ryosagawa.com - robtex.com
ryosagawa.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.xserver.jp | ||||||
| NS | ns2.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xserver.jp | ||||||
| NS | ns3.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.xserver.jp | ||||||
| NS | ns4.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns4.xserver.jp | ||||||
| NS | ns5.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns5.xserver.jp | ||||||
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=1774507807 | ||||||
MX for
ryosagawa.com |
Same first word
ryosagawa.com |
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.xserver.jp2018-10-03 → 2026-03-26 · 2 obs
● 2026-03-26 06:55:44
●NSns2.xserver.jp2018-10-03 → 2026-03-26 · 2 obs
● 2026-03-26 06:55:44
●NSns3.xserver.jp2018-10-03 → 2026-03-26 · 2 obs
● 2026-03-26 06:55:44
●NSns4.xserver.jp2018-10-03 → 2026-03-26 · 2 obs
● 2026-03-26 06:55:44
●NSns5.xserver.jp2018-10-03 → 2026-03-26 · 2 obs
● 2026-03-26 06:55:44
○MXryosagawa.com2018-10-03 → 2018-10-03 · 2 obs
○ 2026-03-26 06:55:44
○A202.254.239.152018-10-03 → 2018-10-03 · 2 obs
○ 2026-03-26 06:55:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net... | - |
| ryosagawa.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.170
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 ryosagawa.com (unsigned zone)
⏱️ Timing
Total: 2950ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Mail Server Role
ryosagawa.com serves as a mail server for ryosagawa.com.
Name Servers
ryosagawa.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
ryosagawa.com at least partially shares its name servers with other domains, for instance skeptics.jp, piknica.com, kuwa3.com, global-fly.com and xn--29sob207cg49a.biz.
Host names with three IP numbers:
The host name ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The host name ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The host name ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
The host name ns2.xserver.jp points to: 35.72.43.26.
The host name ns3.xserver.jp points to: 202.226.36.247.