mail.ryuzan.com - robtex.com
mail.ryuzan.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.131.221.55🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc. | ||||||
| PTR | sv17094.xserver.jp | ||||||
ryuzan.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.131.221.55🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc. | ||||||
| NS | ns1.xserver.jp ⭐ | ||||||
| NS | ns2.xserver.jp | ||||||
| NS | ns3.xserver.jp | ||||||
| NS | ns4.xserver.jp | ||||||
| NS | ns5.xserver.jp | ||||||
| MX | ryuzan.com ⭐ | ||||||
| TXT | v=spf1 +a:sv17094.xserver.jp +a:ryuzan.com +mx include:spf.sender.xserver.jp ... | ||||||
| SOA | ns1.xserver.jproot@xserver.jp serial=0 | ||||||
Previously MX for
Same first word
Similar names
DNS History
6 records (1 active, 5 former)
○NSdns1.name-services.com2015-06-02 → 2015-10-23 · 4 obs
● 2015-06-02 04:21:30
● 2015-10-23 05:34:04
○ 2016-01-17 13:01:58
○ 2026-08-05 14:39:54
● 2015-10-23 05:34:04
○ 2016-01-17 13:01:58
○ 2026-08-05 14:39:54
○MX110.5.28.1012015-10-23 → 2015-10-23 · 4 obs
○ 2015-06-02 04:21:30
● 2015-10-23 05:34:04
○ 2016-01-17 13:01:58
○ 2026-08-05 14:39:54
● 2015-10-23 05:34:04
○ 2016-01-17 13:01:58
○ 2026-08-05 14:39:54
○MX110.5.28.1012015-06-02 → 2015-06-02 · 4 obs
○ 2008-03-20 13:10:20
● 2015-06-02 04:21:30
○ 2015-10-23 05:34:04
○ 2026-08-05 14:39:54
● 2015-06-02 04:21:30
○ 2015-10-23 05:34:04
○ 2026-08-05 14:39:54
○A110.5.28.1012015-06-02 → 2016-04-11 · 5 obs
○ 2008-03-20 13:10:20
● 2015-06-02 04:21:30
● 2016-04-11 16:46:38
○ 2026-03-24 17:45:04
○ 2026-08-05 14:39:54
● 2015-06-02 04:21:30
● 2016-04-11 16:46:38
○ 2026-03-24 17:45:04
○ 2026-08-05 14:39:54
○A14.12.113.342026-03-24 → 2026-05-16 · 5 obs
○ 2016-04-11 16:46:38
● 2026-03-24 17:45:04
● 2026-05-16 19:10:20
○ 2026-07-24 12:28:44
○ 2026-08-05 14:39:54
● 2026-03-24 17:45:04
● 2026-05-16 19:10:20
○ 2026-07-24 12:28:44
○ 2026-08-05 14:39:54
●A85.131.221.552026-07-24 → 2026-08-05 · 3 obs
○ 2026-05-16 19:10:20
● 2026-07-24 12:28:44
● 2026-08-05 14:39:54
● 2026-07-24 12:28:44
● 2026-08-05 14:39:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net... | - |
| ryuzan.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ryuzan.com (unsigned zone)
⏱️ Timing
Total: 1285ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.221.55 |
Analysis
IP Addresses
mail.ryuzan.com has exactly one IP address — 85.131.221.55.
boso.net, ryuzan.com, cin.co.jp plus two other host names have IP numbers in common with mail.ryuzan.com.