app-sys.net - robtex.com
app-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=1774636857 | ||||||
MX for
app-sys.net |
Subdomains
mail.app-sys.net |
Same first word
Similar names
DNS History
12 records (7 active, 5 former)
○NSns1.first-ns.de2015-07-15 → 2017-01-13 · 4 obs
● 2017-01-13 21:49:46
○ 2026-03-06 15:57:26
○ 2026-03-27 18:43:04
●NSns1.xserver.jp2026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 15:57:26
● 2026-03-27 18:43:04
●NSns2.xserver.jp2026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 15:57:26
● 2026-03-27 18:43:04
●NSns3.xserver.jp2026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 15:57:26
● 2026-03-27 18:43:04
●NSns4.xserver.jp2026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 15:57:26
● 2026-03-27 18:43:04
●NSns5.xserver.jp2026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 15:57:26
● 2026-03-27 18:43:04
○NSrobotns2.second-ns.de2015-07-15 → 2017-01-13 · 4 obs
● 2017-01-13 21:49:46
○ 2026-03-06 15:57:26
○ 2026-03-27 18:43:04
○NSrobotns3.second-ns.com2015-07-15 → 2017-01-13 · 4 obs
● 2017-01-13 21:49:46
○ 2026-03-06 15:57:26
○ 2026-03-27 18:43:04
●MXapp-sys.net2026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 15:57:26
● 2026-03-27 18:43:04
○MXmail.app-sys.net2015-07-15 → 2017-01-13 · 4 obs
● 2017-01-13 21:49:46
○ 2026-03-06 15:57:26
○ 2026-03-27 18:43:04
●A162.43.116.242026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 15:57:26
● 2026-03-27 18:43:04
○A188.40.109.1962015-07-15 → 2017-01-13 · 4 obs
● 2017-01-13 21:49:46
○ 2026-03-06 15:57:26
○ 2026-03-27 18:43:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| app-sys.net | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.164
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 app-sys.net (unsigned zone)
⏱️ Timing
Total: 2804ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.116.24 |
| NS | 5 | ns3.xserver.jp, ns4.xserver.jp... |
| MX | 1 | app-sys.net (pri: 0) |
| TXT | 2 | v=spf1 +a:sv13023.xserver.jp +a:app-sys., google-site-verification=pCQS9qVjqRg8SUY |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
The parent of mail.app-sys.net is app-sys.net.
Mail Server Role
The mail server for app-sys.net is app-sys.net.
IP Addresses
app-sys.net points to a single IP address: 162.43.116.24.
Other host names such as www.kmj-ab.co.jp, taiya.info, wisteria-room.com, superduper.wtf and mx.sakuranaga.com share IPs with app-sys.net.
Name Servers
app-sys.net is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
app-sys.net at least partially shares name servers with other domains, for example wattmusen.com, videma.jp, riashb.com, branche-grp.co.jp and f-bk.com.
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 app-sys.net; that server is app-sys.net.
app-sys.net points to a single IP number: 162.43.116.24.