systemnet-jp.com - robtex.com
systemnet-jp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 182.16.226.148🇯🇵 atworks182.16.224.0/21 A.T.WORKS,Inc. CIDR-block NO.2 | ||||||
| PTR | onx07.atw.ne.jp | ||||||
| NS | ns0.atw.jp ⭐ | ||||||
| A | 182.16.226.200🇯🇵 atworks182.16.224.0/21 A.T.WORKS,Inc. CIDR-block NO.2 | ||||||
| PTR | ns0.atw.jp | ||||||
| NS | ns.dlsv.com ⚠️ Not in zone NS records | ||||||
| A | 210.236.247.71🇯🇵 IDC210.236.240.0/20 Frontier Inc. | ||||||
| NS | ns1.atw.jp ⚠️ Not in parent delegation | ||||||
| A | 210.236.247.71🇯🇵 IDC210.236.240.0/20 Frontier Inc. | ||||||
| NS | ns2.atw.jp ⚠️ Not in parent delegation | ||||||
| A | 219.99.220.242🇯🇵 NSK219.99.192.0/19 Co.,Ltd. 2-1,Minami-cho,Kanazawa-shi,Ishikawa,920-8769 | ||||||
| PTR | ns2.atw.jp | ||||||
| NS | ns2.dlsv.com ⚠️ Not in zone NS records | ||||||
| A | 219.99.220.242🇯🇵 NSK219.99.192.0/19 Co.,Ltd. 2-1,Minami-cho,Kanazawa-shi,Ishikawa,920-8769 | ||||||
| PTR | ns2.atw.jp | ||||||
| NS | ns3.atw.jp ⚠️ Not in parent delegation | ||||||
| A | 182.16.226.193🇯🇵 atworks182.16.224.0/21 A.T.WORKS,Inc. CIDR-block NO.2 | ||||||
| PTR | ns3.atw.jp | ||||||
| NS | ns3.dlsv.com ⚠️ Not in zone NS records | ||||||
| A | 182.16.226.193🇯🇵 atworks182.16.224.0/21 A.T.WORKS,Inc. CIDR-block NO.2 | ||||||
| PTR | ns3.atw.jp | ||||||
| MX | smtp.systemnet-jp.com ⭐ | ||||||
| A | 182.16.226.148🇯🇵 atworks182.16.224.0/21 A.T.WORKS,Inc. CIDR-block NO.2 | ||||||
| PTR | onx07.atw.ne.jp | ||||||
| TXT | v=spf1 +ip4:182.16.226.148 ~all | ||||||
| SOA | ns0.atw.jphostmaster@atw.jp 2020-12-08 #1 | ||||||
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=1776093567 | ||||||
Subdomains
Same first word
systemnet-jp.com |
DNS History
11 records (9 active, 2 former)
●NSns0.atw.jp2026-02-27 → 2026-04-13 · 3 obs
● 2026-02-27 17:35:18
● 2026-04-13 15:35:26
●NSns1.atw.jp2026-02-27 → 2026-04-13 · 3 obs
● 2026-02-27 17:35:18
● 2026-04-13 15:35:26
●NSns2.atw.jp2026-02-27 → 2026-04-13 · 3 obs
● 2026-02-27 17:35:18
● 2026-04-13 15:35:26
●NSns3.atw.jp2026-02-27 → 2026-04-13 · 3 obs
● 2026-02-27 17:35:18
● 2026-04-13 15:35:26
●MXsmtp.systemnet-jp.com2020-01-07 → 2026-04-13 · 3 obs
● 2020-01-07 04:53:16
● 2026-04-13 15:35:26
○MXwww.systemnet-jp.com2015-06-21 → 2017-02-19 · 4 obs
● 2017-02-19 17:14:14
○ 2020-01-07 04:53:16
○ 2026-04-13 15:35:26
●A182.16.226.1482026-02-27 → 2026-04-13 · 3 obs
● 2026-02-27 17:35:18
● 2026-04-13 15:35:26
○A219.99.220.2222020-01-07 → 2020-01-07 · 3 obs
○ 2026-02-27 17:35:18
○ 2026-04-13 15:35:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| systemnet-jp.com | ns3.dlsv.com, ns2.dlsv.com, ns.dlsv.com | 3 records |
✅ Authoritative Response
Server:182.16.226.193
NS records: ns3.dlsv.com, ns2.dlsv.com, ns.dlsv.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for systemnet-jp.com (unsigned zone)
⏱️ Timing
Total: 417ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 182.16.226.148 |
| NS | 3 | ns3.atw.jp, ns2.atw.jp... |
| MX | 1 | smtp.systemnet-jp.com (pri: 10) |
| TXT | 1 | v=spf1 +ip4:182.16.226.148 ~all |
| SOA | 1 | ns0.atw.jp hostmaster.atw.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.dlsv.com, ns2.dlsv.com, ns.dlsv.com)
Analysis
Hierarchy
systemnet-jp.com is a parent of smtp.systemnet-jp.com and www.systemnet-jp.com.
IP Addresses
systemnet-jp.com points to a single IP address: 182.16.226.148.
Other host names such as smtp.dreambank.jp, smtp.a-class-m.com, smtp.posting.jp, smtp.post-web.co.jp and dreambank.jp share IPs with systemnet-jp.com.
Name Servers
systemnet-jp.com's zone is delegated to seven name servers: ns2.dlsv.com, ns3.dlsv.com, ns.dlsv.com, ns0.atw.jp, ns1.atw.jp, ns2.atw.jp and ns3.atw.jp.
systemnet-jp.com at least partially shares name servers with other domains, for example shr17.digitalink.ne.jp, portopia.co.jp, officej.co.jp, internal.atw.ne.jp and softmax.co.jp.
Host names with one IP number:
The host name ns2.dlsv.com points to: 219.99.220.242.
The host name ns2.atw.jp points to: 219.99.220.242.
The host name ns3.dlsv.com points to: 182.16.226.193.
The host name ns3.atw.jp points to: 182.16.226.193.
The host name ns.dlsv.com points to: 210.236.247.71.
The host name ns1.atw.jp points to: 210.236.247.71.
The host name ns0.atw.jp points to: 182.16.226.200.
Host names that point to 219.99.220.242: ns2.dlsv.com and ns2.atw.jp.
Host names that point to 182.16.226.193: ns3.dlsv.com and ns3.atw.jp.
Host names that point to 210.236.247.71: ns.dlsv.com and ns1.atw.jp.
Mail Servers
The smtp.systemnet-jp.com mail server handles systemnet-jp.com.
smtp.systemnet-jp.com points to a single IP number: 182.16.226.148.