clstaff.jp - robtex.com
clstaff.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 59.106.125.81🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| NS | ns1.kcrent.jp ⭐ | ||||||
| A | 18.177.167.45🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix | ||||||
| PTR | ns01.kcrent.jp | ||||||
| NS | ns2.kcrent.jp | ||||||
| A | 210.152.12.150🇯🇵 IDC210.152.0.0/20 Frontier Inc. | ||||||
| PTR | ns2.kcrent.jp | ||||||
| NS | ns3.kcrent.jp | ||||||
| A | 210.129.20.97🇯🇵 IDC210.129.16.0/20 Frontier Inc. | ||||||
| PTR | ns3.kcrent.jp | ||||||
| MX | mail.clstaff.jp ⭐ | ||||||
| A | 59.106.125.82🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| TXT | v=spf1 +ip4:59.106.125.0/25 +ip4:211.2.249.64/26 ~all | ||||||
| SOA | ns1.kcrent.jpdns-admin@kcrent.jp 2015-03-21 #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=1774611902 | ||||||
Subdomains
mail.clstaff.jp |
Same first word
clstaff.jp |
Similar names
DNS History
5 records (5 active, 0 former)
●MXmail.clstaff.jp2015-06-21 → 2026-03-27 · 2 obs
● 2026-03-27 12:05:36
●A59.106.125.812015-06-21 → 2026-03-27 · 2 obs
● 2026-03-27 12:05:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| clstaff.jp | ns3.kcrent.jp, ns1.kcrent.jp, ns2.kcrent.jp | 3 records |
✅ Authoritative Response
Server:210.152.12.150
NS records: ns3.kcrent.jp, ns1.kcrent.jp, ns2.kcrent.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for clstaff.jp (unsigned zone)
⏱️ Timing
Total: 2095ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 59.106.125.81 |
| NS | 3 | ns3.kcrent.jp, ns1.kcrent.jp... |
| MX | 1 | mail.clstaff.jp (pri: 10) |
| TXT | 1 | v=spf1 +ip4:59.106.125.0/25 +ip4:211.2.2 |
| SOA | 1 | ns1.kcrent.jp dns-admin.kcrent.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.kcrent.jp, ns2.kcrent.jp, ns3.kcrent.jp)
Analysis
Hierarchy
clstaff.jp is the parent of mail.clstaff.jp.
IP Addresses
clstaff.jp resolves to a single IP: 59.106.125.81.
Name Servers
clstaff.jp delegates to three name servers: ns1.kcrent.jp, ns2.kcrent.jp and ns3.kcrent.jp.
clstaff.jp shares some name servers with other domains, for example kc-r.com, 163.131.210.in-addr.arpa, 0-63.249.188.210.in-addr.arpa, 00c.196.146.210.in-addr.arpa and 7.114.203.in-addr.arpa.
These name servers are commonly used alongside ns01.kcrent.jp, ns4.kcrent.jp, ns3.kcrnet.jp and ns1.kcrent.co.jp.
Host names with a single IP: ns1.kcrent.jp points to 18.177.167.45; ns2.kcrent.jp points to 210.152.12.150; ns3.kcrent.jp points to 210.129.20.97.
Mail Servers
clstaff.jp is handled by a single mail server, mail.clstaff.jp.
Host name mail.clstaff.jp points to IP 59.106.125.82.