auto.comcast.net - robtex.com

auto.comcast.net

DNSSEC⚠️ Not signed
A10.144.55.113
A10.144.55.114
A10.144.55.115
A10.144.55.116
A10.144.55.117
A10.144.55.118
A10.144.55.119
A10.144.55.120
A10.144.55.121
A10.144.55.122
A10.144.55.123
A10.144.55.124
A10.144.55.125
A10.144.55.126
NSdns101.comcast.net ⭐ ⚠️ Not in parent delegation
A2001:558:fe23:8:69:252:250:103🇺🇸 AS332872001:558:fe23::/48
PTRdns101.comcast.net
A69.252.250.103🇺🇸 COMCAST-IBONE69.240.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns101.comcast.net
NSdns102.comcast.net ⚠️ Not in parent delegation
A2001:558:1004:7:68:87:85:132🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns102.comcast.net
A68.87.85.132🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns102.comcast.net
NSdns103.comcast.net ⚠️ Not in parent delegation
A2001:558:1014:c:68:87:76:228🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns103.comcast.net
A68.87.76.228🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns103.comcast.net
NSdns104.comcast.net ⚠️ Not in parent delegation
A2001:558:100a:5:68:87:68:244🇺🇸 AS77252001:558:100a::/48
PTRdns104.comcast.net
A68.87.68.244🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns104.comcast.net
NSdns105.comcast.net ⚠️ Not in parent delegation
A2001:558:100e:5:68:87:72:244🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns105.comcast.net
A68.87.72.244🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns105.comcast.net
SOAdns101.comcast.nethostmaster@comcast.com serial=263

comcast.net

DNSSEC⚠️ Not signed
A96.99.227.0🇺🇸 COMCAST-IBONE96.96.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
NSdns101.comcast.net ⭐
NSdns102.comcast.net
NSdns103.comcast.net
NSdns104.comcast.net
NSdns105.comcast.net
MXmx1.mxge.comcast.net ⭐
MXmx2.mxge.comcast.net ⭐
MXmx1a1.comcast.net(50)
MXmx1c1.comcast.net(50)
MXmx1h1.comcast.net(50)
MXmx2a1.comcast.net(50)
MXmx2c1.comcast.net(50)
MXmx2h1.comcast.net(50)
TXTv=spf1 ip4:96.103.146.48/28 ip4:96.102.19.32/28 ip4:96.102.200.0/28 include:_...
TXTgoogle-site-verification=g7KA0NF2z-1XIBz7vWW88zvVYlJeiG56UPOYHF2tqY0
TXTgoogle-site-verification=gxiEHT6grgMJE52lhl4OYIt5Q3XpA5qt-8Okrxq-mcE
TXTyahoo-verification-key=t0ftaXXV8MB1pon3jzauB3Fz5ezusB2l9jy3GVNPQRw=
SOAdns101.comcast.netdomregtech@comcastonline.com serial=2008258881
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.net - Tranco Rank (30d: ↓-41)210220230240250260263Feb 15Feb 24Mar 5Mar 14Mar 23Rank#215#256

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

19 records (19 active, 0 former)

NSdns101.comcast.netdns102.comcast.netdns103.comcast.netdns104.comcast.netdns105.comcast.netA10.144.55.11310.144.55.11410.144.55.11510.144.55.11610.144.55.11710.144.55.11810.144.55.11910.144.55.12010.144.55.12110.144.55.12210.144.55.12310.144.55.12410.144.55.12510.144.55.126
●NSdns101.comcast.net2026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●NSdns102.comcast.net2026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●NSdns103.comcast.net2026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●NSdns104.comcast.net2026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●NSdns105.comcast.net2026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1132026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1142026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1152026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1162026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1172026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1182026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1192026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1202026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1212026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1222026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1232026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1242026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1252026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30
●A10.144.55.1262026-02-18 → 2026-03-26 · 2 obs
● 2026-02-18 23:25:26
● 2026-03-26 03:03:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...-
comcast.netdns101.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: 311ms | Queries: -

📄 Records

TypeCountSample Data
A1410.144.55.118, 10.144.55.123...
NS5dns105.comcast.net, dns101.comcast.net...
SOA1dns101.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

auto.comcast.net points to fourteen IP numbers: 10.144.55.113, 10.144.55.114, 10.144.55.115, 10.144.55.116, 10.144.55.117, 10.144.55.118, 10.144.55.119, 10.144.55.120, 10.144.55.121, 10.144.55.122, 10.144.55.123, 10.144.55.124, 10.144.55.125 and 10.144.55.126.

Other host names share IP numbers with auto.comcast.net; for instance cloud.comcast.net.

Name Servers

auto.comcast.net delegates to five name servers: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net and dns105.comcast.net.

auto.comcast.net shares some name servers with other domains, for example 230.60.73.in-addr.arpa, 193.71.in-addr.arpa, 237.199.73.in-addr.arpa, 102.50.68.in-addr.arpa and 5.124.73.in-addr.arpa.

These name servers are commonly used with the name servers ns.fandangocommand.net.

Host names with two IPs:

Host dns101.comcast.net has IPs 2001:558:fe23:8:69:252:250:103 and 69.252.250.103.

Host dns102.comcast.net has IPs 2001:558:1004:7:68:87:85:132 and 68.87.85.132.

Host dns103.comcast.net has IPs 2001:558:1014:c:68:87:76:228 and 68.87.76.228.

Host dns104.comcast.net has IPs 2001:558:100a:5:68:87:68:244 and 68.87.68.244.

Host dns105.comcast.net has IPs 2001:558:100e:5:68:87:72:244 and 68.87.72.244.