ws.class-cloud.jp - dns.ninja

`ws.class-cloud.jp`

DNSSEC	⚠️ Not signed
A	3.114.23.182^{🇯🇵 Amazon3.112.0.0/14 EC2 NRT prefix}
		PTR	`ec2-3-114-23-182.ap-northeast-1.compute.amazonaws.com`
A	13.159.242.150^{🇺🇸 Amazon13.158.0.0/15 EC2 NRT prefix}
A	18.181.11.96^{🇯🇵 Amazon18.180.0.0/15 EC2 NRT prefix}

`class-cloud.jp`

	DNSSEC	⚠️ Not signed
	A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
	NS	`ns-1317.awsdns-36.org` ⭐
	NS	`ns-1541.awsdns-00.co.uk`
	NS	`ns-430.awsdns-53.com`
	NS	`ns-857.awsdns-43.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`google-site-verification=LT87fJRD7YWNwnANKwLwmrCkJgynEcZbsMkitUHzmhs`
	SOA	`ns-1317.awsdns-36.org`awsdns-hostmaster@amazon.com serial=1

Same first word

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ws.mk

ws.hu

ws.co.at

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ws.edu.pl

ws.go.th

ws.cc

ws.dev

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ws.kg

ws.pt

ws.hockey

ws.company

ws.rs

ws.au

ws.ru

ws.to

ws.services

ws.ac.th

ws.be

ws.io

ws.s3-website-eu-west-1.amazonaws.com

ws.partners

ws.com.tr

ws.dj

ws.se

ws.church

ws.s3.amazonaws.com

ws.am

ws.su

ws.tn

ws.no

ws.chat

ws.fi

ws.cz

ws.agency

ws.la

ws.cn

ws.gl

ws.ws

ws.trafficmanager.net

ws.uy

ws.biz

ws.tc

ws.org

ws.com.pl

ws.ca

ws.fr

ws.com

ws.starachowice.pl

ws.dk

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ws.uz

ws

ws.md

ws.com.br

ws.kiev.ua

ws.net.za

ws.sg

ws.computer

ws.cl

ws.de

ws.ai

ws.ua

ws.ma

ws.co.uk

ws.ph

ws.com.ua

ws.gs

ws.gov.cn

ws.inf.br

ws.co.th

ws.is

ws.or.kr

ws.lv

ws.net.ua

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sw.co.nz

sw.cz

sw.org

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sw.waw.pl

sw.to

sw.fit

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sw.photography

sw.is

sw.company

sw.ac.th

sw.ca

sw.no

sw.style

sw.com.mx

sw.org.ua

sw.com.ar

sw.nl

sw.gmbh

sw.pe

sw.hu

sw.com.sg

sw.gov.pl

sw.co.uk

sw.fi

sw.oz.au

sw.contractors

sw.uz

sw.edu

sw.app

sw.gov.qa

sw.international

sw.ai

sw.ma

sw.co

sw.run

sw.io

sw.am

sw.dyndns.org

sw.com.pk

sw.be

sw.cx

sw.spb.ru

sw.eu

sw.or.kr

sw.dk

sw.su

sw.business

sw.ro

sw.tv

sw.ac.kr

sw.net.tr

sw.technology

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sw.lt

sw.com.au

sw.solar

sw.biz

sw.vg

sw.fyi

sw.com.cn

sw.mil

sw.school

sw.si

sw.hk

sw.net

sw.gotdns.com

sw.com.br

sw.chat

sw.dev

sw.de

sw.la

sw.gy

sw.show

sw.sk

sw.co.kr

sw.com.ua

sw.ee

sw.media

sw.legal

DNS History

21 records (3 active, 18 former)

○A13.113.11.772026-02-17 → 2026-02-17 · 4 obs

○ 2026-02-16 10:03:54
● 2026-02-17 23:57:06
○ 2026-03-26 22:18:50
○ 2026-07-13 19:39:46

○A13.115.89.1082026-04-16 → 2026-04-23 · 5 obs

○ 2026-04-13 03:01:40
● 2026-04-16 17:47:58
● 2026-04-23 11:21:04
○ 2026-05-03 01:24:24
○ 2026-07-13 19:39:46

