appdeveloper.jp - robtex.com
appdeveloper.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.128.162🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www922.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 | appdeveloper.jp ⭐ | ||||||
| A | 219.94.128.162🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www922.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www922.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2022-07-30 #15 | ||||||
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=1790142303 | ||||||
MX for
appdeveloper.jp |
Same first word
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●MXappdeveloper.jp2026-09-09 → 2026-09-23 · 2 obs
● 2026-09-23 05:58:12
●A219.94.128.1622026-09-09 → 2026-09-23 · 2 obs
● 2026-09-23 05:58:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, d.dns.jp, e.dns.jp, h.dns.jp... | 15 records |
| appdeveloper.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for appdeveloper.jp (unsigned zone)
⏱️ Timing
Total: 4028ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.128.162 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | appdeveloper.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www922.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 17
In-bailiwick: 15 (a.dns.jp, b.dns.jp, c.dns.jp...)
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Mail Server Role
appdeveloper.jp serves as a mail server for appdeveloper.jp.
IP Addresses
appdeveloper.jp has exactly one IP address — 219.94.128.162.
masakensetukougyou.jp, keep--better.com, ardense.net plus two other host names have IP numbers in common with appdeveloper.jp.
Name Servers
DNS for appdeveloper.jp is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
There is at least partial name server overlap between appdeveloper.jp and other domains — sh-eri.net, yu-kento.com, kaneko.or.jp and two more among them.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp all have one IP address each — master.dns.ne.jp directs to 210.224.172.18, ns1.dns.ne.jp directs to 61.211.236.1 and ns2.dns.ne.jp directs to 133.167.21.1.
Mail Servers
appdeveloper.jp uses exactly one mail server, which is appdeveloper.jp.
appdeveloper.jp has exactly one IP number: 219.94.128.162.