usefool.jp - dns.ninja
usefool.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=1781271903 | ||||||
Subdomains
application.usefool.jp |
Same first word
usefool.jp |
Similar names
DNS History
10 records (10 active, 0 former)
●MXalt1.aspmx.l.google.com2026-06-12 → 2026-06-12 · 2 obs
● 2026-06-12 13:54:04
●MXalt2.aspmx.l.google.com2026-06-12 → 2026-06-12 · 2 obs
● 2026-06-12 13:54:04
●MXalt3.aspmx.l.google.com2026-06-12 → 2026-06-12 · 2 obs
● 2026-06-12 13:54:04
●MXalt4.aspmx.l.google.com2026-06-12 → 2026-06-12 · 2 obs
● 2026-06-12 13:54:04
●MXaspmx.l.google.com2026-06-12 → 2026-06-12 · 2 obs
● 2026-06-12 13:54:04
●A219.94.163.942026-06-12 → 2026-06-12 · 2 obs
● 2026-06-12 13:54:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, c.dns.jp, a.dns.jp, f.dns.jp... | - |
| usefool.jp | 04.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.34.53
NS records: 04.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usefool.jp (unsigned zone)
⏱️ Timing
Total: 2950ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.163.94 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (01.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp...)
Analysis
Hierarchy
usefool.jp serves as the parent of application.usefool.jp.
IP Addresses
usefool.jp resolves to one IP address: 219.94.163.94.
ken-tossy.com, tec-pw.com, ai.abxc.net and two other host names share IP numbers with usefool.jp.
Name Servers
usefool.jp is delegated to four name servers, 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
usefool.jp has at least partial name server overlap with other domains, such as slatt.jp, mssyoyaku.com, fsh.jp and two others.
Hostnames that resolve to two IP addresses:
01.dnsv.jp maps to two IP addresses — 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp maps to two IP addresses — 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp maps to two IP addresses — 157.7.35.53 and 2400:8500:3fff::53.
Host names with one IP number:
02.dnsv.jp points to the IP address 157.7.33.53.
Mail Servers
usefool.jp is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
usefool.jp has at least partial mail server overlap with other domains such as datadrivenportal.com, idom.mobi, kingfishseafood.com and two more.
The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com maps to two IP addresses — 172.253.62.26 and 2607:f8b0:4004:c25::1a.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1b.