rails-study.net - robtex.com
rails-study.net
net
| 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=1774636857 | ||||||
MX for
rails-study.net |
Same first word
rails-study.net |
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2017-01-03 → 2026-03-27 · 2 obs
● 2026-03-27 18:59:52
●NSns2.xserver.jp2017-01-03 → 2026-03-27 · 2 obs
● 2026-03-27 18:59:52
●NSns3.xserver.jp2017-01-03 → 2026-03-27 · 2 obs
● 2026-03-27 18:59:52
●NSns4.xserver.jp2017-01-03 → 2026-03-27 · 2 obs
● 2026-03-27 18:59:52
●NSns5.xserver.jp2017-01-03 → 2026-03-27 · 2 obs
● 2026-03-27 18:59:52
●MXrails-study.net2017-01-03 → 2026-03-27 · 2 obs
● 2026-03-27 18:59:52
●A183.90.250.352017-01-03 → 2026-03-27 · 2 obs
● 2026-03-27 18:59:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | f.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net... | - |
| rails-study.net | 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 rails-study.net (unsigned zone)
⏱️ Timing
Total: 1016ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.250.35 |
| NS | 5 | ns4.xserver.jp, ns5.xserver.jp... |
| MX | 1 | rails-study.net (pri: 0) |
| TXT | 1 | v=spf1 +a:sv1334.xserver.jp +a:rails-stu |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
Analysis
Mail Server Role
rails-study.net serves as the mail server for rails-study.net.
IP Addresses
rails-study.net points to a single IP number: 183.90.250.35.
Other host names, for instance mas.co.jp, hotnow.xyz, www.thermal-science.com, numayama-zoen.com and ns2.tour-putter.com share IP numbers with rails-study.net.
Name Servers
rails-study.net is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
rails-study.net shares name servers with other domains at least partially, for instance produce-by-produce.com, ready-to-fly.com, saitamalian.biz, matsumoto.co.jp and asak.jp.
Host names with three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
ns2.xserver.jp points to: 35.72.43.26.
ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
A single mail server handles rails-study.net and rails-study.net.
Host name rails-study.net resolves to IP 183.90.250.35.