kateigaku.com - robtex.com
kateigaku.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776023592 | ||||||
MX for
kateigaku.com |
Subdomains
www.kateigaku.com |
Same first word
kateigaku.com |
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-02-26 → 2026-04-12 · 2 obs
● 2026-04-12 20:18:10
●NSns2.xserver.jp2026-02-26 → 2026-04-12 · 2 obs
● 2026-04-12 20:18:10
●NSns3.xserver.jp2026-02-26 → 2026-04-12 · 2 obs
● 2026-04-12 20:18:10
●NSns4.xserver.jp2026-02-26 → 2026-04-12 · 2 obs
● 2026-04-12 20:18:10
●NSns5.xserver.jp2026-02-26 → 2026-04-12 · 2 obs
● 2026-04-12 20:18:10
●MXkateigaku.com2026-02-26 → 2026-04-12 · 2 obs
● 2026-04-12 20:18:10
●A85.131.197.622026-02-26 → 2026-04-12 · 2 obs
● 2026-04-12 20:18:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| kateigaku.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kateigaku.com (unsigned zone)
⏱️ Timing
Total: 3030ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.197.62 |
| NS | 5 | ns3.xserver.jp, ns5.xserver.jp... |
| MX | 1 | kateigaku.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv16121.xserver.jp +a:kateigak |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
kateigaku.com is the parent of www.kateigaku.com.
Mail Server Role
For kateigaku.com, the mail server is kateigaku.com.
IP Addresses
kateigaku.com resolves to one IP number: 85.131.197.62.
other host names including sv16121.xserver.jp, dentsu-sdgs.com, issei.biz, smtp.is8718.com and dc-momo.com share IP numbers with kateigaku.com.
Name Servers
kateigaku.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
kateigaku.com at least partially shares name servers with other domains, for instance bigblue.gr.jp, kikuchi-juken.com, dokeiren.gr.jp, huuhu-kurashi.com and zero-tips.com.
Host names with three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246; ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247; ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
ns2.xserver.jp points to: 35.72.43.26; ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
kateigaku.com is served by a single mail server, kateigaku.com.
kateigaku.com resolves to IP 85.131.197.62.