devwork.jp - robtex.com
devwork.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.189.64🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users252.vip.heteml.jp | ||||||
| NS | devwork.jp ⭐ | ||||||
| A | 157.7.189.64🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users252.vip.heteml.jp | ||||||
| NS | dns01.muumuu-domain.com | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| MX | mx.hetemail.jp ⭐ | ||||||
| A | 157.7.189.1🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx.heteml.jp | ||||||
| TXT | v=spf1 include:_spf.heteml.jp ~all | ||||||
| SOA | devwork.jppostmaster@devwork.jp serial=1755660178 | ||||||
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=1789335003 | ||||||
NS for
devwork.jp |
Same first word
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSdevwork.jp2026-09-04 → 2026-09-13 · 2 obs
● 2026-09-13 21:35:16
●NSdns01.muumuu-domain.com2026-09-04 → 2026-09-13 · 2 obs
● 2026-09-13 21:35:16
●NSdns02.muumuu-domain.com2026-09-04 → 2026-09-13 · 2 obs
● 2026-09-13 21:35:16
●MXmx.hetemail.jp2026-09-04 → 2026-09-13 · 2 obs
● 2026-09-13 21:35:16
●A157.7.189.642026-09-04 → 2026-09-13 · 2 obs
● 2026-09-13 21:35:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| devwork.jp | dns02.muumuu-domain.com, dns01.muumuu-domain.com | - |
✅ Authoritative Response
Server:160.251.249.62
NS records: dns02.muumuu-domain.com, dns01.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devwork.jp (unsigned zone)
⏱️ Timing
Total: 2864ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.189.64 |
| NS | 2 | dns02.muumuu-domain.com, dns01.muumuu-domain.com |
| MX | 1 | mx.hetemail.jp (pri: 50) |
| TXT | 1 | v=spf1 include:_spf.heteml.jp ~all |
| SOA | 1 | devwork.jp postmaster.devwork.jp |
Analysis
Name Server Role
devwork.jp has devwork.jp as one of its name servers, making it self-hosted for DNS delegation.
dns01.muumuu-domain.com and dns02.muumuu-domain.com frequently appear as name servers alongside devwork.jp.
IP Addresses
devwork.jp directs to one IP number, which is 157.7.189.64.
Among the host names that share IP numbers with devwork.jp are posregi.info, add-info.jp, www.ecoracy.com and two others.
Name Servers
The DNS delegation for devwork.jp uses three name servers — devwork.jp, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
devwork.jp shares at least some of its name servers with other domains, including moritsuke.net, sundays-shop.com, ogawasogyo.com and two others.
Each of the three hostnames points to exactly one IP address: devwork.jp points to 157.7.189.64, dns01.muumuu-domain.com points to 202.239.23.39 and dns02.muumuu-domain.com points to 160.251.249.62.
Mail Servers
devwork.jp routes its mail through a single mail server, mx.hetemail.jp.
devwork.jp has the same mail server arrangement as a number of other domains, for example 114510.work, etounaika-shokaki.com, taiwan-food.jp and two more.
devwork.jp shares at least some of its mail servers with other domains, such as btnc.co.jp.
mx.hetemail.jp points to one IP number — 157.7.189.1.