cmc-comcast.com - robtex.com

cmc-comcast.com

DNSSEC🔒 Signed (DS record present)
A12.41.71.233🇺🇸 AS701812.0.0.0/9 12/8 lower half
PTRcmc-comcast.com
PTRndtc-att.com
PTRcmc-comcast.net
PTRcmc-ext-web-prod-vip.comcastmediacenter.com
NSns.cmc-comcast.com ⭐
NSdns101.comcast.net
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
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
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
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
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
SOAns.cmc-comcast.comdnsmaster@comcastonline.com serial=2008073602

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774874797

PTR for

233.71.41.12.in-addr.arpa

Subdomains

globalnat172.cmc-comcast.com
digi10.cmc-comcast.com
digi12.cmc-comcast.com
digi8.cmc-comcast.com
digi9.cmc-comcast.com
digi3.cmc-comcast.com
digi2.cmc-comcast.com
digi5.cmc-comcast.com
digi1.cmc-comcast.com
digi11.cmc-comcast.com
digi4.cmc-comcast.com
digi6.cmc-comcast.com
digi7.cmc-comcast.com

Same first word

cmc-comcast.com
cmc-comcast.net

DNS History

9 records (7 active, 2 former)

2008201020122014201620182020202220242026NSdns101.comcast.netdns102.comcast.netdns103.comcast.netdns104.comcast.netdns105.comcast.netns.cmc-comcast.comns-secondary.comcastmediacenter.comns.comcastmediacenter.comA12.41.71.233
●NSdns101.comcast.net2015-06-24 → 2026-03-30 · 3 obs
○ 2007-11-18 03:19:34
● 2015-06-24 19:40:06
● 2026-03-30 12:48:42
●NSdns102.comcast.net2015-06-24 → 2026-03-30 · 3 obs
○ 2007-11-18 03:19:34
● 2015-06-24 19:40:06
● 2026-03-30 12:48:42
●NSdns103.comcast.net2015-06-24 → 2026-03-30 · 3 obs
○ 2007-11-18 03:19:34
● 2015-06-24 19:40:06
● 2026-03-30 12:48:42
●NSdns104.comcast.net2015-06-24 → 2026-03-30 · 3 obs
○ 2007-11-18 03:19:34
● 2015-06-24 19:40:06
● 2026-03-30 12:48:42
●NSdns105.comcast.net2015-06-24 → 2026-03-30 · 3 obs
○ 2007-11-18 03:19:34
● 2015-06-24 19:40:06
● 2026-03-30 12:48:42
○NSns-secondary.comcastmediacenter.com2007-11-18 → 2007-11-18 · 3 obs
● 2007-11-18 03:19:34
○ 2015-06-24 19:40:06
○ 2026-03-30 12:48:42
●NSns.cmc-comcast.com2015-06-24 → 2026-03-30 · 3 obs
○ 2007-11-18 03:19:34
● 2015-06-24 19:40:06
● 2026-03-30 12:48:42
○NSns.comcastmediacenter.com2007-11-18 → 2007-11-18 · 3 obs
● 2007-11-18 03:19:34
○ 2015-06-24 19:40:06
○ 2026-03-30 12:48:42
●A12.41.71.2332007-11-18 → 2026-03-30 · 2 obs
● 2007-11-18 03:19:34
● 2026-03-30 12:48:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cmc-comcast.comdns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net...-

✅ 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: 445ms | Queries: -

📄 Records

TypeCountSample Data
A112.41.71.233
NS5dns102.comcast.net, dns103.comcast.net...
SOA1ns.cmc-comcast.com dnsmaster.comcastonli

Analysis

Hierarchy

cmc-comcast.com is the parent of globalnat172.cmc-comcast.com, digi10.cmc-comcast.com, digi12.cmc-comcast.com, digi8.cmc-comcast.com, digi9.cmc-comcast.com and a few other host names.

IP Addresses

cmc-comcast.com resolves to one IP number: 12.41.71.233.

Other host names, for instance cmc-ext-web-prod-vip.comcastmediacenter.com, ndtc-att.com and cmc-comcast.net share IP numbers with cmc-comcast.com.

Name Servers

cmc-comcast.com is delegated to six name servers: ns.cmc-comcast.com, dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net and dns105.comcast.net.

cmc-comcast.com at least partially shares name servers with other domains, for instance 37.26.76.in-addr.arpa, 30.98.24.in-addr.arpa, 99.181.69.in-addr.arpa, 160.126.24.in-addr.arpa and 135.223.50.in-addr.arpa.

These name servers are commonly used alongside dns101.comcast.net.ccs-chi.comcast.net and ns.feldfamilyfunsweeps.com.

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