ustm.jp - dns.ninja
ustm.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.243.14🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3504.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | ustm.jp ⭐ | ||||||
| A | 49.212.243.14🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3504.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3504.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2015-02-27 #11 | ||||||
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=1782581403 | ||||||
MX for
ustm.jp |
Same first word
ustm.eu |
ustm.cz |
ustm.ac.mz |
ustm.org.in |
ustm.ru |
ustm.org |
ustm.com |
ustm.mr |
ustm.ac.in |
ustm.jp |
ustm.us |
ustm.us.com |
ustm.de |
ustm.co |
ustm.pl |
ustm.ir |
Similar names
DNS History
5 records (5 active, 0 former)
●MXustm.jp2015-06-12 → 2026-06-27 · 2 obs
● 2026-06-27 18:10:56
●A49.212.243.142015-06-12 → 2026-06-27 · 2 obs
● 2026-06-27 18:10:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, e.dns.jp, a.dns.jp, h.dns.jp... | - |
| ustm.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ustm.jp (unsigned zone)
⏱️ Timing
Total: 849ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.243.14 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | ustm.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3504.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Mail Server Role
ustm.jp handles its own mail, functioning as its own mail server.
IP Addresses
ustm.jp resolves to just one IP address, 49.212.243.14.
Two other host names, along with mayq.net, proportal.jp and nichieieng.jp, also share IP numbers with ustm.jp.
Name Servers
ustm.jp is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
There is at least partial name server overlap between ustm.jp and other domains — aile-f.com, kent-inc.co.jp, ismz-tax.com and two more among them.
These name servers are routinely deployed together with the name servers dns.sakura.ad.jp.
master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.
Mail Servers
ustm.jp is served by just one mail server: ustm.jp.
ustm.jp resolves to 49.212.243.14 and no other IP number.