dmaster.jp - dns.ninja
dmaster.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.mirai-box.com ⭐ | ||||||
| A | 202.144.230.179🇯🇵 Equinix202.144.224.0/20 Bit-isle CIDR-Block (Advertising from TY8-Network) | ||||||
| PTR | cloud-isle.jp | ||||||
| NS | dns4.nnetworks.co.jp | ||||||
| A | 157.7.171.143🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | ap.ptr41.ptrcloud.net | ||||||
| MX | mail2.dmaster.jp ⭐ | ||||||
| A | 103.9.92.106🇯🇵 Equinix103.9.92.0/24 DC Communications Inc. Dai 2 Take Bldg. 7F, Shinjuku 1-9-1 | ||||||
| PTR | mail2.dmaster.jp | ||||||
| TXT | v=spf1 +ip4:202.144.232.60 +ip4:182.236.95.24 +ip4:103.9.92.221 +ip4:103.9.92... | ||||||
| TXT | google-site-verification=9rNg-tEjUX2wMGI6UiCU77abP14x0Im9-P1YM2kgM2g | ||||||
| SOA | dns1.mirai-box.comdns4@nnetworks.co.jp 2026-06-18 #1 | ||||||
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=1785557703 | ||||||
Subdomains
Same first word
dmaster.info |
dmaster.ru |
dmaster.com.br |
dmaster.jp |
dmaster.org |
dmaster.hu |
dmaster.de |
dmaster.kiev.ua |
dmaster.com |
Similar names
DNS History
4 records (3 active, 1 former)
●NSdns1.mirai-box.com2018-05-11 → 2026-08-01 · 2 obs
● 2026-08-01 04:31:00
●NSdns4.nnetworks.co.jp2018-05-11 → 2026-08-01 · 2 obs
● 2026-08-01 04:31:00
○MXmail.dmaster.jp2018-05-11 → 2018-05-11 · 3 obs
○ 2020-12-03 22:12:12
○ 2026-08-01 04:31:00
●MXmail2.dmaster.jp2020-12-03 → 2026-08-01 · 3 obs
● 2020-12-03 22:12:12
● 2026-08-01 04:31:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| dmaster.jp | dns4.nnetworks.co.jp, dns1.mirai-box.com | - |
✅ Authoritative Response
Server:202.144.230.179
NS records: dns4.nnetworks.co.jp, dns1.mirai-box.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dmaster.jp (unsigned zone)
⏱️ Timing
Total: 1615ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns4.nnetworks.co.jp, dns1.mirai-box.com |
| MX | 1 | mail2.dmaster.jp (pri: 10) |
| TXT | 2 | v=spf1 +ip4:202.144.232.60 +ip4:182.236., google-site-verification=9rNg-tEjUX2wMGI |
| SOA | 1 | dns1.mirai-box.com dns4.nnetworks.co.jp |
Analysis
Hierarchy
The parent domain of mail2.dmaster.jp and www.dmaster.jp is dmaster.jp.
Name Servers
dmaster.jp is served by two delegated name servers, dns1.mirai-box.com and dns4.nnetworks.co.jp.
dmaster.jp has the same name server delegation as a number of other domains, such as atarijo.com, the-af.com, yaziup.com and two more.
Both dns1.mirai-box.com and dns4.nnetworks.co.jp have a single IP address each — dns1.mirai-box.com resolves to 202.144.230.179 while dns4.nnetworks.co.jp resolves to 157.7.171.143.
Mail Servers
dmaster.jp routes its mail through a single mail server, mail2.dmaster.jp.
There is one IP number for mail2.dmaster.jp: 103.9.92.106.