simples-sys.net - robtex.com
simples-sys.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.235.21🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv160.xbiz.ne.jp | ||||||
| NS | ns1.xbiz.ne.jp ⭐ | ||||||
| A | 157.112.182.247🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| PTR | ns1.xbiz.ne.jp | ||||||
| NS | ns2.xbiz.ne.jp | ||||||
| A | 35.76.79.244🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xbiz.ne.jp | ||||||
| NS | ns3.xbiz.ne.jp | ||||||
| A | 157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc. | ||||||
| PTR | ns3.xbiz.ne.jp | ||||||
| MX | simples-sys.net ⭐ | ||||||
| A | 183.90.235.21🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv160.xbiz.ne.jp | ||||||
| TXT | v=spf1 +a:sv160.xbiz.ne.jp +a:simples-sys.net +mx include:spf.sender.xserver.... | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.jp serial=0 | ||||||
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=1774449232 | ||||||
MX for
simples-sys.net |
Subdomains
ns.simples-sys.net |
Same first word
simples-sys.net |
DNS History
10 records (5 active, 5 former)
○NSns.simples-sys.net2015-07-22 → 2020-01-13 · 4 obs
● 2020-01-13 09:17:00
○ 2026-03-01 06:18:18
○ 2026-03-25 14:57:24
○NSns04.xbit.jp2015-07-22 → 2020-01-13 · 4 obs
● 2020-01-13 09:17:00
○ 2026-03-01 06:18:18
○ 2026-03-25 14:57:24
●NSns1.xbiz.ne.jp2026-03-01 → 2026-03-25 · 3 obs
● 2026-03-01 06:18:18
● 2026-03-25 14:57:24
●NSns2.xbiz.ne.jp2026-03-01 → 2026-03-25 · 3 obs
● 2026-03-01 06:18:18
● 2026-03-25 14:57:24
●NSns3.xbiz.ne.jp2026-03-01 → 2026-03-25 · 3 obs
● 2026-03-01 06:18:18
● 2026-03-25 14:57:24
○MXmail.simples-sys.net2015-07-22 → 2020-01-13 · 4 obs
● 2020-01-13 09:17:00
○ 2026-03-01 06:18:18
○ 2026-03-25 14:57:24
●MXsimples-sys.net2026-03-01 → 2026-03-25 · 3 obs
● 2026-03-01 06:18:18
● 2026-03-25 14:57:24
●A183.90.235.212026-03-01 → 2026-03-25 · 3 obs
● 2026-03-01 06:18:18
● 2026-03-25 14:57:24
○A59.106.75.1972015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-24 15:02:00
○ 2026-03-25 14:57:24
○A59.106.75.2152015-11-24 → 2020-01-13 · 5 obs
● 2015-11-24 15:02:00
● 2020-01-13 09:17:00
○ 2026-03-01 06:18:18
○ 2026-03-25 14:57:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | g.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| simples-sys.net | ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp | - |
✅ Authoritative Response
Server:157.112.191.237
NS records: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for simples-sys.net (unsigned zone)
⏱️ Timing
Total: 2972ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.235.21 |
| NS | 3 | ns2.xbiz.ne.jp, ns1.xbiz.ne.jp... |
| MX | 1 | simples-sys.net (pri: 0) |
| TXT | 1 | v=spf1 +a:sv160.xbiz.ne.jp +a:simples-sy |
| SOA | 1 | ns1.xbiz.ne.jp root.xbiz.ne.jp |
Analysis
Hierarchy
simples-sys.net is a parent of ns.simples-sys.net.
Mail Server Role
simples-sys.net serves as the mail server for simples-sys.net.
IP Addresses
simples-sys.net points to a single IP address: 183.90.235.21.
Other host names such as soundproof.miki.co.jp, www.dr-serum.com, weblome.net, mail.studio-max.jp and moon-sakura.com share IP numbers with simples-sys.net.
Name Servers
simples-sys.net is delegated to three name servers: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.
At least part of the name servers for simples-sys.net are shared with other domains, for instance cues-plus.co.jp, zipcare.co.jp, citiesxl.com, sudoch.com and dondobi.com.
Host names with a single IP:
ns1.xbiz.ne.jp points to: 157.112.182.247
ns2.xbiz.ne.jp points to: 35.76.79.244
ns3.xbiz.ne.jp points to: 157.112.191.237
Mail Servers
Mail for simples-sys.net is handled by a single mail server, simples-sys.net.
Host simples-sys.net points to IP 183.90.235.21.