihonkeibitsushin.com, kawataki.co.jp and iei.co.jp.

ursa-group.jp shares some mail servers with other domains to some extent, for instance library.city.fuchu.tokyo.jp and cronet.co.jp.

Host names with one IP number:

mwpremgw1.ocn.ad.jp points to: 210.145.253.225.

mwpremgw2.ocn.ad.jp points to: 210.145.253.226.