alpha-dev.co.jp - robtex.com
alpha-dev.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.149.195.88🇯🇵 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 | alpha-dev.co.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 | mwbgw1.ocn.ad.jp ⭐ | ||||||
| A | 210.145.253.233🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| MX | mwbgw2.ocn.ad.jp ⭐ | ||||||
| A | 210.145.253.234🇯🇵 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.bizmw.com ~all | ||||||
| SOA | mwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613707441 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
PTR for
Subdomains
www.alpha-dev.co.jp |
Same first word
alpha-dev.de |
alpha-dev.co.jp |
Similar names
DNS History
8 records (5 active, 3 former)
○NSdns.sannet.ad.jp2017-07-17 → 2017-07-17 · 3 obs
○ 2026-03-29 04:50:06
○ 2026-03-29 04:50:08
○NSdns.sannet.ne.jp2017-07-17 → 2017-07-17 · 3 obs
○ 2026-03-29 04:50:06
○ 2026-03-29 04:50:08
●NSmwns1.customer.ne.jp2026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 04:50:06
● 2026-03-29 04:50:08
●NSmwns2.customer.ne.jp2026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 04:50:06
● 2026-03-29 04:50:08
●MXmwbgw1.ocn.ad.jp2026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 04:50:06
● 2026-03-29 04:50:08
●MXmwbgw2.ocn.ad.jp2026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 04:50:06
● 2026-03-29 04:50:08
○MXrecv.sannet.ne.jp2017-07-17 → 2017-07-17 · 3 obs
○ 2026-03-29 04:50:06
○ 2026-03-29 04:50:08
●A153.149.195.882026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 04:50:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| alpha-dev.co.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 alpha-dev.co.jp (unsigned zone)
⏱️ Timing
Total: 1556ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.149.195.88 |
| NS | 2 | mwns1.customer.ne.jp, mwns2.customer.ne.jp |
| MX | 2 | mwbgw2.ocn.ad.jp (pri: 10), mwbgw1.ocn.ad.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
Hierarchy
alpha-dev.co.jp is the parent of www.alpha-dev.co.jp.
IP Addresses
alpha-dev.co.jp resolves to a single IP: 153.149.195.88.
Name Servers
alpha-dev.co.jp has two name servers: mwns1.customer.ne.jp and mwns2.customer.ne.jp.
alpha-dev.co.jp shares the same name server setup as other domains, for example nosawa.co.jp, first1.co.jp, myan.co.jp, kagosun.ecnet.jp and kawamura-yakuhin.co.jp.
Host names with a single IP:
mwns1.customer.ne.jp points to 210.150.23.210
mwns2.customer.ne.jp points to 202.17.152.183
Mail Servers
alpha-dev.co.jp is served by two mail servers: mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.
alpha-dev.co.jp shares the mail server setup with other domains, for example interface-inc.com, teeys.co.jp, miyagiunyu.co.jp, valve-plusone.co.jp and jet-kanko.co.jp.
Host names with a single IP:
mwbgw1.ocn.ad.jp points to 210.145.253.233
mwbgw2.ocn.ad.jp points to 210.145.253.234