ryuumu.com - robtex.com
ryuumu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 180.222.182.122🇯🇵 AS131921180.222.176.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | rs04.ryuumu.co.jp | ||||||
| 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 | mail.ryuumu.com ⭐ | ||||||
| A | 180.222.182.122🇯🇵 AS131921180.222.176.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | rs04.ryuumu.co.jp | ||||||
| MX | ryuumu.com ⭐ | ||||||
| A | 180.222.182.122🇯🇵 AS131921180.222.176.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | rs04.ryuumu.co.jp | ||||||
| SOA | ns.namedserver.netroot@namedserver.net serial=2298866853 | ||||||
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=1778389896 | ||||||
MX for
ryuumu.com |
Subdomains
mail.ryuumu.com |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns.namedserver.net2015-07-14 → 2026-05-10 · 2 obs
● 2026-05-10 05:23:30
●NSns2.namedserver.net2015-07-14 → 2026-05-10 · 2 obs
● 2026-05-10 05:23:30
●MXmail.ryuumu.com2015-07-14 → 2026-05-10 · 2 obs
● 2026-05-10 05:23:30
●MXryuumu.com2015-07-14 → 2026-05-10 · 2 obs
● 2026-05-10 05:23:30
●A180.222.182.1222026-03-19 → 2026-05-10 · 3 obs
● 2026-03-19 06:22:52
● 2026-05-10 05:23:30
○A210.163.11.1392015-07-14 → 2017-10-04 · 4 obs
● 2017-10-04 17:49:54
○ 2026-03-19 06:22:52
○ 2026-05-10 05:23:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net... | - |
| ryuumu.com | ns.namedserver.net, ns2.namedserver.net | - |
✅ Authoritative Response
Server:157.120.113.212
NS records: ns.namedserver.net, ns2.namedserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ryuumu.com (unsigned zone)
⏱️ Timing
Total: 1502ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 180.222.182.122 |
| NS | 2 | ns.namedserver.net, ns2.namedserver.net |
| MX | 2 | ryuumu.com (pri: 100), mail.ryuumu.com (pri: 100) |
| SOA | 1 | ns.namedserver.net root.namedserver.net |
Analysis
Hierarchy
ryuumu.com is a parent of mail.ryuumu.com.
Mail Server Role
ryuumu.com serves as the mail server for ryuumu.com.
For mail handling, mail.ryuumu.com serves as a mail server together with ryuumu.com.
IP Addresses
ryuumu.com points to a single IP number: 180.222.182.122.
Other host names, for instance mail.drug-karen.com, caremeister.co.jp, office-plot.com, sc-yamane.com and kyo-lavanderia.com share IP numbers with ryuumu.com.
Name Servers
Delegation for ryuumu.com rests with two name servers, ns2.namedserver.net and ns.namedserver.net.
ryuumu.com shares the same name server setup as other domains, including 101.149.237.202.in-addr.arpa, erukaji.com, ptr67.ptrcloud.net, ptr219.ptrcloud.net and 165.178.222.180.in-addr.arpa.
ryuumu.com partially shares name servers with other domains; for instance 245.95.125.211.in-addr.arpa and momo-02.ex-cloud.biz.
Host names with three IP numbers: The host names ns2.namedserver.net and ns.namedserver.net point to 157.120.112.212, 157.120.113.212 and 157.120.114.212. Host names that point to 157.120.112.212: ns2.namedserver.net and ns.namedserver.net. Host names that point to 157.120.113.212: ns2.namedserver.net and ns.namedserver.net. Host names that point to 157.120.114.212: ns2.namedserver.net and ns.namedserver.net.
Mail Servers
Two mail servers handle ryuumu.com: ryuumu.com and mail.ryuumu.com.
Host names sharing a single IP:
ryuumu.com points to 180.222.182.122
mail.ryuumu.com points to 180.222.182.122
Host names that point to 180.222.182.122: ryuumu.com and mail.ryuumu.com