ryosei.jp - robtex.com
ryosei.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.12🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | ns2.namedserver.net ⭐ | ||||||
| A | 157.120.112.212🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.212🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.212🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| NS | ns.namedserver.net | ||||||
| A | 157.120.112.212🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.212🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.212🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| MX | mx.ryosei.jp ⭐ | ||||||
| A | 153.122.206.114🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| TXT | v=spf1 include:_spf.shared-server.net ~all | ||||||
| SOA | ns.namedserver.netroot@namedserver.net serial=2698681008 | ||||||
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=1777094102 | ||||||
Subdomains
mx.ryosei.jp |
Same first word
ryosei.jp |
Similar names
erisyo.com |
seiryo.co.jp |
sryeio.com |
seiryo.jp |
seiryo.ed.jp |
yirose.com |
oseyri.net |
seiryo.ac.jp |
seiryo.cn |
yesori.com |
eyrios.eu |
soyier.com |
osyrie.be |
seiryo.biz |
DNS History
5 records (4 active, 1 former)
●NSns.namedserver.net2015-06-22 → 2026-04-25 · 2 obs
● 2026-04-25 05:36:50
●NSns2.namedserver.net2015-06-22 → 2026-04-25 · 2 obs
● 2026-04-25 05:36:50
●MXmx.ryosei.jp2015-06-22 → 2026-04-25 · 2 obs
● 2026-04-25 05:36:50
●A153.122.205.122026-04-18 → 2026-04-25 · 3 obs
● 2026-04-18 03:34:12
● 2026-04-25 05:36:50
○A211.13.196.1392015-06-22 → 2017-05-24 · 4 obs
● 2017-05-24 03:55:48
○ 2026-04-18 03:34:12
○ 2026-04-25 05:36:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| ryosei.jp | ns.namedserver.net, ns2.namedserver.net | - |
✅ Authoritative Response
Server:157.120.114.212
NS records: ns.namedserver.net, ns2.namedserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ryosei.jp (unsigned zone)
⏱️ Timing
Total: 947ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.12 |
| NS | 2 | ns.namedserver.net, ns2.namedserver.net |
| MX | 1 | mx.ryosei.jp (pri: 100) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net ~a |
| SOA | 1 | ns.namedserver.net root.namedserver.net |
Analysis
Hierarchy
ryosei.jp is the parent of mx.ryosei.jp.
IP Addresses
ryosei.jp points to a single IP number: 153.122.205.12.
other host names for instance www.ams-group.jp, w-houkan.com, denpo.com, zuikoen.or.jp and kouzen.co.jp share IP numbers with ryosei.jp.
Name Servers
ryosei.jp is delegated to two name servers: ns2.namedserver.net and ns.namedserver.net.
ryosei.jp shares the same name server setup as other domains, for example gotoh-dental.com, 219.81.122.153.in-addr.arpa, 86.38.122.153.in-addr.arpa, kaneyasu.co.jp and nihon-kyoken.net.
Host names with three IP numbers:
ns2.namedserver.net points to 157.120.112.212, 157.120.113.212 and 157.120.114.212.
ns.namedserver.net points to 157.120.112.212, 157.120.113.212 and 157.120.114.212.
Names pointing to 157.120.112.212: ns2.namedserver.net and ns.namedserver.net.
Names pointing to 157.120.113.212: ns2.namedserver.net and ns.namedserver.net.
Names pointing to 157.120.114.212: ns2.namedserver.net and ns.namedserver.net.
Mail Servers
ryosei.jp is handled by a single mail server, mx.ryosei.jp.
Host name mx.ryosei.jp points to IP address 153.122.206.114.