`thor.comcast.com`

DNSSEC	⚠️ Not signed
NS	`ns-1133.awsdns-13.org` ⭐
		A	2600:9000:5304:6d00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1133.awsdns-13.org`
		A	205.251.196.109^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1133.awsdns-13.org`
NS	`ns-2006.awsdns-58.co.uk`
		A	2600:9000:5307:d600::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2006.awsdns-58.co.uk`
		A	205.251.199.214^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2006.awsdns-58.co.uk`
NS	`ns-290.awsdns-36.com`
		A	2600:9000:5301:2200::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-290.awsdns-36.com`
		A	205.251.193.34^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-290.awsdns-36.com`
NS	`ns-628.awsdns-14.net`
		A	2600:9000:5302:7400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-628.awsdns-14.net`
		A	205.251.194.116^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-628.awsdns-14.net`
SOA	`ns-1133.awsdns-13.org`awsdns-hostmaster@amazon.com serial=1

`comcast.com`

	DNSSEC	⚠️ Not signed
	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	`mxa-00143702.gslb.pphosted.com` ⭐
	MX	`mxb-00143702.gslb.pphosted.com` ⭐
	TXT	`1password-site-verification=3BCX5ACVKBD73ADOMJ5XWM7JJ4`
	TXT	`airtable-verification=d9386eea22fce5ee0d01209512aa7706`
	TXT	`pendo-domain-verification=XM4f85DQvo0VLA8QzSh-M0bjGEs`
	TXT	`eYZbzQ91r/pvvnV/FdrbHyREx7EaAwWLeNYk/EMQrJiGpNCsX4tJcWlHJDFzifTDbfnlhI6koqrm0...`
	TXT	`atlassian-domain-verification=C34TI2IiJOrziv9uyV2Yva6ZoRRCSZPjqc15wZASQfypHgN...`
	TXT	`al0yn+08kj3q/n1E+s02ttnE5Fd9gIjwjjbn4mCggizGLJepyQ7cMxRTgw4RxYVoZ965qJIHfnH09...`
	TXT	`adobe-idp-site-verification=8c9c59d410322404f7d75a0b3c770ce7b87cf141707b58224...`
	TXT	`google-site-verification=XdqEZdbhoNgKou31_aOrVN98TKJqxC0Ve3hNPBmSM7M`
	TXT	`atlassian-domain-verification=n+yfnu4Su0J6uQkiatjL+lTNjzOZrPUGOpVn+HiHPwwDgMi...`
	TXT	`docusign=8fb076b3-05e6-41c4-a6ee-6f6227be4b11`
	TXT	`docusign=0ead29a6-1c9c-4b0c-865a-85a5a127e776`
	TXT	`smartsheet-site-validation=x1Hv84--jB9jvo7M0QQviDXPy_81zS_t`
	TXT	`teamviewer-sso-verification=4a24e296450940f48ac4faba9a172fc0`
	TXT	`facebook-domain-verification=f1zw72g52fjiesmld6xtuj467pl7f5`
	TXT	`mongodb-site-verification=ucqyDX29txaTTi3K4euWVtieT0zCXRrg`
	TXT	`apple-domain-verification=VNdTgwsxrDHE4eJM`
	TXT	`apple-domain-verification=XRKeuEf5cWtc2oDC`
	TXT	`aws-domain-verification=c326827a-0d9a-4061-a35d-1ea2a8afc6f5`
	TXT	`intersight=3c7c5c60389a6b81830ef696f8761bc121ecf3f10d7cf8eef08f66af90451a8f`
	TXT	`atlassian-domain-verification=J+tB36tc4CyLsnqZ/MTW5tI3SZ+IOFAGTWEgMbo+FLRl+gv...`
	TXT	`paloaltonetworks-site-verification=b6c919476067691db128e9375b002b801db8ab2a1d...`
	TXT	`atlassian-domain-verification=xhDGO0SgEPXcuSpqqvu7kAzZyKrM2pat53VPEt5XvKGHvOq...`
	TXT	`airtable-verification=31e52307c66bf62d16697b7f0439d35e`
	TXT	`amazonses:RYuDm+T3xJC87y0v4Cj4JlDm9d5enVzIZcr/arCF7J0=`
	TXT	`openai-domain-verification=dv-z3jR2RoYFRLipmXTqN9mx5hU`
	TXT	`docker-verification=f79a60d9-69ec-4c26-8d54-0165c0943613`
	TXT	`paloaltonetworks-site-verification=b51e185f274a13eccff6f0e001549d4a2f08fc11c5...`
	TXT	`v=spf1 ip4:148.163.145.77 ip4:148.163.141.77 ip4:162.150.44.71 ip4:96.114.158...`
	TXT	`airtable-verification=709aa8e31ed274aa8abc0f3a9286141f`
	TXT	`autodesk-domain-verification=9qi_qkHrCGa8onVbz33s`
	TXT	`browserstack-domain-verification=e23475d1-ef64-4cf7-bf92-7620239fe86a`
	TXT	`airtable-verification=644c0c83b6807a2a10c20d4cf57505d7`
	SOA	`dns101.comcast.net`domregtech@comcastonline.com serial=2009104485

WOT: SAFE (88/100)
rank #4878 globally
rank #2442 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #647

Comcast Corporation

Comcast Corporation is one of the largest telecommunications and media conglomerates in the United States. Founded in 1963 in Tupelo, Mississippi, it has grown into a global company headquartered in Philadelphia, Pennsylvania. The company operates primarily through its Xfinity brand for consumer services and NBCUniversal for media and entertainment.

