`cloud.comcast.net`

DNSSEC	⚠️ Not signed
A	10.144.55.113
A	10.144.55.114
A	10.144.55.115
NS	`dns101.comcast.net` ⭐ ⚠️ Not in parent delegation
		A	2001:558:fe23:8:69:252:250:103^{🇺🇸 AS332872001:558:fe23::/48}
			PTR	`dns101.comcast.net`
		A	69.252.250.103^{🇺🇸 COMCAST-IBONE69.240.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns101.comcast.net`
NS	`dns102.comcast.net` ⚠️ Not in parent delegation
		A	2001:558:1004:7:68:87:85:132^{🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns102.comcast.net`
		A	68.87.85.132^{🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns102.comcast.net`
NS	`dns103.comcast.net` ⚠️ Not in parent delegation
		A	2001:558:1014:c:68:87:76:228^{🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns103.comcast.net`
		A	68.87.76.228^{🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns103.comcast.net`
NS	`dns104.comcast.net` ⚠️ Not in parent delegation
		A	2001:558:100a:5:68:87:68:244^{🇺🇸 AS77252001:558:100a::/48}
			PTR	`dns104.comcast.net`
		A	68.87.68.244^{🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns104.comcast.net`
NS	`dns105.comcast.net` ⚠️ Not in parent delegation
		A	2001:558:100e:5:68:87:72:244^{🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns105.comcast.net`
		A	68.87.72.244^{🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns105.comcast.net`
SOA	`dns101.comcast.net`dnsadmin@comcast.net serial=3263

`comcast.net`

	DNSSEC	🔒 Signed (DS record present)
	A	96.99.227.0^{🇺🇸 COMCAST-IBONE96.96.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
	NS	`dns101.comcast.net` ⭐
	NS	`dns102.comcast.net`
	NS	`dns103.comcast.net`
	NS	`dns104.comcast.net`
	NS	`dns105.comcast.net`
	MX	`mx1.mxge.comcast.net` ⭐
	MX	`mx2.mxge.comcast.net` ⭐
	MX	`mx1a1.comcast.net`⁽⁵⁰⁾
	MX	`mx1c1.comcast.net`⁽⁵⁰⁾
	MX	`mx1h1.comcast.net`⁽⁵⁰⁾
	MX	`mx2a1.comcast.net`⁽⁵⁰⁾
	MX	`mx2c1.comcast.net`⁽⁵⁰⁾
	MX	`mx2h1.comcast.net`⁽⁵⁰⁾
	TXT	`yahoo-verification-key=t0ftaXXV8MB1pon3jzauB3Fz5ezusB2l9jy3GVNPQRw=`
	TXT	`v=spf1 ip4:96.103.146.48/28 ip4:96.102.19.32/28 ip4:96.102.200.0/28 include:_...`
	TXT	`google-site-verification=g7KA0NF2z-1XIBz7vWW88zvVYlJeiG56UPOYHF2tqY0`
	TXT	`google-site-verification=gxiEHT6grgMJE52lhl4OYIt5Q3XpA5qt-8Okrxq-mcE`
	SOA	`dns101.comcast.net`domregtech@comcastonline.com serial=2008258883

WOT: SAFE (92/100)
rank #1828 globally
rank #46 in the tld
This domain name "comcast.net" is associated with Comcast Corporation, a telecommunications conglomerate based in the United States. It is utilized for their online services, which include email, news, entertainment, and other web content. Comcast customers often have associated email addresses that end in "comcast.net".WOT: SAFE (92/100)
📈 Tranco rank: #254

Comcast Corporation

comcast.net is the primary domain for Comcast Corporation, an American multinational telecommunications and entertainment conglomerate headquartered in Philadelphia, Pennsylvania. Founded in 1963 by Ralph J. Roberts as a small cable system in Tupelo, Mississippi, the company has grown to become the largest home Internet service provider and second-largest cable TV company by subscribers in the United States. The name "Comcast" is a portmanteau of "Communications" and "Broadcast."

Key Services & Brands

Xfinity — Residential cable, internet, and home phone services
Xfinity Mobile — Mobile wireless service (MVNO on Verizon's network)
Comcast Business — Commercial internet, phone, and TV for businesses
NBCUniversal — Major entertainment division including NBC, Universal Pictures, and cable networks (CNBC, MSNBC, USA, Bravo, Syfy)
Sky — European media and telecommunications (acquired 2018)

Notable Acquisitions

The company has expanded through major acquisitions including NBCUniversal (2011), DreamWorks Animation (2016), and Sky Group (2018). Comcast is ranked as the fourth-largest telecommunications company worldwide by revenue.

