coasys.net - robtex.com
coasys.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=1778338746 | ||||||
MX for
coasys.net |
Subdomains
mail.coasys.net |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-04-23 → 2026-05-09 · 2 obs
● 2026-05-09 15:16:34
●NSns2.xserver.jp2026-04-23 → 2026-05-09 · 2 obs
● 2026-05-09 15:16:34
●NSns3.xserver.jp2026-04-23 → 2026-05-09 · 2 obs
● 2026-05-09 15:16:34
●NSns4.xserver.jp2026-04-23 → 2026-05-09 · 2 obs
● 2026-05-09 15:16:34
●NSns5.xserver.jp2026-04-23 → 2026-05-09 · 2 obs
● 2026-05-09 15:16:34
●MXcoasys.net2026-04-23 → 2026-05-09 · 2 obs
● 2026-05-09 15:16:34
●A162.43.120.1902026-04-23 → 2026-05-09 · 2 obs
● 2026-05-09 15:16:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coasys.net | 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 coasys.net (unsigned zone)
⏱️ Timing
Total: 1220ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.120.190 |
| NS | 5 | ns5.xserver.jp, ns4.xserver.jp... |
| MX | 1 | coasys.net (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14189.xserver.jp +a:coasys.n |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
The parent of mail.coasys.net is coasys.net.
Mail Server Role
The mail server for coasys.net is coasys.net.
IP Addresses
coasys.net points to a single IP address: 162.43.120.190.
Other host names such as takomaru.com, nba.or.jp, nk-am.com, sv.bbsee.info and hpcreate.com share IPs with coasys.net.
Name Servers
coasys.net is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
coasys.net at least partially shares name servers with other domains, for example kokageno.net, c-s-t.co.jp, e-hills.net, kaitaku.org and shokuiku.info.
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
One IP number:
ns2.xserver.jp points to: 35.72.43.26
ns3.xserver.jp points to: 202.226.36.247
Mail Servers
One mail server handles coasys.net; that server is coasys.net.
coasys.net points to a single IP number: 162.43.120.190.