ryugaku.net - robtex.com
ryugaku.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.71.153🇯🇵 GMO-INTERNET160.251.71.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | www330.conoha.ne.jp | ||||||
| NS | ns-a1.conoha.io ⭐ | ||||||
| A | 2400:8500:3000::88🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | ns-a1.cnode.io | ||||||
| A | 157.7.33.88🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | ns-a1.cnode.io | ||||||
| NS | ns-a2.conoha.io | ||||||
| A | 2404:8680:1101:310::53🇹🇭 GMO-ZCOM-AS-TH2404:8680:1101::/48 GMO-Z com NetDesign Holdings Co., Ltd. 246 Times Square Building 10th Fl., Room 10/04, Sukhumvit 12-14 Rd., Klongtoey Klongtoey, Bangkok 10110 | ||||||
| A | 150.95.23.148🇹🇭 GMO-ZCOM-AS-TH150.95.20.0/22 GMO-Z com NetDesign Holdings Co., Ltd. 246 Times Square Building 10th Fl., Room 10/04, Sukhumvit 12-14 Rd., Klongtoey Klongtoey, Bangkok 10110 | ||||||
| PTR | v150-95-23-148.a001.m.bkk1.static.cnode.io | ||||||
| NS | ns-a3.conoha.io | ||||||
| A | 2404:f080:1101:310::53🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi | ||||||
| A | 150.95.19.148🇻🇳 GMO-ZCOM-AS-VN150.95.16.0/22 RUNSYSTEM-VN | ||||||
| PTR | v150-95-19-148.a001.m.han1.static.cnode.io | ||||||
| MX | gt115.secure.ne.jp ⭐ | ||||||
| A | 122.200.230.11🇯🇵 CPI-NET122.200.224.0/19 | ||||||
| PTR | gt115.secure.ne.jp | ||||||
| SOA | ns-a1.conoha.iopostmaster@example.org serial=1774519013 | ||||||
net
| 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=1774675367 | ||||||
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
●NSns-a1.conoha.io2020-02-18 → 2026-03-28 · 3 obs
● 2020-02-18 22:33:42
● 2026-03-28 05:24:20
●NSns-a2.conoha.io2020-02-18 → 2026-03-28 · 3 obs
● 2020-02-18 22:33:42
● 2026-03-28 05:24:20
●NSns-a3.conoha.io2020-02-18 → 2026-03-28 · 3 obs
● 2020-02-18 22:33:42
● 2026-03-28 05:24:20
○NSns4.cpi.ad.jp2015-07-25 → 2017-04-02 · 4 obs
● 2017-04-02 20:58:14
○ 2020-02-18 22:33:42
○ 2026-03-28 05:24:20
○NSns5.cpi.ad.jp2015-07-25 → 2017-04-02 · 4 obs
● 2017-04-02 20:58:14
○ 2020-02-18 22:33:42
○ 2026-03-28 05:24:20
●MXgt115.secure.ne.jp2020-02-18 → 2026-03-28 · 3 obs
● 2020-02-18 22:33:42
● 2026-03-28 05:24:20
○MXvlmx20.secure.ne.jp2015-07-25 → 2017-04-02 · 4 obs
● 2017-04-02 20:58:14
○ 2020-02-18 22:33:42
○ 2026-03-28 05:24:20
○MXvlmx21.secure.ne.jp2015-07-25 → 2017-04-02 · 4 obs
● 2017-04-02 20:58:14
○ 2020-02-18 22:33:42
○ 2026-03-28 05:24:20
○MXvlmx22.secure.ne.jp2015-07-25 → 2017-04-02 · 4 obs
● 2017-04-02 20:58:14
○ 2020-02-18 22:33:42
○ 2026-03-28 05:24:20
○A118.27.30.2452020-02-18 → 2020-02-18 · 4 obs
● 2020-02-18 22:33:42
○ 2026-03-27 01:17:08
○ 2026-03-28 05:24:20
○A122.200.230.392015-07-25 → 2017-04-02 · 4 obs
● 2017-04-02 20:58:14
○ 2020-02-18 22:33:42
○ 2026-03-28 05:24:20
●A160.251.71.1532026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 01:17:08
● 2026-03-28 05:24:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ryugaku.net | ns-a1.conoha.io, ns-a2.conoha.io, ns-a3.conoha.io | - |
✅ Authoritative Response
Server:150.95.23.148
NS records: ns-a1.conoha.io, ns-a2.conoha.io, ns-a3.conoha.io
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ryugaku.net (unsigned zone)
⏱️ Timing
Total: 1175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.71.153 |
| NS | 3 | ns-a1.conoha.io, ns-a2.conoha.io... |
| MX | 1 | gt115.secure.ne.jp (pri: 10) |
| SOA | 1 | ns-a1.conoha.io postmaster.example.org |
Analysis
IP Addresses
ryugaku.net resolves to a single IP: 160.251.71.153.
Other host names, for instance rikuyou.com, www.shinsetsu.org, 0hayou.com, miju-miju.com and sapporo-keijibengosi.com share IP numbers with ryugaku.net.
Name Servers
ryugaku.net delegates to three name servers: ns-a1.conoha.io, ns-a2.conoha.io and ns-a3.conoha.io.
ryugaku.net shares some name servers with other domains, for example jk-uniform.com, leflog.com, monkitty.com, tomo2.net and high-school-diploma.net.
Host names with two IP numbers:
ns-a1.conoha.io: 2400:8500:3000::88 and 157.7.33.88
ns-a2.conoha.io: 2404:8680:1101:310::53 and 150.95.23.148
ns-a3.conoha.io: 2404:f080:1101:310::53 and 150.95.19.148
Mail Servers
ryugaku.net is handled by a single mail server, gt115.secure.ne.jp.
Host name gt115.secure.ne.jp points to IP 122.200.230.11.