ryoushin.jp - robtex.com
ryoushin.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.69.55.235🇯🇵 Amazon52.68.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-52-69-55-235.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | ryoushinjp.sakura.ne.jp ⭐ | ||||||
| A | 49.212.207.191🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3151.sakura.ne.jp | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1707199765 | ||||||
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=1778647503 | ||||||
Subdomains
www.ryoushin.jp |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NS01.dnsv.jp2026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 00:43:22
● 2026-05-13 05:17:46
●NS02.dnsv.jp2026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 00:43:22
● 2026-05-13 05:17:46
●NS03.dnsv.jp2026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 00:43:22
● 2026-05-13 05:17:46
●NS04.dnsv.jp2026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 00:43:22
● 2026-05-13 05:17:46
○NSns4.mcnet.ad.jp2015-07-14 → 2017-02-15 · 4 obs
● 2017-02-15 16:44:02
○ 2026-04-04 00:43:22
○ 2026-05-13 05:17:46
○NSns5.mcnet.ad.jp2015-07-14 → 2017-02-15 · 4 obs
● 2017-02-15 16:44:02
○ 2026-04-04 00:43:22
○ 2026-05-13 05:17:46
○MXmail.ryoushin.jp2015-07-14 → 2017-02-15 · 4 obs
● 2017-02-15 16:44:02
○ 2026-04-04 00:43:22
○ 2026-05-13 05:17:46
●MXryoushinjp.sakura.ne.jp2026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 00:43:22
● 2026-05-13 05:17:46
○A203.211.208.1522015-07-14 → 2017-02-15 · 4 obs
● 2017-02-15 16:44:02
○ 2026-04-04 00:43:22
○ 2026-05-13 05:17:46
●A52.69.55.2352026-04-04 → 2026-05-13 · 3 obs
● 2026-04-04 00:43:22
● 2026-05-13 05:17:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| ryoushin.jp | 04.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.33.53
NS records: 04.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ryoushin.jp (unsigned zone)
⏱️ Timing
Total: 2824ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.69.55.235 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | ryoushinjp.sakura.ne.jp (pri: 10) |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)
Analysis
Hierarchy
ryoushin.jp is a parent of www.ryoushin.jp.
IP Addresses
ryoushin.jp points to a single IP number: 52.69.55.235.
Other host names, for instance clasica.co.jp, otokomae.biz, beloved-aura.com, kenwa-cnst.co.jp and dunit-recruit.com share IP numbers with ryoushin.jp.
Name Servers
ryoushin.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
ryoushin.jp at least partially shares name servers with other domains, for instance morrie.jp, xn--ecka9aybj0a8k7gkde2409n3yub.com, okomeda.net, elic.jp and hg-prt.co.jp.
Host names with two IPs:
01.dnsv.jp points to: 2400:8500:3300::53 and 157.7.32.53.
03.dnsv.jp points to: 2400:8500:3000::53 and 157.7.34.53.
04.dnsv.jp points to: 2400:8500:3fff::53 and 157.7.35.53.
Host names with one IP:
02.dnsv.jp points to: 157.7.33.53.
Mail Servers
ryoushin.jp is handled by a single mail server, ryoushinjp.sakura.ne.jp.
ryoushin.jp uses the same mail server setup as other domains, such as ryoushinjp.sakura.ne.jp.
ryoushinjp.sakura.ne.jp points to a single IP: 49.212.207.191.