rubygroup.jp - dns.ninja
rubygroup.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 118.27.125.185🇯🇵 GMO-INTERNET118.27.0.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | 118-27-125-185.virt.lolipop.jp | ||||||
| NS | rubygroup.jp ⭐ | ||||||
| A | 118.27.125.185🇯🇵 GMO-INTERNET118.27.0.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | 118-27-125-185.virt.lolipop.jp | ||||||
| NS | dns01.muumuu-domain.com | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| MX | mx01.lolipop.jp ⭐ | ||||||
| A | 157.7.107.233🇯🇵 GMO-INTERNET157.7.64.0/18 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| SOA | rubygroup.jppostmaster@rubygroup.jp serial=1675428840 | ||||||
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=1786938302 | ||||||
NS for
rubygroup.jp |
Same first word
rubygroup.in |
rubygroup.co |
rubygroup.jp |
Similar names
DNS History
7 records (5 active, 2 former)
●NSdns01.muumuu-domain.com2015-07-06 → 2026-08-17 · 2 obs
● 2026-08-17 04:14:10
●NSdns02.muumuu-domain.com2015-07-06 → 2026-08-17 · 2 obs
● 2026-08-17 04:14:10
●NSrubygroup.jp2015-07-06 → 2026-08-17 · 2 obs
● 2026-08-17 04:14:10
●MXmx01.lolipop.jp2015-07-06 → 2026-08-17 · 2 obs
● 2026-08-17 04:14:10
●A118.27.125.1852026-06-30 → 2026-08-17 · 3 obs
● 2026-06-30 09:10:30
● 2026-08-17 04:14:10
○A157.7.107.1462016-07-17 → 2017-03-30 · 5 obs
● 2016-07-17 11:23:10
● 2017-03-30 00:34:08
○ 2026-06-30 09:10:30
○ 2026-08-17 04:14:10
○A210.172.144.2092015-07-06 → 2016-03-20 · 4 obs
● 2016-03-20 07:00:30
○ 2016-07-17 11:23:10
○ 2026-08-17 04:14:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| rubygroup.jp | dns01.muumuu-domain.com, dns02.muumuu-domain.com | - |
✅ Authoritative Response
Server:202.239.23.39
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rubygroup.jp (unsigned zone)
⏱️ Timing
Total: 1394ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 118.27.125.185 |
| NS | 2 | dns01.muumuu-domain.com, dns02.muumuu-domain.com |
| MX | 1 | mx01.lolipop.jp (pri: 50) |
| SOA | 1 | rubygroup.jp postmaster.rubygroup.jp |
Analysis
Name Server Role
rubygroup.jp acts as a name server for rubygroup.jp, meaning it is self-referentially delegated.
It is common to find dns01.muumuu-domain.com and dns02.muumuu-domain.com serving as name servers together with rubygroup.jp.
IP Addresses
rubygroup.jp resolves to one IP address: 118.27.125.185.
nammoku.net, kai-unso.com, mu-tan.net and two other host names share IP numbers with rubygroup.jp.
Name Servers
Authority for rubygroup.jp is delegated across three name servers: rubygroup.jp, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
There is at least partial name server overlap between rubygroup.jp and other domains — nisfan.net, meikanseiki.com, ws-info.com and two more among them.
rubygroup.jp points to 118.27.125.185; dns01.muumuu-domain.com points to 202.239.23.39; dns02.muumuu-domain.com points to 160.251.249.62 — each hostname maps to exactly one IP address.
Mail Servers
Mail for rubygroup.jp is handled by a single mail server, mx01.lolipop.jp.
rubygroup.jp uses an identical mail server configuration to several other domains — among them japenboard.org, alalabo.com, inatsugu.co.jp and two more.
mx01.lolipop.jp carries a single IP number, which is 157.7.107.233.