xus.jp - dns.ninja

xus.jp

DNSSEC⚠️ Not signed
A183.181.99.23🇯🇵 XSERVER-AS183.181.98.0/23 XSERVER Inc.
PTRsv122.xbiz.ne.jp
NSns1.xbiz.ne.jp
A157.112.182.247🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
PTRns1.xbiz.ne.jp
NSns2.xbiz.ne.jp
A35.76.79.244🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xbiz.ne.jp
NSns3.xbiz.ne.jp
A157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc.
PTRns3.xbiz.ne.jp
MXxus.jp
A183.181.99.23🇯🇵 XSERVER-AS183.181.98.0/23 XSERVER Inc.
PTRsv122.xbiz.ne.jp
MXmail.protonmail.ch(10)
A176.119.200.128🇨🇭 Proton176.119.200.0/24
PTRmail.protonmail.ch
A185.70.42.128🇨🇭 Proton185.70.42.0/24
PTRmail.protonmail.ch
A185.205.70.128🇫🇷 Proton185.205.70.0/24
PTRmail.protonmail.ch
MXmailsec.protonmail.ch(20)
A176.119.200.129🇨🇭 Proton176.119.200.0/24
PTRmailsec.protonmail.ch
A185.70.42.129🇨🇭 Proton185.70.42.0/24
PTRmailsec.protonmail.ch
A185.205.70.129🇫🇷 Proton185.205.70.0/24
PTRmailsec.protonmail.ch
TXTprotonmail-verification=02364f9e27f62f8a9d31e9fd47415af9c564019d
TXTv=spf1 +a:sv122.xbiz.ne.jp +a:xus.jp +mx include:spf.sender.xserver.jp ~all
SOAns1.xbiz.ne.jproot@xbiz.ne.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=1785869103

MX for

Same first word

Similar names

DNS History

13 records (7 active, 6 former)

20162017201820192020202120222023202420252026NSns1.xbiz.ne.jpns2.xbiz.ne.jpns3.xbiz.ne.jpns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXmail.protonmail.chmailsec.protonmail.chxus.jpA183.181.99.23120.136.14.48
NSns1.xbiz.ne.jp2020-11-27 → 2026-08-04 · 3 obs
○ 2016-11-27 03:17:16
● 2020-11-27 01:47:16
● 2026-08-04 19:31:56
NSns1.xserver.jp2015-07-09 → 2016-11-27 · 4 obs
● 2015-07-09 16:20:42
● 2016-11-27 03:17:16
○ 2020-11-27 01:47:16
○ 2026-08-04 19:31:56
NSns2.xbiz.ne.jp2020-11-27 → 2026-08-04 · 3 obs
○ 2016-11-27 03:17:16
● 2020-11-27 01:47:16
● 2026-08-04 19:31:56
NSns2.xserver.jp2015-07-09 → 2016-11-27 · 4 obs
● 2015-07-09 16:20:42
● 2016-11-27 03:17:16
○ 2020-11-27 01:47:16
○ 2026-08-04 19:31:56
NSns3.xbiz.ne.jp2020-11-27 → 2026-08-04 · 3 obs
○ 2016-11-27 03:17:16
● 2020-11-27 01:47:16
● 2026-08-04 19:31:56
NSns3.xserver.jp2015-07-09 → 2016-11-27 · 4 obs
● 2015-07-09 16:20:42
● 2016-11-27 03:17:16
○ 2020-11-27 01:47:16
○ 2026-08-04 19:31:56
NSns4.xserver.jp2015-07-09 → 2016-11-27 · 4 obs
● 2015-07-09 16:20:42
● 2016-11-27 03:17:16
○ 2020-11-27 01:47:16
○ 2026-08-04 19:31:56
NSns5.xserver.jp2015-07-09 → 2016-11-27 · 4 obs
● 2015-07-09 16:20:42
● 2016-11-27 03:17:16
○ 2020-11-27 01:47:16
○ 2026-08-04 19:31:56
MXmail.protonmail.ch2026-03-02 → 2026-08-04 · 3 obs
○ 2015-07-09 16:20:42
● 2026-03-02 19:34:46
● 2026-08-04 19:31:56
MXmailsec.protonmail.ch2026-03-02 → 2026-08-04 · 3 obs
○ 2015-07-09 16:20:42
● 2026-03-02 19:34:46
● 2026-08-04 19:31:56
MXxus.jp2015-07-09 → 2026-08-04 · 2 obs
● 2015-07-09 16:20:42
● 2026-08-04 19:31:56
A120.136.14.482015-07-09 → 2016-11-27 · 4 obs
● 2015-07-09 16:20:42
● 2016-11-27 03:17:16
○ 2020-11-27 01:47:16
○ 2026-08-04 19:31:56
A183.181.99.232020-11-27 → 2026-08-04 · 3 obs
○ 2016-11-27 03:17:16
● 2020-11-27 01:47:16
● 2026-08-04 19:31:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, g.dns.jp, d.dns.jp, a.dns.jp...-
xus.jpns3.xbiz.ne.jp, ns2.xbiz.ne.jp, ns1.xbiz.ne.jp3 records

✅ Authoritative Response

Server:157.112.191.237

NS records: ns3.xbiz.ne.jp, ns2.xbiz.ne.jp, ns1.xbiz.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xus.jp (unsigned zone)

⏱️ Timing

Total: 2162ms | Queries: -

📄 Records

TypeCountSample Data
A1183.181.99.23
NS3ns1.xbiz.ne.jp, ns2.xbiz.ne.jp...
MX3mail.protonmail.ch (pri: 10), xus.jp (pri: 0)...
TXT2protonmail-verification=02364f9e27f62f8a, v=spf1 +a:sv122.xbiz.ne.jp +a:xus.jp +mx
SOA1ns1.xbiz.ne.jp root.xbiz.ne.jp

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns3.xbiz.ne.jp, ns2.xbiz.ne.jp, ns1.xbiz.ne.jp)

Analysis

Mail Server Role

The MX record for xus.jp points back to xus.jp — it is its own mail server.

mail.protonmail.ch and mailsec.protonmail.ch commonly serve as mail servers alongside xus.jp.

IP Addresses

xus.jp directs to one IP number, which is 183.181.99.23.

Among the host names that share IP numbers with xus.jp are www.fukuoka-tenjin-naishikyo.com, www.work-net.co.jp, www.barcelona.co.jp and two others.

Name Servers

xus.jp has three name servers — ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.

xus.jp shares at least some of its name servers with other domains, including ho-make.com, kamenoibus.com, suemokko.co.jp and two others.

These name servers are frequently paired with the name servers ns1.sixcore.ne.jp, ns2.sixcore.ne.jp and ns3.sixcore.ne.jp.

Each of the three hostnames points to exactly one IP address: ns1.xbiz.ne.jp points to 157.112.182.247, ns2.xbiz.ne.jp points to 35.76.79.244 and ns3.xbiz.ne.jp points to 157.112.191.237.

Mail Servers

Mail for xus.jp is routed through three mail servers — xus.jp, mail.protonmail.ch and mailsec.protonmail.ch.

xus.jp shares at least some of its mail servers with other domains — for example emailmask.net, montgomerycapitalpartners.com, vervaeke.pro and two more.

Hosts with three IP address records:

mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128.

mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

Hosts that resolve to one IP address:

xus.jp resolves to 183.181.99.23.