ryushouen.com - robtex.com
ryushouen.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.230.253.82🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | webltw82.alpha-mail.jp | ||||||
| NS | kotetsu.alpha-lt.net ⭐ | ||||||
| A | 157.205.252.6🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | amdns01.alpha-mail.jp | ||||||
| NS | amdns03.alpha-mail.jp | ||||||
| A | 216.230.254.112🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | amdns03.alpha-mail.jp | ||||||
| NS | tsukuba.aics.ne.jp | ||||||
| A | 157.205.252.7🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | amdns02.alpha-mail.jp | ||||||
| MX | ampub01.alpha-mail.net ⭐ | ||||||
| A | 216.230.254.1🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | ampub01.alpha-mail.net | ||||||
| MX | ampub02.alpha-mail.net ⭐ | ||||||
| A | 216.230.254.2🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | ampub02.alpha-mail.net | ||||||
| MX | ampub03.alpha-mail.net ⭐ | ||||||
| A | 216.230.254.3🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | ampub03.alpha-mail.net | ||||||
| MX | ampub04.alpha-mail.net(50) | ||||||
| A | 216.230.254.4🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | ampub04.alpha-mail.net | ||||||
| TXT | v=spf1 ip4:157.205.202.0/24 ip4:157.205.203.128/25 ip4:216.230.250.0/24 ip4:2... | ||||||
| SOA | kotetsu.alpha-lt.netpostmaster@alpha-web.ne.jp 2023-07-28 #8 | ||||||
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=1774442122 | ||||||
Same first word
ryushouen.com |
Similar names
DNS History
9 records (8 active, 1 former)
●NSamdns03.alpha-mail.jp2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 10:18:54
● 2026-03-25 12:51:04
●NSkotetsu.alpha-lt.net2015-07-12 → 2026-03-25 · 2 obs
● 2026-03-25 12:51:04
●NStsukuba.aics.ne.jp2015-07-12 → 2026-03-25 · 2 obs
● 2026-03-25 12:51:04
●MXampub01.alpha-mail.net2015-07-12 → 2026-03-25 · 2 obs
● 2026-03-25 12:51:04
●MXampub02.alpha-mail.net2015-07-12 → 2026-03-25 · 2 obs
● 2026-03-25 12:51:04
●MXampub03.alpha-mail.net2015-07-12 → 2026-03-25 · 2 obs
● 2026-03-25 12:51:04
●MXampub04.alpha-mail.net2020-12-28 → 2026-03-25 · 3 obs
● 2020-12-28 15:12:54
● 2026-03-25 12:51:04
○A216.230.251.812015-07-12 → 2020-12-28 · 4 obs
● 2020-12-28 15:12:54
○ 2026-02-25 10:18:54
○ 2026-03-25 12:51:04
●A216.230.253.822026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 10:18:54
● 2026-03-25 12:51:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net... | - |
| ryushouen.com | kotetsu.alpha-lt.net, tsukuba.aics.ne.jp, amdns03.alpha-mail.jp | - |
✅ Authoritative Response
Server:157.205.252.6
NS records: kotetsu.alpha-lt.net, tsukuba.aics.ne.jp, amdns03.alpha-mail.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ryushouen.com (unsigned zone)
⏱️ Timing
Total: 840ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.82 |
| NS | 3 | tsukuba.aics.ne.jp, amdns03.alpha-mail.jp... |
| MX | 4 | ampub03.alpha-mail.net (pri: 10), ampub01.alpha-mail.net (pri: 10)... |
| TXT | 1 | v=spf1 ip4:157.205.202.0/24 ip4:157.205. |
| SOA | 1 | kotetsu.alpha-lt.net postmaster.alpha-we |
Analysis
IP Addresses
ryushouen.com points to IP number: 216.230.253.82.
Other host names such as pakistan.jp, seiko-spring.co.jp, nikken-sangyo.jp, www.mori-seibyo.co.jp and rikken.jp share IPs with ryushouen.com.
Name Servers
ryushouen.com is delegated to three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
ryushouen.com at least partially shares name servers with other domains, for instance prop-g.co.jp, daison.co.jp, s-reien.or.jp, co-cos.net and ribbon-syndicate.co.jp.
Host names with a single IP:
amdns03.alpha-mail.jp points to: 216.230.254.112.
kotetsu.alpha-lt.net points to: 157.205.252.6.
tsukuba.aics.ne.jp points to: 157.205.252.7.
Mail Servers
Four mail servers handle ryushouen.com: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
ryushouen.com shares at least partially some mail servers with other domains, including gwia.jp, suzuki-tekkou.co.jp, 27wakop.jp, nikko-a.co.jp and marukin-k.co.jp.
Host names with one IP number:
ampub01.alpha-mail.net points to 216.230.254.1.
ampub02.alpha-mail.net points to 216.230.254.2.
ampub03.alpha-mail.net points to 216.230.254.3.
ampub04.alpha-mail.net points to 216.230.254.4.