engineering.jp - dns.ninja
engineering.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 122.17.148.91🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | c15dmcjv.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 | mwpremgw1.ocn.ad.jp ⭐ | ||||||
| A | 210.145.253.225🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| MX | mwpremgw2.ocn.ad.jp ⭐ | ||||||
| A | 210.145.253.226🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| TXT | v=spf1 +a include:_spf.mwprem.net ~all | ||||||
| TXT | google-site-verification=vbLG7EEojKgw8wOlpSp2flhUWQO7y1Ih4SlT4aGYJHs | ||||||
| SOA | mwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613965577 | ||||||
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=1785675603 | ||||||
Previously MX for
engineering.jp |
Same first word
Similar names
gnireenigne.com |
ingeneering.net |
geigerinnen.com |
gnireenigne.net |
ingeneering.org |
geigerinnen.de |
ingeneering.com |
engeeniring.com |
engeniering.com |
gnireenigne.org |
ingeneering.de |
DNS History
12 records (5 active, 7 former)
●NSmwns1.customer.ne.jp2026-02-20 → 2026-08-02 · 3 obs
● 2026-02-20 15:21:52
● 2026-08-02 14:02:20
●NSmwns2.customer.ne.jp2026-02-20 → 2026-08-02 · 3 obs
● 2026-02-20 15:21:52
● 2026-08-02 14:02:20
○NSns-231.dns.jp-e1.cloudn-service.com2016-04-04 → 2016-12-06 · 5 obs
● 2016-04-04 21:09:12
● 2016-12-06 15:19:40
○ 2026-02-20 15:21:52
○ 2026-08-02 14:02:20
○NSns-232.dns.jp-w1.cloudn-service.com2016-04-04 → 2016-12-06 · 5 obs
● 2016-04-04 21:09:12
● 2016-12-06 15:19:40
○ 2026-02-20 15:21:52
○ 2026-08-02 14:02:20
○NSns-233.dns.us-e1.cloudn-service.com2016-04-04 → 2016-12-06 · 5 obs
● 2016-04-04 21:09:12
● 2016-12-06 15:19:40
○ 2026-02-20 15:21:52
○ 2026-08-02 14:02:20
○NSns1.secure.net2015-08-14 → 2016-01-16 · 4 obs
● 2016-01-16 20:29:16
○ 2016-04-04 21:09:12
○ 2026-08-02 14:02:20
○NSns2.secure.net2015-08-14 → 2016-01-16 · 4 obs
● 2016-01-16 20:29:16
○ 2016-04-04 21:09:12
○ 2026-08-02 14:02:20
○MXengineering.jp2015-08-14 → 2016-12-06 · 4 obs
● 2016-12-06 15:19:40
○ 2026-02-20 15:21:52
○ 2026-08-02 14:02:20
●MXmwpremgw1.ocn.ad.jp2026-02-20 → 2026-08-02 · 3 obs
● 2026-02-20 15:21:52
● 2026-08-02 14:02:20
●MXmwpremgw2.ocn.ad.jp2026-02-20 → 2026-08-02 · 3 obs
● 2026-02-20 15:21:52
● 2026-08-02 14:02:20
●A122.17.148.912026-02-20 → 2026-08-02 · 3 obs
● 2026-02-20 15:21:52
● 2026-08-02 14:02:20
○A153.149.178.1382015-08-14 → 2016-12-06 · 4 obs
● 2016-12-06 15:19:40
○ 2026-02-20 15:21:52
○ 2026-08-02 14:02:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, e.dns.jp, d.dns.jp, b.dns.jp... | - |
| engineering.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 engineering.jp (unsigned zone)
⏱️ Timing
Total: 1367ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.17.148.91 |
| NS | 2 | mwns1.customer.ne.jp, mwns2.customer.ne.jp |
| MX | 2 | mwpremgw1.ocn.ad.jp (pri: 10), mwpremgw2.ocn.ad.jp (pri: 10) |
| TXT | 2 | v=spf1 +a include:_spf.mwprem.net ~all, google-site-verification=vbLG7EEojKgw8wO |
| SOA | 1 | mwns1.customer.ne.jp host-plan-ac.ntt.co |
Analysis
IP Addresses
engineering.jp resolves to one IP address: 122.17.148.91.
promenade.jp and c15dmcjv.mwprem.net are among other host names that share IP numbers with engineering.jp.
Name Servers
engineering.jp has two authoritative name servers — mwns1.customer.ne.jp and mwns2.customer.ne.jp.
engineering.jp uses the same name servers as several other domains — among them kyosei.or.jp, aoba-rc.ecnet.jp, ik-bj.co.jp and two more.
Both mwns1.customer.ne.jp and mwns2.customer.ne.jp have a single IP address each — mwns1.customer.ne.jp resolves to 210.150.23.210 while mwns2.customer.ne.jp resolves to 202.17.152.183.
Mail Servers
Mail for engineering.jp is handled by two mail servers — mwpremgw1.ocn.ad.jp and mwpremgw2.ocn.ad.jp.
engineering.jp uses an identical mail server configuration to several other domains — among them knights.jp, roaneikyo.or.jp, maruz.co.jp and two more.
engineering.jp has mail servers in common with other domains — ja-okinawa.or.jp being one example.
This set of mail servers commonly appears together with the mail servers mail01.ja-okinawa.or.jp.
Both mwpremgw1.ocn.ad.jp and mwpremgw2.ocn.ad.jp have a single IP address each — mwpremgw1.ocn.ad.jp resolves to 210.145.253.225 while mwpremgw2.ocn.ad.jp resolves to 210.145.253.226.