katuryoku.jp - robtex.com
katuryoku.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=1786704302 | ||||||
Subdomains
mail.katuryoku.jp |
DNS History
7 records (6 active, 1 former)
●NSns-1223.awsdns-24.org2015-05-30 → 2026-08-14 · 2 obs
● 2026-08-14 11:48:20
●NSns-1539.awsdns-00.co.uk2015-05-30 → 2026-08-14 · 2 obs
● 2026-08-14 11:48:20
●NSns-359.awsdns-44.com2015-05-30 → 2026-08-14 · 2 obs
● 2026-08-14 11:48:20
●NSns-987.awsdns-59.net2015-05-30 → 2026-08-14 · 2 obs
● 2026-08-14 11:48:20
●MXcab0.mx.cloud-mail.jp2016-01-26 → 2026-08-14 · 3 obs
● 2016-01-26 10:35:44
● 2026-08-14 11:48:20
○MXmail.katuryoku.jp2015-05-30 → 2015-12-20 · 4 obs
● 2015-12-20 16:42:54
○ 2016-01-26 10:35:44
○ 2026-08-14 11:48:20
●A61.202.159.902015-05-30 → 2026-08-14 · 2 obs
● 2026-08-14 11:48:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, e.dns.jp, d.dns.jp, f.dns.jp... | - |
| katuryoku.jp | ns-987.awsdns-59.net, ns-1539.awsdns-00.co.uk, ns-359.awsdns-44.com, ns-1223.awsdns-24.org | - |
✅ Authoritative Response
Server:205.251.196.199
NS records: ns-987.awsdns-59.net, ns-1539.awsdns-00.co.uk, ns-359.awsdns-44.com, ns-1223.awsdns-24.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for katuryoku.jp (unsigned zone)
⏱️ Timing
Total: 737ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.202.159.90 |
| NS | 4 | ns-1223.awsdns-24.org, ns-1539.awsdns-00.co.uk... |
| MX | 1 | cab0.mx.cloud-mail.jp (pri: 100) |
| TXT | 1 | v=spf1 +a:cab0.spf.cloud-mail.jp +ip4:54 |
| SOA | 1 | ns-1539.awsdns-00.co.uk awsdns-hostmaste |
Analysis
Hierarchy
katuryoku.jp is a parent domain of mail.katuryoku.jp.
IP Addresses
katuryoku.jp directs to one IP number, which is 61.202.159.90.
Among the host names that share IP numbers with katuryoku.jp are builtech.co.jp, blogdekoken.jp, webquick.jp and two others.
Name Servers
The domain katuryoku.jp is delegated to these four name servers: ns-359.awsdns-44.com, ns-987.awsdns-59.net, ns-1223.awsdns-24.org and ns-1539.awsdns-00.co.uk.
katuryoku.jp shares at least some of its name servers with other domains, including crmpam.com, showpad.us, fidelitycommunicationsbusiness.com and two others.
The host names ns-359.awsdns-44.com, ns-987.awsdns-59.net, ns-1223.awsdns-24.org and ns-1539.awsdns-00.co.uk each resolve to two IP addresses: ns-359.awsdns-44.com resolves to 205.251.193.103 and 2600:9000:5301:6700::1; ns-987.awsdns-59.net resolves to 205.251.195.219 and 2600:9000:5303:db00::1; ns-1223.awsdns-24.org resolves to 205.251.196.199 and 2600:9000:5304:c700::1; ns-1539.awsdns-00.co.uk resolves to 205.251.198.3 and 2600:9000:5306:300::1.
Mail Servers
katuryoku.jp routes its mail through a single mail server, cab0.mx.cloud-mail.jp.
katuryoku.jp has the same mail server arrangement as a number of other domains, for example cars-ds.com, yamato-sfdc2015.com, kenko-do.jp and two more.
katuryoku.jp shares at least some of its mail servers with other domains — for example go-ma.jp, funsou-kaiketu.com, tp-giken.co.jp and two more.
It is common to find these mail servers paired with the mail servers cab0.mx2.cloud-mail.jp.
cab0.mx.cloud-mail.jp resolves to a single IP number: 59.157.130.3.