○A13.159.216.182026-05-03 → 2026-05-03 · 3 obs

○ 2026-04-23 11:21:04
● 2026-05-03 01:24:24
○ 2026-07-13 19:39:46

○A13.159.242.1172026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-16 17:47:58
● 2026-04-23 11:21:04
○ 2026-05-03 01:24:24
○ 2026-07-13 19:39:46

●A13.159.242.1502026-07-13 → 2026-07-13 · 2 obs

○ 2026-05-03 01:24:24
● 2026-07-13 19:39:46

○A13.192.159.322026-03-26 → 2026-03-29 · 5 obs

○ 2026-02-17 23:57:06
● 2026-03-26 22:18:50
● 2026-03-29 13:14:52
○ 2026-04-13 03:01:40
○ 2026-07-13 19:39:46

○A13.192.180.1022026-04-13 → 2026-04-16 · 5 obs

○ 2026-03-29 13:14:52
● 2026-04-13 03:01:40
● 2026-04-16 17:47:58
○ 2026-04-23 11:21:04
○ 2026-07-13 19:39:46

○A175.41.195.1992026-02-17 → 2026-02-17 · 4 obs

○ 2026-02-16 10:03:54
● 2026-02-17 23:57:06
○ 2026-03-26 22:18:50
○ 2026-07-13 19:39:46

○A18.179.161.832026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 10:03:54
○ 2026-02-17 23:57:06
○ 2026-07-13 19:39:46

●A18.181.11.962026-07-13 → 2026-07-13 · 2 obs

○ 2026-05-03 01:24:24
● 2026-07-13 19:39:46

○A18.182.158.2212026-04-13 → 2026-04-13 · 4 obs

○ 2026-03-29 13:14:52
● 2026-04-13 03:01:40
○ 2026-04-16 17:47:58
○ 2026-07-13 19:39:46

●A3.114.23.1822026-07-13 → 2026-07-13 · 2 obs

○ 2026-05-03 01:24:24
● 2026-07-13 19:39:46

○A52.192.197.2052026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 10:03:54
○ 2026-02-17 23:57:06
○ 2026-07-13 19:39:46

○A52.193.5.162026-05-03 → 2026-05-03 · 3 obs

○ 2026-04-23 11:21:04
● 2026-05-03 01:24:24
○ 2026-07-13 19:39:46

○A52.198.179.252026-04-13 → 2026-04-13 · 4 obs

○ 2026-03-29 13:14:52
● 2026-04-13 03:01:40
○ 2026-04-16 17:47:58
○ 2026-07-13 19:39:46

○A52.68.46.292026-05-03 → 2026-05-03 · 3 obs

○ 2026-04-23 11:21:04
● 2026-05-03 01:24:24
○ 2026-07-13 19:39:46

○A54.150.111.542026-04-16 → 2026-04-23 · 5 obs

○ 2026-04-13 03:01:40
● 2026-04-16 17:47:58
● 2026-04-23 11:21:04
○ 2026-05-03 01:24:24
○ 2026-07-13 19:39:46

○A54.178.179.422026-03-26 → 2026-03-29 · 5 obs

○ 2026-02-17 23:57:06
● 2026-03-26 22:18:50
● 2026-03-29 13:14:52
○ 2026-04-13 03:01:40
○ 2026-07-13 19:39:46

○A54.199.97.442026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 10:03:54
○ 2026-02-17 23:57:06
○ 2026-07-13 19:39:46

○A57.180.97.2412026-03-26 → 2026-03-29 · 5 obs

○ 2026-02-17 23:57:06
● 2026-03-26 22:18:50
● 2026-03-29 13:14:52
○ 2026-04-13 03:01:40
○ 2026-07-13 19:39:46

○A57.182.209.232026-02-17 → 2026-02-17 · 4 obs

○ 2026-02-16 10:03:54
● 2026-02-17 23:57:06
○ 2026-03-26 22:18:50
○ 2026-07-13 19:39:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	d.dns.jp, e.dns.jp, f.dns.jp, h.dns.jp...	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-

✅ Authoritative Response

Server:205.251.195.89

NS records: ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for class-cloud.jp (unsigned zone)

⏱️ Timing

Total: 272ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`18.181.11.96, 3.114.23.182...`

Analysis

IP Addresses

ws.class-cloud.jp directs to three IP numbers: 3.114.23.182, 13.159.242.150 and 18.181.11.96.

Other host names, such as ec2-13-159-242-150.ap-northeast-1.compute.amazonaws.com, share IP numbers with ws.class-cloud.jp.