Key Services

Internet: High-speed broadband through Xfinity, one of the largest ISPs in the US
Television: Cable TV and streaming services including Peacock
Phone: VoIP and mobile phone services
Business Services: Enterprise networking, data centers, and managed services
Media & Entertainment: NBCUniversal studios, theme parks, and broadcast networks

Technical Infrastructure

The domain operates its own authoritative DNS infrastructure with five nameservers (dns101-105.comcast.net), all hosted on Comcast's backbone network with full IPv4 and IPv6 support. Email is handled through Proofpoint's cloud security platform (pphosted.com). The domain is DNSSEC-signed and maintains extensive TXT records for third-party service verification including AWS, Google, Docker, and Adobe integrations.

Network

The primary domain resolves to Comcast's IBONE (Internet Backbone) network. As one of the largest Tier 1 network operators, Comcast operates AS7922 (COMCAST-7922) which is one of the most significant autonomous systems in the global internet routing table.

Subdomains

cdn.thor.comcast.com

Same first word

thor.mx

thor.org

thor.thruhere.net

thor.fitness

thor.vs.mythic-beasts.com

thor.works

thor.de

thor.sk

thor.no

thor.productions

thor.uk.com

thor.dk

thor.nl

thor.re

thor.insure

thor.com.br

thor.guru

thor.coffee

thor.se

thor.pro

thor.info

thor.co.za

thor.at

thor.in

thor.lt

thor.biz

thor.cat

thor.ovh

thor.com.tr

thor.energy

thor.hu

thor.net.au

thor.tv

thor.fo

thor.be

thor.fr

thor.cc

thor.website

thor.support

thor.family

thor.jp

thor.su

thor.financial

thor.asia

thor.industries

thor.tools

thor.co

thor.nu

thor.to.it

thor.net

thor.cz

thor.nh-serv.co.uk

thor.co.kr

thor.events

thor.bg

thor.ru

thor.gallery

thor.photography

thor.com

thor.capital

thor.nyc

thor.me

thor.pl

thor.city

thor.ca

thor.pe

thor.news

thor.is

thor.ch

thor.it

thor.pt

thor.edu

Similar names

roth.mobi

roth.red

orth.it

rhot.de

orth.biz

hort.in

roth.com.tw

roth.com

ohrt.de

orth.ca

hort.ca

hort.it

roth.ca

hort.cz

roth.biz

rtoh.com

hort.info

tohr.org

roth.co

tohr.com

hort.ws

hrot.info

thro.at

rtoh.cn

ohrt.name

orth.net

hort.cn

hrto.com

ohrt.org

roth.endofinternet.net

hort.pro

hort.es

rtho.ch

roth.fr

rhot.com

hrto.net

roth.gmbh

hort.com.au

torh.net

roth.name

roth.us

roth.co.uk

hotr.org

hort.org.uk

hort.ru

thro.de

torh.de

troh.ru

roth.partners

hort.com.br

thro.me

hotr.org.uk

rhot.cn

rhot.ru

trho.eu

roth.org

orth.com.br

roth.tv

orth.or.jp

hrot.org

hort.fr

ohrt.nu

roth.eu

roth.ag

torh.ru

orth.dk

roth.info

thro.bz

roth.cm

roth.bz

DNS History

4 records (4 active, 0 former)

●NSns-1133.awsdns-13.org2026-02-27 → 2026-03-23 · 2 obs

● 2026-02-27 01:44:18
● 2026-03-23 08:46:52

●NSns-2006.awsdns-58.co.uk2026-02-27 → 2026-03-23 · 2 obs

● 2026-02-27 01:44:18
● 2026-03-23 08:46:52

●NSns-290.awsdns-36.com2026-02-27 → 2026-03-23 · 2 obs

● 2026-02-27 01:44:18
● 2026-03-23 08:46:52

●NSns-628.awsdns-14.net2026-02-27 → 2026-03-23 · 2 obs

● 2026-02-27 01:44:18
● 2026-03-23 08:46:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
comcast.com	dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net...	-
thor.comcast.com	ns-628.awsdns-14.net, ns-1133.awsdns-13.org, ns-290.awsdns-36.com, ns-2006.awsdns-58.co.uk	-

✅ Authoritative Response

Server:205.251.194.116

NS records: ns-628.awsdns-14.net, ns-1133.awsdns-13.org, ns-290.awsdns-36.com, ns-2006.awsdns-58.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thor.comcast.com (unsigned zone)

⏱️ Timing

Total: 2068ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1133.awsdns-13.org, ns-2006.awsdns-58.co.uk...`
SOA	1	`ns-1133.awsdns-13.org awsdns-hostmaster.`

Analysis

Hierarchy

The parent of cdn.thor.comcast.com is thor.comcast.com.

Name Servers

thor.comcast.com is delegated to four name servers: ns-290.awsdns-36.com, ns-628.awsdns-14.net, ns-1133.awsdns-13.org and ns-2006.awsdns-58.co.uk.

thor.comcast.com shares name servers with other domains at least partially, for instance oppsync.io, 113.250.178.in-addr.arpa, gosafely.com, sentaramjhmaternity.com and zoodubs.training.

Host names with two IP numbers:

ns-290.awsdns-36.com resolves to 2600:9000:5301:2200::1 and 205.251.193.34.

ns-628.awsdns-14.net resolves to 2600:9000:5302:7400::1 and 205.251.194.116.

ns-1133.awsdns-13.org resolves to 2600:9000:5304:6d00::1 and 205.251.196.109.

ns-2006.awsdns-58.co.uk resolves to 2600:9000:5307:d600::1 and 205.251.199.214.

thor.comcast.com - robtex.com

thor.comcast.com

comcast.com

Comcast Corporation

Key Services

Technical Infrastructure

Network

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

Name Servers

`thor.comcast.com`

`comcast.com`