auth.class-cloud.jp - dns.ninja

`auth.class-cloud.jp`

	CNAME	`classcloud-96ea2.firebaseapp.com`
	DNSSEC	⚠️ Not signed
	A	2620:0:890::100^{🇺🇸 Fastly2620:0:890::/48 Google}
	A	199.36.158.100^{🇺🇸 Fastly199.36.158.0/24 Google}
	TXT	`v=DKIM1; k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5Fz...`
	TXT	`v=spf1 redirect=_spf.google.com`

`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

auth.es

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auth.re

auth.dog

auth.events

auth.tn.it

auth.net

auth.pk

auth.codes

auth.io

auth.md

auth.no

auth.gay

auth.de

auth.srv.br

auth.com.ua

auth.tech.orange

auth.com.au

auth.ca

auth.ee

auth.im

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auth.us

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auth.solutions

auth.tel

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auth.black

auth.so

auth.sk

auth.at

auth.ch

auth.mobi

auth.inc

auth.hu

auth.co.za

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auth.ink

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auth.taipei

auth.services

auth.fr

auth.su

auth.red

auth.as

auth.main.jp

auth.work

auth.com.br

auth.qld.gov.au

auth.eu

auth.dk

auth.vn

auth.fit

auth.fi

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auth.bid

auth.today

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auth.email

auth.dev

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auth.zip

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auth.to

auth.fans

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auth.com

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auth.game

auth.in.net

auth.business

auth.store

auth.aero

auth.dvag

auth.ac

auth.poker

auth.style

auth.net.br

auth.run

auth.edu.ee

auth.microsoft

auth.gy

auth.management

auth.bot

auth.info

auth.company

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auth.tips

auth.guru

auth.co

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DNS History

1 record (1 active, 0 former)

●CNAMEclasscloud-96ea2.firebaseapp.com2026-04-22 → 2026-07-13 · 2 obs

● 2026-04-22 04:16:30
● 2026-07-13 08:33:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
class-cloud.jp	ns-430.awsdns-53.com, ns-857.awsdns-43.net, ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
class-cloud.jp	ns-1317.awsdns-36.org, ns-1541.awsdns-00.co.uk, ns-430.awsdns-53.com, ns-857.awsdns-43.net	-
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:205.251.197.37

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: 3710ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`classcloud-96ea2.firebaseapp.com`

Analysis

IP Addresses

auth.class-cloud.jp has two IP addresses: 199.36.158.100 and 2620:0:890::100

Other host names, for instance wettransfer-f2e68.web.app, smartwebdecentralization.web.app, galau-brutal-inimah.web.app and two other share IP numbers with auth.class-cloud.jp.