de.comcast.net - robtex.com

de.comcast.net

DNSSEC⚠️ Not signed
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 2019-04-13 #63

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=2008258903
WOT: SAFE (31/100)
rank #1813 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: #240
comcast.net - Tranco Rank (30d: ↓-16)215220230240250260262Feb 22Mar 3Mar 12Mar 21Mar 30Apr 1Rank#224#240

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

univde01.de.comcast.net
hsd1.de.comcast.net

Same first word

de.site
de.photos
de.digital
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de.s3.eu-central-1.amazonaws.com
de.events
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de.s3-website-sa-east-1.amazonaws.com
de.sv
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de.tips
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Similar names

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ed.center
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ed.cn
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ed.com.ua

DNS History

5 records (5 active, 0 former)

2020202120222023202420252026NSdns101.comcast.netdns102.comcast.netdns103.comcast.netdns104.comcast.netdns105.comcast.net
●NSdns101.comcast.net2019-09-05 → 2026-04-03 · 2 obs
● 2019-09-05 03:32:32
● 2026-04-03 08:59:02
●NSdns102.comcast.net2019-09-05 → 2026-04-03 · 2 obs
● 2019-09-05 03:32:32
● 2026-04-03 08:59:02
●NSdns103.comcast.net2019-09-05 → 2026-04-03 · 2 obs
● 2019-09-05 03:32:32
● 2026-04-03 08:59:02
●NSdns104.comcast.net2019-09-05 → 2026-04-03 · 2 obs
● 2019-09-05 03:32:32
● 2026-04-03 08:59:02
●NSdns105.comcast.net2019-09-05 → 2026-04-03 · 2 obs
● 2019-09-05 03:32:32
● 2026-04-03 08:59:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
comcast.netdns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net...10 records

✅ Authoritative Response

Server:69.252.250.103

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: 221ms | Queries: -

📄 Records

TypeCountSample Data
NS5dns102.comcast.net, dns103.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

Hierarchy

de.comcast.net is a parent of univde01.de.comcast.net and hsd1.de.comcast.net.

Name Servers

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

de.comcast.net at least partially shares name servers with other domains, including 215.62.68.in-addr.arpa, 98.99.76.in-addr.arpa, 55.144.21.24.in-addr.arpa, 89.248.98.in-addr.arpa and 129.163.73.in-addr.arpa.

These name servers are commonly used with mmhm.comcastbusiness.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.