DNS Infrastructure

Comcast operates its own authoritative DNS infrastructure with five nameservers (dns101-105.comcast.net), all with dual-stack IPv4/IPv6 support. The domain is protected by DNSSEC. Mail is handled by multiple MX servers under the mxge.comcast.net subdomain. The primary IP (96.99.227.0) is announced from AS7922 (COMCAST-IBONE). The domain ranks #254 on Tranco, reflecting its massive user base accessing webmail and account services.

Subdomains

app.cloud.comcast.net

apps.cloud.comcast.net

Same first word

cloud.ad

cloud.nom.pe

cloud.gov

cloud.in.rs

cloud.money

cloud.ch

cloud.tk

cloud.it

cloud.pk

cloud.works

cloud.net.nz

cloud.group

cloud.christmas

cloud.kiwi

cloud.ee

cloud.sx.cn

cloud.capital

cloud.org.my

cloud.or.kr

cloud.temasek

cloud.sakura.ne.jp

cloud.gifts

cloud.hu

cloud.co

cloud.ua

cloud.net.au

cloud.clinic

cloud.co.nz

cloud.directory

cloud.sap

cloud.st

cloud.com.hr

cloud.az

cloud.gov.bb

cloud.target

cloud.audi

cloud.gov.eg

cloud.net.ua

cloud.be

cloud.s3-website.us-east-2.amazonaws.com

cloud.cc

cloud.s3-ap-southeast-2.amazonaws.com

cloud.com.et

cloud.run

cloud.town

cloud.praxi

cloud.bike

cloud.me

cloud.(0x787878)

