prototype-dev.work - dns.ninja
prototype-dev.work
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.128.82🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| 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 | prototype-dev.work ⭐ | ||||||
| A | 219.94.128.82🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| TXT | v=spf1 a:www872.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2019-07-05 #18 | ||||||
work
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.work ⭐ | ||||||
| NS | b.nic.work | ||||||
| NS | c.nic.work | ||||||
| NS | x.nic.work | ||||||
| NS | y.nic.work | ||||||
| NS | z.nic.work | ||||||
| SOA | a.nic.workadmin@tldns.godaddy serial=1791243731 | ||||||
MX for
prototype-dev.work |
Same first word
prototype-dev.work |
prototype-dev.pages.dev |
prototype-dev.com |
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●MXprototype-dev.work2026-10-03 → 2026-10-06 · 2 obs
● 2026-10-06 00:24:56
●A219.94.128.822026-10-03 → 2026-10-06 · 2 obs
● 2026-10-06 00:24:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| work | a.nic.work, b.nic.work, c.nic.work, x.nic.work... | 12 records |
| prototype-dev.work | ns2.dns.ne.jp, ns1.dns.ne.jp | - |
✅ 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 prototype-dev.work (unsigned zone)
⏱️ Timing
Total: 1441ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.128.82 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | prototype-dev.work (pri: 10) |
| TXT | 1 | v=spf1 a:www872.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.work, a.nic.work, b.nic.work...)
Analysis
Mail Server Role
The MX record for prototype-dev.work points back to prototype-dev.work — it is its own mail server.
IP Addresses
prototype-dev.work directs to one IP number, which is 219.94.128.82.
Among the host names that share IP numbers with prototype-dev.work are stock-job.com, minori-kenchiku.jp, hotflute.com and two others.
Name Servers
prototype-dev.work is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
At least some of prototype-dev.work's name servers are shared with other domains, for example ofmine.jp, emnet.co.jp, frogcatgames.com and two more.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP address: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
The MX record for prototype-dev.work points to a single mail server: prototype-dev.work.
prototype-dev.work resolves to a single IP number: 219.94.128.82.