sys.comcast.net - dns.ninja
sys.comcast.net
| DNSSEC | β οΈ Not signed | ||||||
| NS | dns101.comcast.net β β οΈ Not in parent delegation | ||||||
| A | 2001:558:fe23:8:69:252:250:103πΊπΈ AS332872001:558:fe23::/48 | ||||||
| PTR | dns101.comcast.net | ||||||
| A | 69.252.250.103πΊπΈ 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 β οΈ Not in parent delegation | ||||||
| A | 2001:558:1004:7:68:87:85:132πΊπΈ COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns102.comcast.net | ||||||
| A | 68.87.85.132πΊπΈ 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 β οΈ Not in parent delegation | ||||||
| A | 2001:558:1014:c:68:87:76:228πΊπΈ COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns103.comcast.net | ||||||
| A | 68.87.76.228πΊπΈ 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 β οΈ Not in parent delegation | ||||||
| A | 2001:558:100a:5:68:87:68:244πΊπΈ AS77252001:558:100a::/48 | ||||||
| PTR | dns104.comcast.net | ||||||
| A | 68.87.68.244πΊπΈ 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 β οΈ Not in parent delegation | ||||||
| A | 2001:558:100e:5:68:87:72:244πΊπΈ COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns105.comcast.net | ||||||
| A | 68.87.72.244πΊπΈ COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns105.comcast.net | ||||||
| MX | tktsapp-ch2-1p.cable.comcast.com β | ||||||
| SOA | dns101.comcast.netdnsadmin@comcast.net serial=1015978 | ||||||
comcast.net
| DNSSEC | β οΈ Not signed | ||||||
| A | 2001:558:feed:dc:96:99:240:167πΊπΈ COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| A | 96.99.240.167πΊπΈ COMCAST-IBONE96.96.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| NS | dns101.comcast.net β | ||||||
| NS | dns102.comcast.net | ||||||
| NS | dns103.comcast.net | ||||||
| NS | dns104.comcast.net | ||||||
| NS | dns105.comcast.net | ||||||
| MX | mx1.mxge.comcast.net β | ||||||
| MX | mx2.mxge.comcast.net β | ||||||
| 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 | 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 | ||||||
| TXT | google-site-verification=gxiEHT6grgMJE52lhl4OYIt5Q3XpA5qt-8Okrxq-mcE | ||||||
| TXT | yahoo-verification-key=t0ftaXXV8MB1pon3jzauB3Fz5ezusB2l9jy3GVNPQRw= | ||||||
| SOA | dns101.comcast.netdomregtech@comcastonline.com serial=2008265347 | ||||||
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.comβ main corporate website
WOT: SAFE (92/100)
π Tranco rank: #210
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)
βNSdns101.comcast.net2015-07-07 β 2026-08-14 Β· 2 obs
β 2026-08-14 09:35:10
βNSdns102.comcast.net2015-10-03 β 2026-08-14 Β· 3 obs
β 2015-10-03 09:25:46
β 2026-08-14 09:35:10
βNSdns103.comcast.net2015-10-03 β 2026-08-14 Β· 3 obs
β 2015-10-03 09:25:46
β 2026-08-14 09:35:10
βNSdns104.comcast.net2015-10-03 β 2026-08-14 Β· 3 obs
β 2015-10-03 09:25:46
β 2026-08-14 09:35:10
βNSdns105.comcast.net2015-10-03 β 2026-08-14 Β· 3 obs
β 2015-10-03 09:25:46
β 2026-08-14 09:35:10
βMXtktsapp-ch2-1p.cable.comcast.com2015-07-07 β 2026-08-14 Β· 2 obs
β 2026-08-14 09:35:10
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| comcast.net | dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net... | 10 records |
β Authoritative Response
Server:68.87.85.132
NS records: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net
π DNSSEC Status
π Secure (DNSSEC validated)
Chain of trust verified from root to domain
β±οΈ Timing
Total: 371ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | dns102.comcast.net, dns103.comcast.net... |
| MX | 1 | tktsapp-ch2-1p.cable.comcast.com (pri: 1 |
| SOA | 1 | dns101.comcast.net dnsadmin.comcast.net |
π 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.