a-root.jp - dns.ninja

a-root.jp

DNSSEC⚠️ Not signed
A60.43.201.136🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
PTRa-root.jp
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
MXa-root.jp ⭐
A60.43.201.136🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
PTRa-root.jp
TXTv=spf1 a include:_spf.bizmw.com ~all
SOAmwns1.customer.ne.jphost-plan-ac@ntt.com serial=1614174965

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=1784349002

PTR for

136.201.43.60.in-addr.arpa

MX for

a-root.jp

Subdomains

www.a-root.jp

Same first word

a-root.jp

Similar names

oto-ra.com
arto-o.com
o-taro.blogspot.de
root-a.com
taro-o.hatenablog.com
oo-art.com
root-a.net
a-orto.com
a-toor.com

DNS History

13 records (4 active, 9 former)

201020122014201620182020202220242026NSmwns1.customer.ne.jpmwns2.customer.ne.jpk2.a-root.jpns-204.dns.jp-e1.cloudn-service.comns-205.dns.jp-w1.cloudn-service.comns-206.dns.us-e1.cloudn-service.comns-tk061.ocn.ad.jpns1.secure.netns2.secure.netMXa-root.jpk2.a-root.jpA60.43.201.13661.112.2.178
○NSk2.a-root.jp2009-01-21 → 2009-01-21 · 3 obs
● 2009-01-21 08:39:56
○ 2015-08-08 16:03:30
○ 2026-07-18 04:57:38
●NSmwns1.customer.ne.jp2026-03-28 → 2026-07-18 · 3 obs
○ 2016-12-26 03:52:04
● 2026-03-28 07:39:14
● 2026-07-18 04:57:38
●NSmwns2.customer.ne.jp2026-03-28 → 2026-07-18 · 3 obs
○ 2016-12-26 03:52:04
● 2026-03-28 07:39:14
● 2026-07-18 04:57:38
○NSns-204.dns.jp-e1.cloudn-service.com2015-11-19 → 2016-12-26 · 5 obs
○ 2015-10-29 15:41:02
● 2015-11-19 19:58:52
● 2016-12-26 03:52:04
○ 2026-03-28 07:39:14
○ 2026-07-18 04:57:38
○NSns-205.dns.jp-w1.cloudn-service.com2015-11-19 → 2016-12-26 · 5 obs
○ 2015-10-29 15:41:02
● 2015-11-19 19:58:52
● 2016-12-26 03:52:04
○ 2026-03-28 07:39:14
○ 2026-07-18 04:57:38
○NSns-206.dns.us-e1.cloudn-service.com2015-11-19 → 2016-12-26 · 5 obs
○ 2015-10-29 15:41:02
● 2015-11-19 19:58:52
● 2016-12-26 03:52:04
○ 2026-03-28 07:39:14
○ 2026-07-18 04:57:38
○NSns-tk061.ocn.ad.jp2009-01-21 → 2009-01-21 · 3 obs
● 2009-01-21 08:39:56
○ 2015-08-08 16:03:30
○ 2026-07-18 04:57:38
○NSns1.secure.net2015-08-08 → 2015-10-29 · 5 obs
○ 2009-01-21 08:39:56
● 2015-08-08 16:03:30
● 2015-10-29 15:41:02
○ 2015-11-19 19:58:52
○ 2026-07-18 04:57:38
○NSns2.secure.net2015-08-08 → 2015-10-29 · 5 obs
○ 2009-01-21 08:39:56
● 2015-08-08 16:03:30
● 2015-10-29 15:41:02
○ 2015-11-19 19:58:52
○ 2026-07-18 04:57:38
●MXa-root.jp2015-08-08 → 2026-07-18 · 3 obs
○ 2009-01-21 08:39:56
● 2015-08-08 16:03:30
● 2026-07-18 04:57:38
○MXk2.a-root.jp2009-01-21 → 2009-01-21 · 3 obs
● 2009-01-21 08:39:56
○ 2015-08-08 16:03:30
○ 2026-07-18 04:57:38
●A60.43.201.1362026-03-28 → 2026-07-18 · 3 obs
○ 2016-12-26 03:52:04
● 2026-03-28 07:39:14
● 2026-07-18 04:57:38
○A61.112.2.1782015-08-08 → 2016-12-26 · 5 obs
○ 2009-01-21 08:39:56
● 2015-08-08 16:03:30
● 2016-12-26 03:52:04
○ 2026-03-28 07:39:14
○ 2026-07-18 04:57:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
a-root.jpmwns1.customer.ne.jp, mwns2.customer.ne.jp-

✅ Authoritative Response

Server:202.17.152.183

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a-root.jp (unsigned zone)

⏱️ Timing

Total: 3653ms | Queries: -

📄 Records

TypeCountSample Data
A160.43.201.136
NS2mwns2.customer.ne.jp, mwns1.customer.ne.jp
MX1a-root.jp (pri: 10)
TXT1v=spf1 a include:_spf.bizmw.com ~all
SOA1mwns1.customer.ne.jp host-plan-ac.ntt.co

Analysis

Hierarchy

a-root.jp serves as the parent of www.a-root.jp.

Mail Server Role

a-root.jp handles its own mail, functioning as its own mail server.

IP Addresses

a-root.jp resolves to just one IP address, 60.43.201.136.

Name Servers

a-root.jp is served by two delegated name servers, mwns1.customer.ne.jp and mwns2.customer.ne.jp.

a-root.jp shares its NS records with other domains, for example sokukodo.co.jp, maruisuisan.co.jp, c-family.co.jp and two others.

mwns1.customer.ne.jp directs to 210.150.23.210 and mwns2.customer.ne.jp directs to 202.17.152.183; each host name points to exactly one IP number.

Mail Servers

a-root.jp is served by just one mail server: a-root.jp.

There is one IP number for a-root.jp: 60.43.201.136.