jailhouse.jp - robtex.com

jailhouse.jp

DNSSEC⚠️ Not signed
A183.90.232.20🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv1219.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
MXjailhouse.jp
A183.90.232.20🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv1219.xserver.jp
TXTv=spf1 +a:sv1219.xserver.jp +a:jailhouse.jp +mx include:spf.sender.xserver.jp...
SOAns1.xserver.jproot@sv0.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=1785906003
rank #544091 globally
rank #11123 in the tld

MX for

Same first word

Similar names

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.in-plus.jpns2.in-plus.jpMXjailhouse.jpqsmtp02.in-plus.jpA183.90.232.20114.179.231.90
NSns1.in-plus.jp2015-06-20 → 2016-01-20 · 4 obs
● 2015-06-20 03:38:32
● 2016-01-20 22:41:14
○ 2016-04-10 13:34:34
○ 2026-08-05 05:40:48
NSns1.xserver.jp2016-04-10 → 2026-08-05 · 3 obs
○ 2016-01-20 22:41:14
● 2016-04-10 13:34:34
● 2026-08-05 05:40:48
NSns2.in-plus.jp2015-06-20 → 2016-01-20 · 4 obs
● 2015-06-20 03:38:32
● 2016-01-20 22:41:14
○ 2016-04-10 13:34:34
○ 2026-08-05 05:40:48
NSns2.xserver.jp2016-04-10 → 2026-08-05 · 3 obs
○ 2016-01-20 22:41:14
● 2016-04-10 13:34:34
● 2026-08-05 05:40:48
NSns3.xserver.jp2016-04-10 → 2026-08-05 · 3 obs
○ 2016-01-20 22:41:14
● 2016-04-10 13:34:34
● 2026-08-05 05:40:48
NSns4.xserver.jp2016-04-10 → 2026-08-05 · 3 obs
○ 2016-01-20 22:41:14
● 2016-04-10 13:34:34
● 2026-08-05 05:40:48
NSns5.xserver.jp2016-04-10 → 2026-08-05 · 3 obs
○ 2016-01-20 22:41:14
● 2016-04-10 13:34:34
● 2026-08-05 05:40:48
MXjailhouse.jp2016-04-10 → 2026-08-05 · 3 obs
○ 2016-01-20 22:41:14
● 2016-04-10 13:34:34
● 2026-08-05 05:40:48
MXqsmtp02.in-plus.jp2015-06-20 → 2016-01-20 · 4 obs
● 2015-06-20 03:38:32
● 2016-01-20 22:41:14
○ 2016-04-10 13:34:34
○ 2026-08-05 05:40:48
A114.179.231.902015-06-20 → 2016-01-20 · 4 obs
● 2015-06-20 03:38:32
● 2016-01-20 22:41:14
○ 2016-04-10 13:34:34
○ 2026-08-05 05:40:48
A183.90.232.202016-04-10 → 2026-08-05 · 3 obs
○ 2016-01-20 22:41:14
● 2016-04-10 13:34:34
● 2026-08-05 05:40:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
jailhouse.jpns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...11 records

✅ 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 jailhouse.jp (unsigned zone)

⏱️ Timing

Total: 916ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.232.20
NS5ns4.xserver.jp, ns3.xserver.jp...
MX1jailhouse.jp (pri: 0)
TXT1v=spf1 +a:sv1219.xserver.jp +a:jailhouse
SOA1ns1.xserver.jp root.sv0.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Mail Server Role

jailhouse.jp serves as a mail server for jailhouse.jp.

IP Addresses

jailhouse.jp has exactly one IP address — 183.90.232.20.

seagp.com, ozm.jp, midori-foods.com plus two other host names have IP numbers in common with jailhouse.jp.

Name Servers

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

The name servers of jailhouse.jp overlap at least partially with those of other domains — among them wiruswin.com, ibako.net, kigyoukadaigaku.jp and two more.

These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to three 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 points to the IP address 35.72.43.26.

ns3.xserver.jp points to the IP address 202.226.36.247.

Mail Servers

jailhouse.jp uses exactly one mail server, which is jailhouse.jp.

There is one IP number for jailhouse.jp: 183.90.232.20.