🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`class.cloud`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1d30^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:ab67^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.48^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.103^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jean.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c079^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2079^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jean.ns.cloudflare.com`
		A	108.162.192.121^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	172.64.32.121^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	173.245.58.121^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
NS	`trey.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trey.ns.cloudflare.com`
		A	108.162.193.242^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	172.64.33.242^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	173.245.59.242^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
MX	`alt1.aspmx.l.google.com` ⭐
		A	2a00:1450:4025:4403::1a^{🇮🇪 Google2a00:1450:4025::/48}
			PTR	`yuskelf-in-f26.1e100.net`
		A	192.178.228.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`yuskelf-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com` ⭐
		A	2a00:1450:4025:c01::1b^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f27.1e100.net`
		A	142.250.147.26^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4010:c22::1a^{🇫🇮 Google2a00:1450:4010::/48}
			PTR	`yulpptr-in-f26.1e100.net`
		A	172.253.152.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yulpptr-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2404:6800:4000:1027::1b^{🇮🇳 Google2404:6800::/32}
			PTR	`ncboms-in-f27.1e100.net`
		A	192.179.20.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncboms-in-f27.1e100.net`
MX	`aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4013:c1c::1b^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqog-in-f27.1e100.net`
		A	172.217.218.26^{🇺🇸 Google172.217.218.0/24}
			PTR	`en-in-f26.1e100.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.48, 172.67.171.103
		IPv6 hints	2606:4700:3033::6815:1d30, 2606:4700:3033::ac43:ab67
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=188, name=cloudflare-ech.com
SOA	`jean.ns.cloudflare.com`dns@cloudflare.com serial=2417722654

