cassy.jp - robtex.com

cassy.jp

DNSSEC⚠️ Not signed
NSns1.xserver.jp ⚠️ Not in zone NS records
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 ⚠️ Not in zone NS records
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp ⚠️ Not in zone NS records
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp ⚠️ Not in zone NS records
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 ⚠️ Not in zone NS records
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

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=1783261802

Previously MX for

cassy.jp

Same first word

cassy.de
cassy.info
cassy.jp
cassy.us
cassy.net
cassy.fr
cassy.be
cassy.nl
cassy.ca
cassy.com
cassy.me
cassy.eu
cassy.jp.net
cassy.co.uk
cassy.lu
cassy.com.br

Similar names

sycsa.mx
acsys.com.br
ycsas.org
acsys.fr
acsys.gr
casys.com
acsys.co.uk
acsys.net
acsys.eu
sycsa.org.uk
casys.com.br
sycsa.com
acsys.cz
yacss.com
casys.mk
asycs.com
cssya.com
acsys.at
sycas.net
yassc.com
csysa.org.uk
sysac.com
scysa.asia
sysca.jp
casys.ru
aycss.com
casys.com.pl
csays.com
casys.bg
sysac.org.uk
acsys.by
casys.com.au
acsys.com.au
acsys.pl
sycsa.net
acsys.com
casys.cl
acsys.mx
sysca.net
scysa.ca
sycas.org
syasc.net
acsys.com.pl
sacys.org
sycsa.org
scysa.com
acsys.es
acsys.ru
syacs.com
syasc.com
saysc.org
acsys.org
casys.be
sycas.com
scays.com
casys.pl
sasyc.com
scsay.com
acsys.ch
csysa.com
acsys.it
acsys.de
sysca.com.br
acsys.info
asycs.de
acsys.cn
casys.de
sacys.com
ayssc.com
sysca.com
acsys.com.pk
scasy.com
sysca.nl
acsys.in
sycsa.co.uk
sysca.com.mx
sysca.de
sascy.com
sacsy.com
acsys.spb.ru
casys.id
casys.org
acsys.be
casys.net
yacss.site
casys.com.mk

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.nlrs.jpns1.value-domain.comns2.nlrs.jpns2.value-domain.comMXcassy.jpmail.cassy.jpA202.208.195.8203.189.104.144
○NSns1.nlrs.jp2016-01-26 → 2017-04-21 · 5 obs
○ 2015-12-11 10:10:00
● 2016-01-26 15:49:14
● 2017-04-21 07:55:50
○ 2026-06-17 21:31:36
○ 2026-07-05 14:33:38
○NSns1.value-domain.com2015-08-27 → 2015-09-22 · 4 obs
● 2015-08-27 14:50:04
● 2015-09-22 11:36:04
○ 2015-12-11 10:10:00
○ 2026-07-05 14:33:38
●NSns1.xserver.jp2026-06-17 → 2026-07-05 · 3 obs
○ 2017-04-21 07:55:50
● 2026-06-17 21:31:36
● 2026-07-05 14:33:38
○NSns2.nlrs.jp2016-01-26 → 2017-04-21 · 5 obs
○ 2015-12-11 10:10:00
● 2016-01-26 15:49:14
● 2017-04-21 07:55:50
○ 2026-06-17 21:31:36
○ 2026-07-05 14:33:38
○NSns2.value-domain.com2015-08-27 → 2015-09-22 · 4 obs
● 2015-08-27 14:50:04
● 2015-09-22 11:36:04
○ 2015-12-11 10:10:00
○ 2026-07-05 14:33:38
●NSns2.xserver.jp2026-06-17 → 2026-07-05 · 3 obs
○ 2017-04-21 07:55:50
● 2026-06-17 21:31:36
● 2026-07-05 14:33:38
●NSns3.xserver.jp2026-06-17 → 2026-07-05 · 3 obs
○ 2017-04-21 07:55:50
● 2026-06-17 21:31:36
● 2026-07-05 14:33:38
●NSns4.xserver.jp2026-06-17 → 2026-07-05 · 3 obs
○ 2017-04-21 07:55:50
● 2026-06-17 21:31:36
● 2026-07-05 14:33:38
●NSns5.xserver.jp2026-06-17 → 2026-07-05 · 3 obs
○ 2017-04-21 07:55:50
● 2026-06-17 21:31:36
● 2026-07-05 14:33:38
○MXcassy.jp2016-01-26 → 2017-04-21 · 5 obs
○ 2015-12-11 10:10:00
● 2016-01-26 15:49:14
● 2017-04-21 07:55:50
○ 2026-06-17 21:31:36
○ 2026-07-05 14:33:38
○MXmail.cassy.jp2015-08-27 → 2015-09-22 · 4 obs
● 2015-08-27 14:50:04
● 2015-09-22 11:36:04
○ 2015-12-11 10:10:00
○ 2026-07-05 14:33:38
○A202.208.195.82016-01-26 → 2017-04-21 · 5 obs
○ 2015-12-11 10:10:00
● 2016-01-26 15:49:14
● 2017-04-21 07:55:50
○ 2026-06-17 21:31:36
○ 2026-07-05 14:33:38
○A203.189.104.1442015-08-27 → 2015-09-22 · 4 obs
● 2015-08-27 14:50:04
● 2015-09-22 11:36:04
○ 2015-12-11 10:10:00
○ 2026-07-05 14:33:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpc.dns.jp, f.dns.jp, e.dns.jp, g.dns.jp...-
cassy.jpns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.164

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 cassy.jp (unsigned zone)

⏱️ Timing

Total: 1202ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 11

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

Analysis

Name Servers

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

There is at least partial name server overlap between cassy.jp and other domains — kitodesign.net, shukou-fukuyama.com, sp-g.net 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.