sf-it.jp - robtex.com
sf-it.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.18.87.73🇯🇵 KAGOYAJAPAN133.18.0.0/16 KAGOYA Japan Inc. | ||||||
| PTR | o3101v-175.kagoya.net | ||||||
| NS | ns0.kagoya.net ⭐ | ||||||
| A | 210.134.60.132🇯🇵 KAGOYAJAPAN210.134.48.0/20 KAGOYA Japan Inc. | ||||||
| PTR | ns0.kagoya.net | ||||||
| NS | ns.kagoya.net | ||||||
| A | 210.134.60.132🇯🇵 KAGOYAJAPAN210.134.48.0/20 KAGOYA Japan Inc. | ||||||
| PTR | ns0.kagoya.net | ||||||
| NS | ns1.kagoya.net | ||||||
| A | 203.142.206.132🇯🇵 KAGOYAJAPAN203.142.192.0/20 KAGOYA Japan Inc. | ||||||
| PTR | ns1.kagoya.net | ||||||
| MX | dmail.kagoya.net ⭐ | ||||||
| A | 210.134.51.6🇯🇵 KAGOYAJAPAN210.134.48.0/20 KAGOYA Japan Inc. | ||||||
| PTR | dmail01.kagoya.net | ||||||
| A | 210.134.51.7🇯🇵 KAGOYAJAPAN210.134.48.0/20 KAGOYA Japan Inc. | ||||||
| PTR | dmail02.kagoya.net | ||||||
| A | 210.134.58.253🇯🇵 KAGOYAJAPAN210.134.48.0/20 KAGOYA Japan Inc. | ||||||
| PTR | dmail03.kagoya.net | ||||||
| A | 210.134.58.254🇯🇵 KAGOYAJAPAN210.134.48.0/20 KAGOYA Japan Inc. | ||||||
| PTR | dmail04.kagoya.net | ||||||
| TXT | v=spf1 include:kagoya.net ~all | ||||||
| SOA | ns.kagoya.netroot@kagoya.net serial=2023090001 | ||||||
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=1784988902 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns.kagoya.net2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 15:10:44
●NSns0.kagoya.net2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 15:10:44
●NSns1.kagoya.net2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 15:10:44
●MXdmail.kagoya.net2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 15:10:44
●A133.18.87.732026-05-09 → 2026-07-25 · 3 obs
● 2026-05-09 17:08:24
● 2026-07-25 15:10:44
○A210.134.59.1342015-08-07 → 2017-04-06 · 4 obs
● 2017-04-06 19:35:34
○ 2026-05-09 17:08:24
○ 2026-07-25 15:10:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, g.dns.jp, h.dns.jp, c.dns.jp... | - |
| sf-it.jp | ns0.kagoya.net, ns1.kagoya.net | - |
✅ Authoritative Response
Server:203.142.206.132
NS records: ns0.kagoya.net, ns1.kagoya.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sf-it.jp (unsigned zone)
⏱️ Timing
Total: 1139ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.18.87.73 |
| NS | 2 | ns0.kagoya.net, ns1.kagoya.net |
| MX | 1 | dmail.kagoya.net (pri: 10) |
| TXT | 1 | v=spf1 include:kagoya.net ~all |
| SOA | 1 | ns.kagoya.net root.kagoya.net |
Analysis
IP Addresses
sf-it.jp directs to one IP number, which is 133.18.87.73.
Name Servers
DNS for sf-it.jp is handled by three authoritative name servers: ns0.kagoya.net, ns1.kagoya.net and ns.kagoya.net.
sf-it.jp shares at least some of its name servers with other domains, including e-okayama.co.jp, 48.134.210.in-addr.arpa, palkids.co.jp and two others.
Each of the hostnames ns0.kagoya.net, ns1.kagoya.net and ns.kagoya.net has a single IP address assigned: ns0.kagoya.net directs to 210.134.60.132, ns1.kagoya.net directs to 203.142.206.132 and ns.kagoya.net directs to 210.134.60.132.
Host names pointing to 210.134.60.132 IP addresses: ns0.kagoya.net and ns.kagoya.net.
Mail Servers
sf-it.jp routes its mail through a single mail server, dmail.kagoya.net.
sf-it.jp has the same mail server arrangement as a number of other domains, for example i-s.co.jp, takada-dojo.com, bitwallet-jp.com and two more.
The host dmail.kagoya.net directs to four IP numbers: 210.134.51.6, 210.134.51.7, 210.134.58.253 and 210.134.58.254.