`cloud`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1792666829

Same first word

class.email

class.pe

class.fyi

class.lat

class.bg

class.ws

class.travel

class.gg

class.live

class.ai

class.rent

class.education

class.site

class.business

class.ventures

class.uk

class.cool

class.ai.in

class.style

class.construction

class.pages.dev

class.sg

class.od.ua

class.study

class.blue

class.fi

class.se

class.altervista.org

class.ly

class.app

class.pm

class.sh

class.su

class.to

class.org.ro

class.pt

class.cab

class.bz

class.beer

class.com.pl

class.idv.tw

class.rs

class.de

class.contractors

class.credit

class.co

class.am

class.it

class.edu.ly

class.freeboxos.fr

class.works

class.systems

class.technology

class.now

class.org.ph

class.network

class.com.py

class.info

class.claims

class.lu

class.directory

class.za.com

class.day

class.computer

class.do

class.tax

class.click

class.world

class.com.hk

class.health

class.games

class.tools

class.in.th

class.express

class.expert

class.co.at

class.center

class.com.ar

class.msk.ru

class.so

class.report

class.mn

class.photos

class.li

class.com.ro

class.al

class.eu

class.sy

class.st

class.id

class.biz

class.com.tr

class.gr

class.qa

class.my

class.org

class.us

class.support

class.com.vn

class.institute

Similar names

scals.online

aclss.co.ke

slasc.blog

class.in.ua

class.guide

class.glass

acsls.org

cssla.org

asslc.fr

class.myqnapcloud.com

class.kr

class.co.uk

scsal.it

class.com.uy

class.kim

slcsa.org

csals.co.uk

class.cc

alscs.com.au

slcsa.ch

class.is

class.synology.me

class.mba

casls.online

class.tech

class.fit

class.edu.kg

class.rip

clssa.com

class.my.id

class.fund

lscsa.cn

lcass.com

class.digital

class.com.ph

scasl.net

class.mycloudnas.com

csasl.com

slcas.org

sacsl.co

class.sk

alssc.net

class.dev

sacsl.co.nz

class.run

alscs.net

acssl.org

class.energy

class.lt

class.today

class.immo

lsasc.club

class.me

aslsc.com

class.mydns.jp

scals.cn

salcs.duckdns.org

class.pro

calss.com

class.eu.org

class.sa.com

class.im

class.by

class.coach

class.marketing

class.co.zw

lcsas.net

scsla.org

asscl.app

ascls.xyz

class.cv

class.cafe

class.ovh

class.cl

class.ma

class.jp

class.adobeaemcloud.com

clsas.com

class.arq.br

ssacl.com

clssa.sa.edu.au

class.org.br

sclas.ca

class.ninja

calss.org

cslsa.us

slcsa.co.za

class.com.au

slcas.on.ca

class.voto

class.com.sa

class.nl

class.asso.eu.org

class.vc

salcs.uk

aslsc.org.uk

class.farm

class.io

class.company

sscla.org

class.fr

class.tel

ssalc.com

cassl.org

alssc.cn

aclss.org

ascls.org

slasc.site

casls.mx

class.ms

class.net

class.promo

lsasc.org

class.vision

lssac.org

class.bot

class.onl

class.hu

aslcs.ca

slacs.de

clssa.info

sscla.com

class.ro

class.photography

lscas.com

cssal.org

class.net.nz

class.asia

class.co.jp

class.zone

class.no

clsas.org

class.workers.dev

class.wtf

scals.de

calss.net

class.one

class.es

clssa.org

slsac.cn

lcssa.org

sacls.com

class.hr

class.on.ca

scsla.com

class.co.com

class.pl

scals.co.jp

class.delivery

class.community

clsas.com.co

class.co.id

sclsa.com

class.co.nz

casls.org

class.ie

class.adv.br

asslc.charity

class.net.ph

class.agency

sacsl.es

class.cn

class.rocks

class.town

alssc.com

ascsl.com

sclas.co.kr

lcass.synology.me

class.services

class.cz

class.show

scals.org

class.com.br

class.gold

aslcs.com

class.estate

class.la

class.ee

class.science

class.ooo

sacsl.com

class.nexus

class.ca

scals.com

class.solutions

class.io.vn

class.myds.me

class.city

class.supplies

class.com.pe

class.academy

lscsa.com

slsac.org

class.lk

class.edu.vn

class.contact

class.net.br

scsal.com

Previous names

Next names

DNS History

15 records (11 active, 4 former)

●NSjean.ns.cloudflare.com2026-08-29 → 2026-10-22 · 2 obs

● 2026-08-29 00:17:54
● 2026-10-22 11:37:52

●NStrey.ns.cloudflare.com2026-08-29 → 2026-10-22 · 2 obs

● 2026-08-29 00:17:54
● 2026-10-22 11:37:52

●MXalt1.aspmx.l.google.com2026-08-29 → 2026-10-22 · 2 obs

● 2026-08-29 00:17:54
● 2026-10-22 11:37:52

●MXalt2.aspmx.l.google.com2026-08-29 → 2026-10-22 · 2 obs

● 2026-08-29 00:17:54
● 2026-10-22 11:37:52

●MXalt3.aspmx.l.google.com2026-08-29 → 2026-10-22 · 2 obs

● 2026-08-29 00:17:54
● 2026-10-22 11:37:52

●MXalt4.aspmx.l.google.com2026-08-29 → 2026-10-22 · 2 obs

● 2026-08-29 00:17:54
● 2026-10-22 11:37:52

●MXaspmx.l.google.com2026-08-29 → 2026-10-22 · 2 obs

● 2026-08-29 00:17:54
● 2026-10-22 11:37:52

●A104.21.29.482026-09-07 → 2026-10-22 · 5 obs

○ 2026-08-29 00:17:54
● 2026-09-07 20:15:06
○ 2026-10-12 08:45:06
● 2026-10-22 11:37:48
● 2026-10-22 11:37:52

●A172.67.171.1032026-09-07 → 2026-10-22 · 5 obs

○ 2026-08-29 00:17:54
● 2026-09-07 20:15:06
○ 2026-10-12 08:45:06
● 2026-10-22 11:37:48
● 2026-10-22 11:37:52

○A188.114.96.02026-08-29 → 2026-10-12 · 5 obs

● 2026-08-29 00:17:54
○ 2026-09-07 20:15:06
● 2026-10-12 08:45:06
○ 2026-10-22 11:37:48
○ 2026-10-22 11:37:52

