4boom.jp - robtex.com
4boom.jp
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=1784379603 | ||||||
MX for
4boom.jp |
Same first word
4boom.jp |
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2015-06-29 → 2026-07-18 · 2 obs
● 2026-07-18 13:37:20
●NSns2.xserver.jp2015-06-29 → 2026-07-18 · 2 obs
● 2026-07-18 13:37:20
●NSns3.xserver.jp2015-06-29 → 2026-07-18 · 2 obs
● 2026-07-18 13:37:20
●NSns4.xserver.jp2015-06-29 → 2026-07-18 · 2 obs
● 2026-07-18 13:37:20
●NSns5.xserver.jp2015-06-29 → 2026-07-18 · 2 obs
● 2026-07-18 13:37:20
●MX4boom.jp2015-06-29 → 2026-07-18 · 2 obs
● 2026-07-18 13:37:20
●A202.226.39.1662026-02-26 → 2026-07-18 · 3 obs
● 2026-02-26 23:09:42
● 2026-07-18 13:37:20
○A219.94.203.1662015-06-29 → 2016-12-12 · 4 obs
● 2016-12-12 16:56:26
○ 2026-02-26 23:09:42
○ 2026-07-18 13:37:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, a.dns.jp, d.dns.jp, c.dns.jp... | - |
| 4boom.jp | ns5.xserver.jp, ns2.xserver.jp, ns4.xserver.jp, ns3.xserver.jp... | 11 records |
✅ Authoritative Response
Server:157.112.182.218
NS records: ns5.xserver.jp, ns2.xserver.jp, ns4.xserver.jp, ns3.xserver.jp, ns1.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4boom.jp (unsigned zone)
⏱️ Timing
Total: 694ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.39.166 |
| NS | 5 | ns5.xserver.jp, ns4.xserver.jp... |
| MX | 1 | 4boom.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv326.xserver.jp +a:4boom.jp + |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)
Analysis
Mail Server Role
4boom.jp is listed as a mail server for itself.
IP Addresses
4boom.jp resolves to one IP address: 202.226.39.166.
yuasa-daiku.com, egao-sintex.com, www.kougei-t.jp and two other host names share IP numbers with 4boom.jp.
Name Servers
4boom.jp has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
4boom.jp shares at least some of its name servers with other domains, including hino-nenkin.com, pureko.net, e-web-service.com and two others.
These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that resolve to three IP addresses:
ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts with just one IP address:
ns2.xserver.jp points to 35.72.43.26.
ns3.xserver.jp points to 202.226.36.247.
Mail Servers
Mail for 4boom.jp is handled by one mail server — 4boom.jp.
4boom.jp resolves to a single IP number: 202.226.39.166.