kyugaku.com - robtex.com
kyugaku.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=1778472716 | ||||||
MX for
kyugaku.com |
Same first word
Similar names
DNS History
12 records (7 active, 5 former)
●NSns1.xserver.jp2026-02-24 → 2026-05-11 · 3 obs
● 2026-02-24 21:26:16
● 2026-05-11 04:41:08
●NSns2.xserver.jp2026-02-24 → 2026-05-11 · 3 obs
● 2026-02-24 21:26:16
● 2026-05-11 04:41:08
●NSns3.xserver.jp2026-02-24 → 2026-05-11 · 3 obs
● 2026-02-24 21:26:16
● 2026-05-11 04:41:08
●NSns4.xserver.jp2026-02-24 → 2026-05-11 · 3 obs
● 2026-02-24 21:26:16
● 2026-05-11 04:41:08
●NSns5.xserver.jp2026-02-24 → 2026-05-11 · 3 obs
● 2026-02-24 21:26:16
● 2026-05-11 04:41:08
○NSuns01.lolipop.jp2015-06-13 → 2017-04-10 · 4 obs
● 2017-04-10 07:58:06
○ 2026-02-24 21:26:16
○ 2026-05-11 04:41:08
○NSuns02.lolipop.jp2015-06-13 → 2017-04-10 · 4 obs
● 2017-04-10 07:58:06
○ 2026-02-24 21:26:16
○ 2026-05-11 04:41:08
●MXkyugaku.com2026-02-24 → 2026-05-11 · 3 obs
● 2026-02-24 21:26:16
● 2026-05-11 04:41:08
○MXmx01.lolipop.jp2015-06-13 → 2017-04-10 · 4 obs
● 2017-04-10 07:58:06
○ 2026-02-24 21:26:16
○ 2026-05-11 04:41:08
○A157.7.107.1112016-09-25 → 2017-04-10 · 5 obs
● 2016-09-25 00:27:38
● 2017-04-10 07:58:06
○ 2026-02-24 21:26:16
○ 2026-05-11 04:41:08
●A183.181.98.1532026-02-24 → 2026-05-11 · 3 obs
● 2026-02-24 21:26:16
● 2026-05-11 04:41:08
○A203.189.109.722015-06-13 → 2016-02-25 · 4 obs
● 2016-02-25 18:52:30
○ 2016-09-25 00:27:38
○ 2026-05-11 04:41:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net... | - |
| kyugaku.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:157.112.182.218
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 kyugaku.com (unsigned zone)
⏱️ Timing
Total: 1704ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.181.98.153 |
| NS | 5 | ns2.xserver.jp, ns1.xserver.jp... |
| MX | 1 | kyugaku.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv6152.xserver.jp +a:kyugaku.c |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
For kyugaku.com, the mail server is kyugaku.com.
IP Addresses
kyugaku.com resolves to one IP number: 183.181.98.153.
other host names including yurufu.com, aikyoken.com, aul.jp, ihara-kohsan.co.jp and www.osusume-hoken.com share IP numbers with kyugaku.com.
Name Servers
kyugaku.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
kyugaku.com at least partially shares name servers with other domains, for instance en-knots.com, awmsapporo.co.jp, asahi-rousai.com, notoinsatu.co.jp and kubotasika.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
kyugaku.com is served by a single mail server, kyugaku.com.
kyugaku.com resolves to IP 183.181.98.153.