blueworld.jp - dns.ninja
blueworld.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 182.48.49.189🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2249.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 | blueworld.jp ⭐ | ||||||
| A | 182.48.49.189🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2249.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2249.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2019-06-15 #13 | ||||||
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=1786881602 | ||||||
MX for
blueworld.jp |
Same first word
Similar names
worldblue.xyz |
worldebul.com |
lubeworld.eu |
lubeworld.com.my |
worldblue.com |
lubeworld.com |
lubeworld.de |
worldlube.com |
bleuworld.com |
DNS History
6 records (5 active, 1 former)
●MXblueworld.jp2015-06-22 → 2026-08-16 · 2 obs
● 2026-08-16 12:15:36
●A182.48.49.1892026-08-16 → 2026-08-16 · 3 obs
● 2026-08-16 12:15:34
● 2026-08-16 12:15:36
○A49.212.198.422015-06-22 → 2018-08-21 · 4 obs
● 2018-08-21 02:31:36
○ 2026-08-16 12:15:34
○ 2026-08-16 12:15:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| blueworld.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 blueworld.jp (unsigned zone)
⏱️ Timing
Total: 799ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 182.48.49.189 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | blueworld.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www2249.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
Mail Server Role
blueworld.jp acts as its own mail server.
IP Addresses
blueworld.jp points to a single IP number: 182.48.49.189.
Additional host names — mitoku.biz, fpcsp.com, k-yoshie.com and two others — share IP numbers with blueworld.jp.
Name Servers
The authoritative name servers for blueworld.jp are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.
At least some of blueworld.jp's name servers are shared with other domains, for example e-ninsho.ne.jp, pine-tree.info, satoukensetsu.com and two more.
These name servers tend to be used in conjunction with the name servers dns.sakura.ad.jp.
The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.
Mail Servers
blueworld.jp has a single mail server: blueworld.jp itself.
blueworld.jp directs to just one IP number, 182.48.49.189.