mnc.ac.jp - robtex.com
mnc.ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.149.181.45🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | mnc.ac.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 | mnc.ac.jp ⭐ | ||||||
| A | 153.149.181.45🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | mnc.ac.jp | ||||||
| TXT | v=spf1 a include:_spf.bizmw.com ~all | ||||||
| SOA | mwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613723260 | ||||||
ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ac.jp. | ||||||
PTR for
MX for
mnc.ac.jp |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSmwns1.customer.ne.jp2026-03-22 → 2026-03-28 · 3 obs
● 2026-03-22 16:10:06
● 2026-03-28 00:47:08
●NSmwns2.customer.ne.jp2026-03-22 → 2026-03-28 · 3 obs
● 2026-03-22 16:10:06
● 2026-03-28 00:47:08
○NSns-219.dns.jp-e1.cloudn-service.com2016-03-15 → 2017-03-28 · 5 obs
● 2016-03-15 04:53:18
● 2017-03-28 08:16:20
○ 2026-03-22 16:10:06
○ 2026-03-28 00:47:08
○NSns-220.dns.jp-w1.cloudn-service.com2016-03-15 → 2017-03-28 · 5 obs
● 2016-03-15 04:53:18
● 2017-03-28 08:16:20
○ 2026-03-22 16:10:06
○ 2026-03-28 00:47:08
○NSns-221.dns.us-e1.cloudn-service.com2016-03-15 → 2017-03-28 · 5 obs
● 2016-03-15 04:53:18
● 2017-03-28 08:16:20
○ 2026-03-22 16:10:06
○ 2026-03-28 00:47:08
○NSns1.secure.net2015-08-12 → 2015-12-10 · 4 obs
● 2015-12-10 09:57:58
○ 2016-03-15 04:53:18
○ 2026-03-28 00:47:08
○NSns2.secure.net2015-08-12 → 2015-12-10 · 4 obs
● 2015-12-10 09:57:58
○ 2016-03-15 04:53:18
○ 2026-03-28 00:47:08
●MXmnc.ac.jp2015-08-12 → 2026-03-28 · 2 obs
● 2026-03-28 00:47:08
●A153.149.181.452026-03-22 → 2026-03-28 · 3 obs
● 2026-03-22 16:10:06
● 2026-03-28 00:47:08
○A60.43.164.2282015-08-12 → 2017-03-28 · 4 obs
● 2017-03-28 08:16:20
○ 2026-03-22 16:10:06
○ 2026-03-28 00:47:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, e.dns.jp, h.dns.jp, g.dns.jp... | - |
| mnc.ac.jp | mwns2.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 mnc.ac.jp (unsigned zone)
⏱️ Timing
Total: 2820ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.149.181.45 |
| NS | 2 | mwns1.customer.ne.jp, mwns2.customer.ne.jp |
| MX | 1 | mnc.ac.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
Mail Server Role
mnc.ac.jp serves as the mail server for mnc.ac.jp.
IP Addresses
mnc.ac.jp points to a single IP number: 153.149.181.45.
Name Servers
Delegation for mnc.ac.jp rests with two name servers, mwns1.customer.ne.jp and mwns2.customer.ne.jp.
mnc.ac.jp shares the same name server setup as other domains, including sundica.co.jp, mui-inc.jp, town.kamisato.saitama.jp, ypk.co.jp and takihyo.org.
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 single mail server handles mnc.ac.jp.
mnc.ac.jp points to a single IP: 153.149.181.45.