simpletraining.net - dns.ninja

simpletraining.net

DNSSEC⚠️ Not signed
A183.90.228.7🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv1106.xserver.jp
NSns1.xserver.jp
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXsimpletraining.net
A183.90.228.7🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv1106.xserver.jp
TXTv=spf1 +a:sv1106.xserver.jp +a:simpletraining.net +mx include:spf.sender.xser...
SOAns1.xserver.jproot@xserver.jp serial=0

net

MX for

Same first word

DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXsimpletraining.netA183.90.228.7
NSns1.xserver.jp2026-02-20 → 2026-07-04 · 2 obs
● 2026-02-20 12:55:36
● 2026-07-04 19:48:28
NSns2.xserver.jp2026-02-20 → 2026-07-04 · 2 obs
● 2026-02-20 12:55:36
● 2026-07-04 19:48:28
NSns3.xserver.jp2026-02-20 → 2026-07-04 · 2 obs
● 2026-02-20 12:55:36
● 2026-07-04 19:48:28
NSns4.xserver.jp2026-02-20 → 2026-07-04 · 2 obs
● 2026-02-20 12:55:36
● 2026-07-04 19:48:28
NSns5.xserver.jp2026-02-20 → 2026-07-04 · 2 obs
● 2026-02-20 12:55:36
● 2026-07-04 19:48:28
MXsimpletraining.net2026-02-20 → 2026-07-04 · 2 obs
● 2026-02-20 12:55:36
● 2026-07-04 19:48:28
A183.90.228.72026-02-20 → 2026-07-04 · 2 obs
● 2026-02-20 12:55:36
● 2026-07-04 19:48:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
simpletraining.netns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:35.72.43.26

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 simpletraining.net (unsigned zone)

⏱️ Timing

Total: 1088ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.228.7
NS5ns4.xserver.jp, ns2.xserver.jp...
MX1simpletraining.net (pri: 0)
TXT1v=spf1 +a:sv1106.xserver.jp +a:simpletra
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

simpletraining.net serves as a mail server for simpletraining.net.

IP Addresses

simpletraining.net has exactly one IP address — 183.90.228.7.

oka-japan.co.jp, www.uwasa-no.com, miyagi-sotai.com plus two other host names have IP numbers in common with simpletraining.net.

Name Servers

Five name servers handle delegation for simpletraining.net: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

simpletraining.net shares at least some of its name servers with other domains, including taikonet.co.jp, fishing-boat.net, wasedahouse.co.jp and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The hostname ns5.xserver.jp directs to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names resolving to a single IP address:

ns2.xserver.jp has the IP address 35.72.43.26.

ns3.xserver.jp has the IP address 202.226.36.247.

Mail Servers

simpletraining.net uses exactly one mail server, which is simpletraining.net.

simpletraining.net directs to just one IP number, 183.90.228.7.