○A188.114.97.02026-08-29 → 2026-10-12 · 5 obs

● 2026-08-29 00:17:54
○ 2026-09-07 20:15:06
● 2026-10-12 08:45:06
○ 2026-10-22 11:37:48
○ 2026-10-22 11:37:52

●A2606:4700:3033::6815:1d302026-09-07 → 2026-10-22 · 5 obs

○ 2026-08-29 00:17:54
● 2026-09-07 20:15:06
○ 2026-10-12 08:45:06
● 2026-10-22 11:37:48
● 2026-10-22 11:37:52

●A2606:4700:3033::ac43:ab672026-09-07 → 2026-10-22 · 5 obs

○ 2026-08-29 00:17:54
● 2026-09-07 20:15:06
○ 2026-10-12 08:45:06
● 2026-10-22 11:37:48
● 2026-10-22 11:37:52

○A2a06:98c1:3120::2026-08-29 → 2026-10-12 · 5 obs

● 2026-08-29 00:17:54
○ 2026-09-07 20:15:06
● 2026-10-12 08:45:06
○ 2026-10-22 11:37:48
○ 2026-10-22 11:37:52

○A2a06:98c1:3121::2026-08-29 → 2026-10-12 · 5 obs

● 2026-08-29 00:17:54
○ 2026-09-07 20:15:06
● 2026-10-12 08:45:06
○ 2026-10-22 11:37:48
○ 2026-10-22 11:37:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cloud	ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.info, ns10.trs-dns.org	8 records
class.cloud	jean.ns.cloudflare.com, trey.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.242

NS records: jean.ns.cloudflare.com, trey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for class.cloud (unsigned zone)

⏱️ Timing

Total: 1408ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.29.48, 172.67.171.103`
AAAA	2	`2606:4700:3033::6815:1d30, 2606:4700:3033::ac43:ab67`
NS	2	`jean.ns.cloudflare.com, trey.ns.cloudflare.com`
MX	5	`alt3.aspmx.l.google.com (pri: 10), alt4.aspmx.l.google.com (pri: 10)...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jean.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net...)

Analysis

IP Addresses

class.cloud resolves to four IP addresses: 104.21.29.48, 172.67.171.103, 2606:4700:3033::6815:1d30 and 2606:4700:3033::ac43:ab67.

Name Servers

class.cloud uses two name servers for its delegation: jean.ns.cloudflare.com and trey.ns.cloudflare.com.

class.cloud uses the same name servers as several other domains — among them liminalforms.com, henrik-2cc.workers.dev, rxaliqov188.workers.dev and two more.

class.cloud shares at least some of its name servers with other domains, including rakuten-viki.pages.dev, agilesystemgrid.my.id, seggio-team.workers.dev and two others.

These name servers are frequently seen alongside savanna.ns.cloudflare.com, sloan.ns.cloudflare.com, brian.ns.cloudflare.com and 3 other name servers.

Hostnames that resolve to 6 IP addresses:

Hostname jean.ns.cloudflare.com directs to 108.162.192.121, 172.64.32.121 and 173.245.58.121 along with 3 other IP addresses.

Hostname trey.ns.cloudflare.com directs to 108.162.193.242, 172.64.33.242 and 173.245.59.242 along with 3 other IP addresses.

Mail Servers

class.cloud is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

class.cloud has at least partial mail server overlap with other domains such as nativeaviation.org, arieldennis.com, tutored.it and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com directs traffic to 172.217.218.26 and 2a00:1450:4013:c1c::1b.

alt1.aspmx.l.google.com directs traffic to 192.178.228.27 and 2a00:1450:4025:4403::1a.

alt2.aspmx.l.google.com directs traffic to 142.250.147.26 and 2a00:1450:4025:c01::1b.

alt3.aspmx.l.google.com directs traffic to 172.253.152.26 and 2a00:1450:4010:c22::1a.

alt4.aspmx.l.google.com directs traffic to 192.179.20.27 and 2404:6800:4000:1027::1b.

class.cloud - robtex.com

class.cloud

cloud

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`class.cloud`

`cloud`