mail.ryu-dh.com - robtex.com
mail.ryu-dh.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.131.213.48🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc. | ||||||
| PTR | sv16667.xserver.jp | ||||||
ryu-dh.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.131.213.48🇯🇵 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 | ||||||
| TXT | v=spf1 +a:sv16667.xserver.jp +a:ryu-dh.com +mx include:spf.sender.xserver.jp ... | ||||||
| SOA | ns1.xserver.jproot@xserver.jp serial=0 | ||||||
Previously MX for
ryu-dh.com |
mail.ryu-dh.com |
Same first word
Similar names
DNS History
5 records (1 active, 4 former)
○MXmail.ryu-dh.com2015-06-19 → 2016-12-26 · 4 obs
● 2015-06-19 02:29:16
● 2016-12-26 04:08:22
○ 2026-02-22 21:35:32
○ 2026-07-25 16:10:14
● 2016-12-26 04:08:22
○ 2026-02-22 21:35:32
○ 2026-07-25 16:10:14
○MXmx1.firstserver.ne.jp2015-06-19 → 2016-12-26 · 4 obs
● 2015-06-19 02:29:16
● 2016-12-26 04:08:22
○ 2026-02-22 21:35:32
○ 2026-07-25 16:10:14
● 2016-12-26 04:08:22
○ 2026-02-22 21:35:32
○ 2026-07-25 16:10:14
○MXmx2.firstserver.ne.jp2015-06-19 → 2016-12-26 · 4 obs
● 2015-06-19 02:29:16
● 2016-12-26 04:08:22
○ 2026-02-22 21:35:32
○ 2026-07-25 16:10:14
● 2016-12-26 04:08:22
○ 2026-02-22 21:35:32
○ 2026-07-25 16:10:14
○A203.145.250.1152015-06-19 → 2016-12-26 · 4 obs
● 2015-06-19 02:29:16
● 2016-12-26 04:08:22
○ 2026-02-22 21:35:32
○ 2026-07-25 16:10:14
● 2016-12-26 04:08:22
○ 2026-02-22 21:35:32
○ 2026-07-25 16:10:14
●A85.131.213.482026-02-22 → 2026-07-25 · 3 obs
○ 2016-12-26 04:08:22
● 2026-02-22 21:35:32
● 2026-07-25 16:10:14
● 2026-02-22 21:35:32
● 2026-07-25 16:10:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ryu-dh.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:35.72.43.26
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 ryu-dh.com (unsigned zone)
⏱️ Timing
Total: 1860ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.213.48 |
Analysis
IP Addresses
mail.ryu-dh.com has exactly one IP address — 85.131.213.48.
funabashi-kodomo-dc.com, maruhidetouken.com, takai-r.com plus two other host names have IP numbers in common with mail.ryu-dh.com.