ruby01.com - robtex.com
ruby01.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=1789415493 | ||||||
MX for
ruby01.com |
Same first word
ruby01.com |
Similar names
Previous names
Next names
ruby09.com |
ruby0909.com |
ruby0x1.com |
ruby1.com |
ruby10.com |
ruby100.com |
ruby1000.com |
ruby101.com |
ruby1024.com |
ruby1052.com |
ruby11.com |
ruby1111.com |
ruby113.com |
ruby11lan1118.com |
ruby123.com |
ruby1234.com |
ruby138slot.com |
DNS History
7 records (5 active, 2 former)
●NSns1.xserver.jp2026-09-11 → 2026-09-14 · 2 obs
● 2026-09-14 20:20:56
●NSns2.xserver.jp2026-09-11 → 2026-09-14 · 2 obs
● 2026-09-14 20:20:56
●NSns3.xserver.jp2026-09-11 → 2026-09-14 · 2 obs
● 2026-09-14 20:20:56
●NSns4.xserver.jp2026-09-11 → 2026-09-14 · 2 obs
● 2026-09-14 20:20:56
●NSns5.xserver.jp2026-09-11 → 2026-09-14 · 2 obs
● 2026-09-14 20:20:56
○MXruby01.com2026-09-11 → 2026-09-11 · 2 obs
○ 2026-09-14 20:20:56
○A157.112.183.572026-09-11 → 2026-09-11 · 2 obs
○ 2026-09-14 20:20:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| ruby01.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 ruby01.com (unsigned zone)
⏱️ Timing
Total: 1460ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.183.57 |
| NS | 5 | ns4.xserver.jp, ns2.xserver.jp... |
| MX | 1 | ruby01.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv5216.xserver.jp +a:ruby01.co |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
The MX record for ruby01.com points back to ruby01.com — it is its own mail server.
Name Servers
The authoritative name servers for ruby01.com are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
ruby01.com partially shares its NS delegation with several other domains, including syouene-kosumosu.com, yamanoboridaisuki.com, milesdavis.jp and two others.
These name servers are regularly seen alongside ns4.xserver.jp and ns5.xserver.jp as name servers.
Hosts with three IP address records:
ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts that resolve to one IP address:
ns2.xserver.jp resolves to 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.