com-sys.net - dns.ninja
com-sys.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=1785082812 | ||||||
MX for
com-sys.net |
Subdomains
mail.com-sys.net |
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
○NSns1.carl.de2015-07-19 → 2017-02-01 · 4 obs
● 2017-02-01 20:39:10
○ 2026-02-20 00:25:26
○ 2026-07-26 16:50:08
●NSns1.xserver.jp2026-02-20 → 2026-07-26 · 3 obs
● 2026-02-20 00:25:26
● 2026-07-26 16:50:08
○NSns2.carl.de2015-07-19 → 2017-02-01 · 4 obs
● 2017-02-01 20:39:10
○ 2026-02-20 00:25:26
○ 2026-07-26 16:50:08
●NSns2.xserver.jp2026-02-20 → 2026-07-26 · 3 obs
● 2026-02-20 00:25:26
● 2026-07-26 16:50:08
●NSns3.xserver.jp2026-02-20 → 2026-07-26 · 3 obs
● 2026-02-20 00:25:26
● 2026-07-26 16:50:08
●NSns4.xserver.jp2026-02-20 → 2026-07-26 · 3 obs
● 2026-02-20 00:25:26
● 2026-07-26 16:50:08
●NSns5.xserver.jp2026-02-20 → 2026-07-26 · 3 obs
● 2026-02-20 00:25:26
● 2026-07-26 16:50:08
●MXcom-sys.net2026-02-20 → 2026-07-26 · 3 obs
● 2026-02-20 00:25:26
● 2026-07-26 16:50:08
○MXmail.com-sys.net2015-07-19 → 2017-02-01 · 4 obs
● 2017-02-01 20:39:10
○ 2026-02-20 00:25:26
○ 2026-07-26 16:50:08
●A162.43.120.32026-02-20 → 2026-07-26 · 3 obs
● 2026-02-20 00:25:26
● 2026-07-26 16:50:08
○A83.138.80.1372015-07-19 → 2017-02-01 · 4 obs
● 2017-02-01 20:39:10
○ 2026-02-20 00:25:26
○ 2026-07-26 16:50:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | k.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net... | - |
| com-sys.net | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.39.247
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 com-sys.net (unsigned zone)
⏱️ Timing
Total: 1593ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.120.3 |
| NS | 5 | ns3.xserver.jp, ns1.xserver.jp... |
| MX | 1 | com-sys.net (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14002.xserver.jp +a:com-sys. |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
The domain mail.com-sys.net falls under the parent com-sys.net.
Mail Server Role
com-sys.net is listed as a mail server for itself.
IP Addresses
com-sys.net resolves to one IP address: 162.43.120.3.
startreweb.com, meitetukyoku.co.jp, sakurasodan.jp and two other host names share IP numbers with com-sys.net.
Name Servers
com-sys.net has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
At least some of com-sys.net's name servers are shared with other domains, for example yamazaki-jimusho.com, visa-21.com, ninefish.net and two more.
These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that resolve to three IP addresses:
ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts with just one IP address:
ns2.xserver.jp directs to 35.72.43.26.
ns3.xserver.jp directs to 202.226.36.247.
Mail Servers
Mail for com-sys.net is handled by one mail server — com-sys.net.
com-sys.net has exactly one IP number: 162.43.120.3.