kushu.work - robtex.com
kushu.work
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.167.8.79🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | www5169.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 | kushu.work ⭐ | ||||||
| A | 133.167.8.79🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | www5169.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www5169.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2022-05-17 #24 | ||||||
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=1773500383 | ||||||
MX for
kushu.work |
Same first word
Similar names
shuku.net |
huusk.org |
husku.net |
shuku.com |
kuush.com.au |
hkusu.org |
khuus.com |
huusk.es |
shuku.cn |
shuku.org |
kuush.com |
DNS History
5 records (5 active, 0 former)
●MXkushu.work2026-02-16 → 2026-03-14 · 2 obs
● 2026-03-14 18:26:24
●A133.167.8.792026-02-16 → 2026-03-14 · 2 obs
● 2026-03-14 18:26:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| work | z.nic.work, y.nic.work, a.nic.work, c.nic.work... | 12 records |
| kushu.work | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server: 61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kushu.work (unsigned zone)
⏱️ Timing
Total: 1337ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.8.79 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | kushu.work (pri: 10) |
| TXT | 1 | v=spf1 a:www5169.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.nic.work, y.nic.work, x.nic.work...)
Analysis
Mail Server Role
kushu.work serves as the mail server for kushu.work.
IP Addresses
kushu.work resolves to a single IP address: 133.167.8.79.
Other host names including araidou.com, tomoando.com, sueyosi.co.jp, s-trunk.com and artemis-s.jp share IP numbers with kushu.work.
Name Servers
kushu.work is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
kushu.work at least partially shares name servers with other domains, including sansuika.com, toyooka-jk.com, tachiaigawa.com, is-lo.jp and o-johnan.sakura.ne.jp.
Hostnames with a single IP:
master.dns.ne.jp points to: 210.224.172.18.
ns1.dns.ne.jp points to: 61.211.236.1.
ns2.dns.ne.jp points to: 133.167.21.1.
Mail Servers
A single mail server handles kushu.work.
kushu.work points to a single IP: 133.167.8.79.