ryouiku.com - robtex.com
ryouiku.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=1774633287 | ||||||
MX for
ryouiku.com |
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
○NSns1.value-domain.com2015-06-26 → 2018-05-18 · 4 obs
● 2018-05-18 03:08:02
○ 2026-03-27 17:50:30
○ 2026-03-27 17:50:32
●NSns1.xserver.jp2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 17:50:30
● 2026-03-27 17:50:32
○NSns2.value-domain.com2015-06-26 → 2018-05-18 · 4 obs
● 2018-05-18 03:08:02
○ 2026-03-27 17:50:30
○ 2026-03-27 17:50:32
●NSns2.xserver.jp2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 17:50:30
● 2026-03-27 17:50:32
●NSns3.xserver.jp2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 17:50:30
● 2026-03-27 17:50:32
●NSns4.xserver.jp2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 17:50:30
● 2026-03-27 17:50:32
●NSns5.xserver.jp2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 17:50:30
● 2026-03-27 17:50:32
●MXryouiku.com2015-06-26 → 2026-03-27 · 2 obs
● 2026-03-27 17:50:32
●A162.43.121.1972026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 17:50:30
● 2026-03-27 17:50:32
○A202.172.26.332015-06-26 → 2018-05-18 · 4 obs
● 2018-05-18 03:08:02
○ 2026-03-27 17:50:30
○ 2026-03-27 17:50:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net... | - |
| ryouiku.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.164
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 ryouiku.com (unsigned zone)
⏱️ Timing
Total: 2918ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.121.197 |
| NS | 5 | ns5.xserver.jp, ns2.xserver.jp... |
| MX | 1 | ryouiku.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14396.xserver.jp +a:ryouiku. |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
ryouiku.com serves as the mail server for ryouiku.com.
IP Addresses
ryouiku.com resolves to a single IP address: 162.43.121.197.
Other host names including girlsbaito.jp, ikplus.co.jp, takanoya.co.jp, medweb.jp and mdsa.jp share IP numbers with ryouiku.com.
Name Servers
ryouiku.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
ryouiku.com at least partially shares name servers with other domains, including dark-horse.jp, yama-mori-song.com, miyamoto-shikaiin.com, inabaudon.com and dex-center.net.
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
A single mail server handles ryouiku.com.
ryouiku.com points to a single IP: 162.43.121.197.