`dns.comcast.net`

DNSSEC	⚠️ Not signed
A	2001:558:feed:dc:96:99:227:255^{🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
A	96.99.227.255^{🇺🇸 COMCAST-IBONE96.96.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
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`hostmaster@comcast.com 2019-04-11 #8

`comcast.net`

	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	`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	`google-site-verification=gxiEHT6grgMJE52lhl4OYIt5Q3XpA5qt-8Okrxq-mcE`
	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`
	SOA	`dns101.comcast.net`domregtech@comcastonline.com serial=2008258892

WOT: SAFE (85/100)
rank #1822 globally
rank #45 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: #249

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.

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DNS History

14 records (7 active, 7 former)

●NSdns101.comcast.net2019-09-03 → 2026-03-27 · 2 obs

● 2019-09-03 19:31:20
● 2026-03-27 20:13:50

●NSdns102.comcast.net2019-09-03 → 2026-03-27 · 2 obs

● 2019-09-03 19:31:20
● 2026-03-27 20:13:50

●NSdns103.comcast.net2019-09-03 → 2026-03-27 · 2 obs

● 2019-09-03 19:31:20
● 2026-03-27 20:13:50

●NSdns104.comcast.net2019-09-03 → 2026-03-27 · 2 obs

● 2019-09-03 19:31:20
● 2026-03-27 20:13:50

●NSdns105.comcast.net2019-09-03 → 2026-03-27 · 2 obs

● 2019-09-03 19:31:20
● 2026-03-27 20:13:50

○A2001:558:fc00:100:f816:3eff:fea3:1f572015-06-24 → 2016-04-21 · 4 obs

● 2015-06-24 04:11:28
● 2016-04-21 16:32:38
○ 2018-07-24 04:39:00
○ 2026-03-27 20:13:50

○A2001:558:fc00:200:f816:3eff:fef9:b9542015-06-24 → 2016-01-24 · 4 obs

● 2015-06-24 04:11:28
● 2016-01-24 06:23:44
○ 2016-01-28 18:05:44
○ 2026-03-27 20:13:50

○A2001:558:feed:1:69:252:80:752018-07-24 → 2019-12-03 · 5 obs

○ 2016-04-21 16:32:38
● 2018-07-24 04:39:00
● 2019-12-03 19:53:50
○ 2026-02-15 18:34:06
○ 2026-03-27 20:13:50

●A2001:558:feed:dc:96:99:227:2552026-02-15 → 2026-03-27 · 3 obs

○ 2019-12-03 19:53:50
● 2026-02-15 18:34:06
● 2026-03-27 20:13:50

○A69.252.80.752018-07-24 → 2019-12-03 · 5 obs

○ 2016-04-21 16:32:38
● 2018-07-24 04:39:00
● 2019-12-03 19:53:50
○ 2026-02-15 18:34:06
○ 2026-03-27 20:13:50

○A96.119.1.2352015-06-24 → 2016-01-28 · 4 obs

● 2015-06-24 04:11:28
● 2016-01-28 18:05:44
○ 2016-04-21 16:32:38
○ 2026-03-27 20:13:50

○A96.119.4.2372015-06-24 → 2016-04-21 · 7 obs

● 2015-06-24 04:11:28
● 2015-11-08 04:19:08
○ 2016-01-24 06:23:44
○ 2016-01-28 18:05:44
● 2016-04-21 16:32:38
○ 2018-07-24 04:39:00
○ 2026-03-27 20:13:50

●A96.99.227.2552026-02-15 → 2026-03-27 · 3 obs

○ 2019-12-03 19:53:50
● 2026-02-15 18:34:06
● 2026-03-27 20:13:50

○CNAMEdns.g.comcast.net2015-06-24 → 2016-04-21 · 4 obs

● 2015-06-24 04:11:28
● 2016-04-21 16:32:38
○ 2018-07-24 04:39:00
○ 2026-03-27 20:13:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	g.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
comcast.net	dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net...	10 records

✅ Authoritative Response

Server:68.87.68.244

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 358ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`96.99.227.255`
AAAA	1	`2001:558:feed:dc:96:99:227:255`
NS	5	`dns101.comcast.net, dns102.comcast.net...`
SOA	1	`dns101.comcast.net hostmaster.comcast.co`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (dns101.comcast.net, dns101.comcast.net, dns102.comcast.net...)

Analysis

IP Addresses

dns.comcast.net points to two IP numbers: 2001:558:feed:dc:96:99:227:255 and 96.99.227.255.

Other host names such as gcrs.info, activaterewards.co, mobile.comcast.com, tvwelcomeguide.xfinity.com and advertisewithcomcast.com share IP numbers with dns.comcast.net.

Name Servers

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

At least part of the name servers for dns.comcast.net are shared with other domains, for instance middlebury.vt.boston.comcast.net, 158.181.67.in-addr.arpa, 192.19.76.in-addr.arpa, 248.170.67.in-addr.arpa and marathon.fl.pompano.comcast.net.

These name servers are commonly used with ns1.comcastbusiness.net, ns2.comcastbusiness.net, ns3.comcastbusiness.net and ns.fandangotopten.net.

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.

dns.comcast.net - robtex.com

dns.comcast.net

comcast.net

Comcast Corporation

Key Services & Brands

Notable Acquisitions

DNS Infrastructure

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`dns.comcast.net`

`comcast.net`