sys.comcast.net - dns.ninja

sys.comcast.net

DNSSEC⚠️ Not signed
NSdns101.comcast.net ⭐ ⚠️ Not in parent delegation
A2001:558:fe23:8:69:252:250:103πŸ‡ΊπŸ‡Έ AS332872001:558:fe23::/48
PTRdns101.comcast.net
A69.252.250.103πŸ‡ΊπŸ‡Έ 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
A2001:558:1004:7:68:87:85:132πŸ‡ΊπŸ‡Έ COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns102.comcast.net
A68.87.85.132πŸ‡ΊπŸ‡Έ 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:68:87:76:228πŸ‡ΊπŸ‡Έ COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns103.comcast.net
A68.87.76.228πŸ‡ΊπŸ‡Έ 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:5:68:87:68:244πŸ‡ΊπŸ‡Έ AS77252001:558:100a::/48
PTRdns104.comcast.net
A68.87.68.244πŸ‡ΊπŸ‡Έ 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:5:68:87:72:244πŸ‡ΊπŸ‡Έ COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns105.comcast.net
A68.87.72.244πŸ‡ΊπŸ‡Έ COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns105.comcast.net
MXtktsapp-ch2-1p.cable.comcast.com ⭐
SOAdns101.comcast.netdnsadmin@comcast.net serial=1015978

comcast.net

DNSSEC⚠️ Not signed
A2001:558:feed:dc:96:99:240:167πŸ‡ΊπŸ‡Έ COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
A96.99.240.167πŸ‡ΊπŸ‡Έ 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=2008265347
WOT: SAFE (92/100)
rank #1888 globally
rank #45 in the tld

comcast.net

comcast.net is a domain used by Comcast for email addresses and related services for its broadband customers, operated by Comcast Cable Communications, LLC.

Key facts

  • Owner / operator: Comcast Cable Communications, LLC
  • TLD:.netβ€” gTLD
  • Primary purpose: email service for Comcast broadband customers
  • Status: active

Related domains

  • comcast.com– main corporate website
Semrush Rank:#510,525 Keywords:1,396 Traffic:2,743/mo
WOT: SAFE (92/100)
πŸ“ˆ Tranco rank: #210
comcast.net - Tranco Rank (30d: ↓-5)196200210220230240242Jul 5Jul 14Jul 23Aug 1Aug 10Aug 12Rank#208#213

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

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

20162017201820192020202120222023202420252026NSdns101.comcast.netdns102.comcast.netdns103.comcast.netdns104.comcast.netdns105.comcast.netMXtktsapp-ch2-1p.cable.comcast.com
●NSdns101.comcast.net2015-07-07 β†’ 2026-08-14 Β· 2 obs
● 2015-07-07 21:08:58
● 2026-08-14 09:35:10
●NSdns102.comcast.net2015-10-03 β†’ 2026-08-14 Β· 3 obs
β—‹ 2015-07-07 21:08:58
● 2015-10-03 09:25:46
● 2026-08-14 09:35:10
●NSdns103.comcast.net2015-10-03 β†’ 2026-08-14 Β· 3 obs
β—‹ 2015-07-07 21:08:58
● 2015-10-03 09:25:46
● 2026-08-14 09:35:10
●NSdns104.comcast.net2015-10-03 β†’ 2026-08-14 Β· 3 obs
β—‹ 2015-07-07 21:08:58
● 2015-10-03 09:25:46
● 2026-08-14 09:35:10
●NSdns105.comcast.net2015-10-03 β†’ 2026-08-14 Β· 3 obs
β—‹ 2015-07-07 21:08:58
● 2015-10-03 09:25:46
● 2026-08-14 09:35:10
●MXtktsapp-ch2-1p.cable.comcast.com2015-07-07 β†’ 2026-08-14 Β· 2 obs
● 2015-07-07 21:08:58
● 2026-08-14 09:35:10

πŸ” DNS Trace

πŸ“‹ Delegation Chain

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

βœ… Authoritative Response

Server:68.87.85.132

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

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 371ms | Queries: -

πŸ“„ Records

TypeCountSample Data
NS5dns102.comcast.net, dns103.comcast.net...
MX1tktsapp-ch2-1p.cable.comcast.com (pri: 1
SOA1dns101.comcast.net dnsadmin.comcast.net

πŸ“Œ Glue Records Collected

Total: 10

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

Analysis

Hierarchy

sys.comcast.net serves as parent to at least uescb-ho-13-con.sys.comcast.net, resmon-ch2d-02c.sys.comcast.net, xrmdb37-ch2-a4p.sys.comcast.net, a-96-118-16-234.sys.comcast.net and access-photon-web-703551.sys.comcast.net β€” along with tens of thousands of other host names.

Name Servers

sys.comcast.net delegates to five name servers: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net and two others.

sys.comcast.net has at least partial name server overlap with other domains, such as 72.188.50.in-addr.arpa, ligionier.pa.pitt.comcast.net, 84.22.76.in-addr.arpa and two others.

These name servers tend to appear together with the name servers dns104.comcast.net, dns105.comcast.net and ns.versuscountry.net.

Host names that have two IP addresses:

The A records for dns101.comcast.net return 69.252.250.103 and 2001:558:fe23:8:69:252:250:103.

The A records for dns102.comcast.net return 68.87.85.132 and 2001:558:1004:7:68:87:85:132.

The A records for dns103.comcast.net return 68.87.76.228 and 2001:558:1014:c:68:87:76:228.

The A records for dns104.comcast.net return 68.87.68.244 and 2001:558:100a:5:68:87:68:244.

The A records for dns105.comcast.net return 68.87.72.244 and 2001:558:100e:5:68:87:72:244.

Mail Servers

The sole mail server for sys.comcast.net is tktsapp-ch2-1p.cable.comcast.com.