r-kit.jp - robtex.com
r-kit.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.168.79.167🇯🇵 IDC210.168.0.0/17 Frontier Inc. | ||||||
| NS | ns1.dns-server.jp ⭐ | ||||||
| A | 210.239.65.38🇯🇵 IDC210.239.64.0/21 Frontier Inc. | ||||||
| PTR | ns1.dns-server.jp | ||||||
| NS | ns2.dns-server.jp | ||||||
| A | 18.177.45.193🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-18-177-45-193.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns3.dns-server.jp | ||||||
| A | 210.152.8.223🇯🇵 IDC210.152.0.0/20 Frontier Inc. | ||||||
| PTR | ns3.dns-server.jp | ||||||
| NS | ns4.dns-server.jp | ||||||
| A | 15.168.90.255🇯🇵 Amazon15.168.0.0/16 EC2 KIX Prefix | ||||||
| PTR | ec2-15-168-90-255.ap-northeast-3.compute.amazonaws.com | ||||||
| MX | mail.r-kit.jp ⭐ | ||||||
| A | 210.168.79.167🇯🇵 IDC210.168.0.0/17 Frontier Inc. | ||||||
| SOA | ns1.dns-server.jpdomain@seeds.ne.jp 2025-08-19 #1 | ||||||
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=1785161702 | ||||||
Subdomains
mail.r-kit.jp |
Same first word
Similar names
k-tri.dk |
tri-k.com |
itk-r.de |
kr-it.ru |
tri-k.net |
kit-r.jp |
tri-k.us |
it-kr.de |
rk-it.com |
kr-it.de |
kr-it.com |
kit-r.com |
it-rk.ru |
rk-it.info |
rk-it.de |
t-ikr.ru |
tri-k.ru |
ik-rt.ru |
t-rik.ru |
rk-it.eu |
rk-it.at |
rk-it.co.uk |
DNS History
6 records (6 active, 0 former)
●NSns1.dns-server.jp2026-03-05 → 2026-07-27 · 2 obs
● 2026-07-27 15:03:50
●NSns2.dns-server.jp2026-03-05 → 2026-07-27 · 2 obs
● 2026-07-27 15:03:50
●NSns3.dns-server.jp2026-03-05 → 2026-07-27 · 2 obs
● 2026-07-27 15:03:50
●NSns4.dns-server.jp2026-03-05 → 2026-07-27 · 2 obs
● 2026-07-27 15:03:50
●MXmail.r-kit.jp2026-03-05 → 2026-07-27 · 2 obs
● 2026-07-27 15:03:50
●A210.168.79.1672026-03-05 → 2026-07-27 · 2 obs
● 2026-07-27 15:03:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| r-kit.jp | ns4.dns-server.jp, ns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp | 4 records |
✅ Authoritative Response
Server:210.152.8.223
NS records: ns4.dns-server.jp, ns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for r-kit.jp (unsigned zone)
⏱️ Timing
Total: 723ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.168.79.167 |
| NS | 4 | ns3.dns-server.jp, ns2.dns-server.jp... |
| MX | 1 | mail.r-kit.jp (pri: 10) |
| SOA | 1 | ns1.dns-server.jp domain.seeds.ne.jp |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp...)
Analysis
Hierarchy
mail.r-kit.jp is a subdomain of r-kit.jp.
IP Addresses
r-kit.jp points to a single IP number: 210.168.79.167.
Among the host names that share IP numbers with r-kit.jp is mail.r-kit.jp, as one example.
Name Servers
r-kit.jp has four authoritative name servers: ns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp and ns4.dns-server.jp.
The name servers of r-kit.jp overlap at least partially with those of other domains — among them haijima-ds.co.jp, nihon-oa.com, 197.158.210.in-addr.arpa and two more.
ns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp and ns4.dns-server.jp each resolve to one IP address: ns1.dns-server.jp resolves to 210.239.65.38, ns2.dns-server.jp resolves to 18.177.45.193, ns3.dns-server.jp resolves to 210.152.8.223 and ns4.dns-server.jp resolves to 15.168.90.255.
Mail Servers
r-kit.jp has one mail server: mail.r-kit.jp.
mail.r-kit.jp resolves to 210.168.79.167 and no other IP number.