arithree.com - robtex.com

arithree.com

DNSSEC⚠️ Not signed
A162.43.121.153🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14352.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
MXarithree.com
A162.43.121.153🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14352.xserver.jp
TXTv=spf1 +a:sv14352.xserver.jp +a:arithree.com +mx include:spf.sender.xserver.j...
SOAns1.xserver.jproot@xserver.jp serial=0

com

MX for

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXarithree.comA162.43.121.153
NSns1.xserver.jp2026-04-20 → 2026-07-17 · 2 obs
● 2026-04-20 05:58:42
● 2026-07-17 17:27:38
NSns2.xserver.jp2026-04-20 → 2026-07-17 · 2 obs
● 2026-04-20 05:58:42
● 2026-07-17 17:27:38
NSns3.xserver.jp2026-04-20 → 2026-07-17 · 2 obs
● 2026-04-20 05:58:42
● 2026-07-17 17:27:38
NSns4.xserver.jp2026-04-20 → 2026-07-17 · 2 obs
● 2026-04-20 05:58:42
● 2026-07-17 17:27:38
NSns5.xserver.jp2026-04-20 → 2026-07-17 · 2 obs
● 2026-04-20 05:58:42
● 2026-07-17 17:27:38
MXarithree.com2026-04-20 → 2026-07-17 · 2 obs
● 2026-04-20 05:58:42
● 2026-07-17 17:27:38
A162.43.121.1532026-04-20 → 2026-07-17 · 2 obs
● 2026-04-20 05:58:42
● 2026-07-17 17:27:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net...-
arithree.comns1.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 arithree.com (unsigned zone)

⏱️ Timing

Total: 1042ms | Queries: -

📄 Records

TypeCountSample Data
A1162.43.121.153
NS5ns3.xserver.jp, ns2.xserver.jp...
MX1arithree.com (pri: 0)
TXT1v=spf1 +a:sv14352.xserver.jp +a:arithree
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

arithree.com serves as a mail server for arithree.com.

IP Addresses

arithree.com has exactly one IP address — 162.43.121.153.

www.green-g.co.jp, rslt.co.jp, nice-hit.com plus two other host names have IP numbers in common with arithree.com.

Name Servers

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

There is at least partial name server overlap between arithree.com and other domains — musbow.com, bonguri.com, dream-sekkotsuin.com and two more among them.

These name servers frequently co-occur 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

arithree.com uses exactly one mail server, which is arithree.com.

arithree.com directs to just one IP number, 162.43.121.153.