a-act.jp - robtex.com
a-act.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 122.17.164.53🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | c15c1xdq.mwprem.net | ||||||
| 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 | a-act.jp ⭐ | ||||||
| A | 122.17.164.53🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | c15c1xdq.mwprem.net | ||||||
| TXT | v=spf1 +a include:_spf.mwprem.net ~all | ||||||
| SOA | mwns1.customer.ne.jphost-plan-ac@ntt.com serial=1614150065 | ||||||
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=1774723503 | ||||||
MX for
a-act.jp |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
●NSmwns1.customer.ne.jp2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 07:22:48
● 2026-03-28 20:02:40
●NSmwns2.customer.ne.jp2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 07:22:48
● 2026-03-28 20:02:40
○NSns-231.dns.jp-e1.cloudn-service.com2016-02-27 → 2016-07-01 · 5 obs
● 2016-02-27 22:53:08
● 2016-07-01 07:53:02
○ 2026-03-27 07:22:48
○ 2026-03-28 20:02:40
○NSns-232.dns.jp-w1.cloudn-service.com2016-02-27 → 2016-07-01 · 5 obs
● 2016-02-27 22:53:08
● 2016-07-01 07:53:02
○ 2026-03-27 07:22:48
○ 2026-03-28 20:02:40
○NSns-233.dns.us-e1.cloudn-service.com2016-02-27 → 2016-07-01 · 5 obs
● 2016-02-27 22:53:08
● 2016-07-01 07:53:02
○ 2026-03-27 07:22:48
○ 2026-03-28 20:02:40
○NSns1.secure.net2015-07-16 → 2015-11-23 · 4 obs
● 2015-11-23 23:47:14
○ 2016-02-27 22:53:08
○ 2026-03-28 20:02:40
○NSns2.secure.net2015-07-16 → 2015-11-23 · 4 obs
● 2015-11-23 23:47:14
○ 2016-02-27 22:53:08
○ 2026-03-28 20:02:40
●MXa-act.jp2015-07-16 → 2026-03-28 · 2 obs
● 2026-03-28 20:02:40
●A122.17.164.532026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 07:22:48
● 2026-03-28 20:02:40
○A180.37.187.1562015-07-16 → 2016-02-27 · 4 obs
● 2016-02-27 22:53:08
○ 2016-07-01 07:53:02
○ 2026-03-28 20:02:40
○A60.43.153.1872016-07-01 → 2016-07-01 · 4 obs
● 2016-07-01 07:53:02
○ 2026-03-27 07:22:48
○ 2026-03-28 20:02:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| a-act.jp | mwns1.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-act.jp (unsigned zone)
⏱️ Timing
Total: 1687ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.17.164.53 |
| NS | 2 | mwns1.customer.ne.jp, mwns2.customer.ne.jp |
| MX | 1 | a-act.jp (pri: 10) |
| TXT | 1 | v=spf1 +a include:_spf.mwprem.net ~all |
| SOA | 1 | mwns1.customer.ne.jp host-plan-ac.ntt.co |
Analysis
Mail Server Role
a-act.jp serves as the mail server for a-act.jp.
IP Addresses
a-act.jp points to IP number 122.17.164.53.
Other host names, for example a-act.co.jp and c15c1xdq.mwprem.net, share IPs with a-act.jp.
Name Servers
a-act.jp is delegated to two name servers: mwns1.customer.ne.jp and mwns2.customer.ne.jp.
a-act.jp uses the same name server setup as other domains such as ksdk.jp, ueno-fudousan.co.jp, hidano.net, kouwan2.metro.tokyo.jp and kyoiku-mori.ac.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
a-act.jp is handled by a single mail server, a-act.jp.
a-act.jp points to a single IP: 122.17.164.53.