cloud.edgekey.net

cloud.coop

cloud.gb.net

cloud.cz

cloud.stream

cloud.tc

cloud.chat

cloud.s3.amazonaws.com

cloud.wtf

cloud.ml

cloud.bid

cloud.com

cloud.orange

cloud.appspot.com

cloud.law

cloud.gm

cloud.eco.br

cloud.hosting

cloud.tf

cloud.mu

cloud.ro

cloud.eu

cloud.kg

cloud.edu.tw

cloud.tv.tr

cloud.edgesuite.net

cloud.studio

cloud.care

cloud.withgoogle.com

cloud.as

cloud.net.hk

cloud.srv.br

cloud.coupons

cloud.fi

cloud.globo

cloud.cologne

cloud.osaka.jp

cloud.com.sv

cloud.next

cloud.ventures

cloud.lt

cloud.com.lb

cloud.mk

cloud.google

cloud.place

cloud.tienda

cloud.fail

cloud.co.za

cloud.org.ph

cloud.tg

cloud.team

cloud.fm

cloud.lighting

cloud.gov.in

cloud.msk.ru

cloud.rs.gov.br

cloud.global

cloud.us

cloud.ru

cloud.accountants

cloud.market

cloud.gratis

cloud.hk

cloud.goog

cloud.contact

cloud.net

cloud.ps

cloud.cash

cloud.cm

cloud.homedns.org

cloud.edgekey-staging.net

cloud.myphotos.cc

cloud.total

cloud.life

cloud.iq

cloud.es

cloud.kiev.ua

cloud.jewelry

cloud.org

cloud.expert

cloud.nhs.uk

cloud.sener

cloud.bingo

cloud.glass

cloud.systems

cloud.koeln

cloud.report

cloud.tv

cloud.edu

cloud.akamaized.net

cloud.goiania.br

cloud.ca

cloud.gg

cloud.my

cloud.la

cloud.pink

cloud.com.kw

cloud.ie

cloud.de

cloud.show

cloud.bargains

cloud.aero

cloud.githubusercontent.com

cloud.tours

cloud.support

cloud.co.ao

cloud.ec

cloud.nyc

cloud.by

cloud.s3.us-east-1.amazonaws.com

cloud.in

cloud.gov.ge

cloud.com.tr

cloud.sc

cloud.computer

cloud.dk

cloud.sg

cloud.pf

cloud.school.nz

cloud.li

Similar names

cloud.com.br

cloud.biz

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

could.co

cloud.solar

cloud.house

clodu.info

cloud.net.sa

codul.es

cloud.at

cloud.tui

cloud.edu.au

cloud.net.im

cloud.one

cloud.bg

cloud.associates

cloud.co.uk

cloud.limited

cloud.microsoft

ludoc.net

codul.us

cudlo.store

cloud.biz.pk

cloud.pl

cloud.com.ar

cloud.red

cloud.ltda

doclu.com

cloud.s3-website-us-west-2.amazonaws.com

cloud.coffee

cloud.media

cloud.fr

cloud.s3-website-us-east-1.amazonaws.com

cloud.gal

cloud.id

cloud.com.pe

cloud.art.br

cloud.bs

cloud.uk.net

cloud.i234.me

cloud.ao.it

cloud.durban

duolc.org

dulco.ch

cloud.tirol

cloud.s3-website.ap-south-1.amazonaws.com

could.eu

cloud.properties

cloud.viajes

duclo.net

cloud.taipei

cloud.is.it

cloud.yandex

cloud.lgbt

cloud.gov.pk

cloud.website

cloud.mobi

cloud.info

cloud.rs

duolc.net

cloud.property

cloud.dvag

cloud.pro

dulco.net

cloud.pa.it

lduco.com

cloud.rimini.it

cloud.dj

cloud.construction

ludco.net

cloud.tel

cloud.mil

ducol.co.jp

cloud.net.za

cloud.sr

cloud.gov.bf

cloud.hr

could.uk

cloud.do

cloud.ma

cloud.army

cloud.s3.ap-northeast-1.amazonaws.com

cloud.bmw

cloud.land

cloud.si

cloud.nl

could.do

cloud.builders

cloud.ly

ducol.com.br

cloud.store

cloud.gov.bh

cloud.capetown

cluod.cn

cloud.africa

cloud.com.py

dulco.it

cloud.su

cloud.edu.vn

oclud.com

DNS History

10 records (8 active, 2 former)

●NSdns101.comcast.net2017-03-22 → 2026-03-26 · 2 obs

● 2017-03-22 03:16:14
● 2026-03-26 04:46:30

●NSdns102.comcast.net2017-03-22 → 2026-03-26 · 2 obs

● 2017-03-22 03:16:14
● 2026-03-26 04:46:30

●NSdns103.comcast.net2017-03-22 → 2026-03-26 · 2 obs

● 2017-03-22 03:16:14
● 2026-03-26 04:46:30

●NSdns104.comcast.net2017-03-22 → 2026-03-26 · 2 obs

● 2017-03-22 03:16:14
● 2026-03-26 04:46:30

●NSdns105.comcast.net2017-03-22 → 2026-03-26 · 2 obs

● 2017-03-22 03:16:14
● 2026-03-26 04:46:30

●A10.144.55.1132020-02-24 → 2026-03-26 · 3 obs

○ 2017-03-22 03:16:14
● 2020-02-24 09:36:32
● 2026-03-26 04:46:30

●A10.144.55.1142020-02-24 → 2026-03-26 · 3 obs

○ 2017-03-22 03:16:14
● 2020-02-24 09:36:32
● 2026-03-26 04:46:30

●A10.144.55.1152020-02-24 → 2026-03-26 · 3 obs

○ 2017-03-22 03:16:14
● 2020-02-24 09:36:32
● 2026-03-26 04:46:30

○A10.54.141.2482017-03-22 → 2017-03-22 · 3 obs

● 2017-03-22 03:16:14
○ 2020-02-24 09:36:32
○ 2026-03-26 04:46:30

○A10.54.141.2522017-03-22 → 2017-03-22 · 3 obs

● 2017-03-22 03:16:14
○ 2020-02-24 09:36:32
○ 2026-03-26 04:46:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
comcast.net	dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net...	-

✅ Authoritative Response

Server:68.87.85.132

NS records: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comcast.net (unsigned zone)

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`10.144.55.114, 10.144.55.115...`
NS	5	`dns101.comcast.net, dns102.comcast.net...`
SOA	1	`dns101.comcast.net dnsadmin.comcast.net`

Analysis

Hierarchy

cloud.comcast.net is a parent of app.cloud.comcast.net and apps.cloud.comcast.net.

IP Addresses

cloud.comcast.net resolves to three IP numbers: 10.144.55.113, 10.144.55.114 and 10.144.55.115.

Other host names, for example auto.comcast.net, share IP numbers with cloud.comcast.net.

Name Servers

cloud.comcast.net is delegated to five name servers: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net and dns105.comcast.net.

cloud.comcast.net at least partially shares name servers with other domains, including 116.63.98.in-addr.arpa, 94.20.24.in-addr.arpa, 10.136.76.in-addr.arpa, 114.142.76.in-addr.arpa and re(0x666170)p.comcast.com.

Host names with two IP numbers:

dns101.comcast.net points to: 2001:558:fe23:8:69:252:250:103 and 69.252.250.103.

dns102.comcast.net points to: 2001:558:1004:7:68:87:85:132 and 68.87.85.132.

dns103.comcast.net points to: 2001:558:1014:c:68:87:76:228 and 68.87.76.228.

dns104.comcast.net points to: 2001:558:100a:5:68:87:68:244 and 68.87.68.244.

dns105.comcast.net points to: 2001:558:100e:5:68:87:72:244 and 68.87.72.244.

cloud.comcast.net - robtex.com