a-aitech.jp - robtex.com

a-aitech.jp

DNSSEC⚠️ Not signed
A162.43.121.14🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14213.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
MXa-aitech.jp ⭐
A162.43.121.14🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14213.xserver.jp
TXTv=spf1 +a:sv14213.xserver.jp +a:a-aitech.jp +mx include:spf.sender.xserver.jp...
SOAns1.xserver.jproot@xserver.jp serial=0

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1783779303

MX for

a-aitech.jp

Same first word

a-aitech.jp

Similar names

ai-teach.com
ai-teach.io
chai-tea.net
thai-aec.org
thai-aec.net
the-aica.com
chai-tea.org
each-tai.com.tw
cheat-ai.shop

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns-1418.awsdns-49.orgns-2021.awsdns-60.co.ukns-435.awsdns-54.comns-753.awsdns-30.netns.a-aitech.jpMXa-aitech.jpA162.43.121.14175.41.239.10652.192.177.74
○NSns-1418.awsdns-49.org2016-03-11 → 2017-05-10 · 5 obs
○ 2015-12-10 13:46:50
● 2016-03-11 18:12:08
● 2017-05-10 19:15:12
○ 2026-06-21 11:59:20
○ 2026-07-11 14:49:44
○NSns-2021.awsdns-60.co.uk2016-03-11 → 2017-05-10 · 5 obs
○ 2015-12-10 13:46:50
● 2016-03-11 18:12:08
● 2017-05-10 19:15:12
○ 2026-06-21 11:59:20
○ 2026-07-11 14:49:44
○NSns-435.awsdns-54.com2016-03-11 → 2017-05-10 · 5 obs
○ 2015-12-10 13:46:50
● 2016-03-11 18:12:08
● 2017-05-10 19:15:12
○ 2026-06-21 11:59:20
○ 2026-07-11 14:49:44
○NSns-753.awsdns-30.net2016-03-11 → 2017-05-10 · 5 obs
○ 2015-12-10 13:46:50
● 2016-03-11 18:12:08
● 2017-05-10 19:15:12
○ 2026-06-21 11:59:20
○ 2026-07-11 14:49:44
○NSns.a-aitech.jp2015-08-09 → 2015-12-10 · 4 obs
● 2015-08-09 18:01:36
● 2015-12-10 13:46:50
○ 2016-03-11 18:12:08
○ 2026-07-11 14:49:44
●NSns1.xserver.jp2026-06-21 → 2026-07-11 · 3 obs
○ 2017-05-10 19:15:12
● 2026-06-21 11:59:20
● 2026-07-11 14:49:44
●NSns2.xserver.jp2026-06-21 → 2026-07-11 · 3 obs
○ 2017-05-10 19:15:12
● 2026-06-21 11:59:20
● 2026-07-11 14:49:44
●NSns3.xserver.jp2026-06-21 → 2026-07-11 · 3 obs
○ 2017-05-10 19:15:12
● 2026-06-21 11:59:20
● 2026-07-11 14:49:44
●NSns4.xserver.jp2026-06-21 → 2026-07-11 · 3 obs
○ 2017-05-10 19:15:12
● 2026-06-21 11:59:20
● 2026-07-11 14:49:44
●NSns5.xserver.jp2026-06-21 → 2026-07-11 · 3 obs
○ 2017-05-10 19:15:12
● 2026-06-21 11:59:20
● 2026-07-11 14:49:44
●MXa-aitech.jp2015-08-09 → 2026-07-11 · 2 obs
● 2015-08-09 18:01:36
● 2026-07-11 14:49:44
●A162.43.121.142026-06-21 → 2026-07-11 · 3 obs
○ 2017-05-10 19:15:12
● 2026-06-21 11:59:20
● 2026-07-11 14:49:44
○A175.41.239.1062015-08-09 → 2015-12-10 · 4 obs
● 2015-08-09 18:01:36
● 2015-12-10 13:46:50
○ 2016-03-11 18:12:08
○ 2026-07-11 14:49:44
○A52.192.177.742016-03-11 → 2017-05-10 · 5 obs
○ 2015-12-10 13:46:50
● 2016-03-11 18:12:08
● 2017-05-10 19:15:12
○ 2026-06-21 11:59:20
○ 2026-07-11 14:49:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
a-aitech.jpns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns2.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.247

NS records: ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns2.xserver.jp, ns1.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a-aitech.jp (unsigned zone)

⏱️ Timing

Total: 862ms | Queries: -

📄 Records

TypeCountSample Data
A1162.43.121.14
NS5ns4.xserver.jp, ns5.xserver.jp...
MX1a-aitech.jp (pri: 0)
TXT1v=spf1 +a:sv14213.xserver.jp +a:a-aitech
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

Mail Server Role

a-aitech.jp serves as a mail server for a-aitech.jp.

IP Addresses

a-aitech.jp has exactly one IP address — 162.43.121.14.

kan-ichi.com, www.bscx.com, medical-sports-plaza.com plus two other host names have IP numbers in common with a-aitech.jp.

Name Servers

Five name servers handle delegation for a-aitech.jp: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

At least some of a-aitech.jp's name servers are shared with other domains, for example san-a-corp.co.jp, fuyunookurimono.com, stacc-morikawa.com and two more.

These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

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.

Host names resolving to a single IP address:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.

Mail Servers

a-aitech.jp uses exactly one mail server, which is a-aitech.jp.

a-aitech.jp has exactly one IP number: 162.43.121.14.