comcast.com - robtex.com
comcast.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 96.99.227.0🇺🇸 COMCAST-IBONE96.96.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns-upper-redirect.xfinity.com | ||||||
| NS | dns101.comcast.net ⭐ | ||||||
| A | 2001:558:fe23:8:69:252:250:103🇺🇸 AS332872001:558:fe23::/48 | ||||||
| PTR | dns101.comcast.net | ||||||
| A | 69.252.250.103🇺🇸 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 | ||||||
| A | 2001:558:1004:7:68:87:85:132🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns102.comcast.net | ||||||
| A | 68.87.85.132🇺🇸 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 | ||||||
| A | 2001:558:1014:c:68:87:76:228🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns103.comcast.net | ||||||
| A | 68.87.76.228🇺🇸 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 | ||||||
| A | 2001:558:100a:5:68:87:68:244🇺🇸 AS77252001:558:100a::/48 | ||||||
| PTR | dns104.comcast.net | ||||||
| A | 68.87.68.244🇺🇸 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 | ||||||
| A | 2001:558:100e:5:68:87:72:244🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns105.comcast.net | ||||||
| A | 68.87.72.244🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns105.comcast.net | ||||||
| MX | mxa-00143702.gslb.pphosted.com ⭐ | ||||||
| A | 148.163.141.77🇺🇸 Proofpoint148.163.141.0/24 Inc. | ||||||
| PTR | mx0b-00143702.pphosted.com | ||||||
| MX | mxb-00143702.gslb.pphosted.com ⭐ | ||||||
| A | 148.163.145.77🇺🇸 Proofpoint148.163.145.0/24 | ||||||
| PTR | mx0a-00143702.pphosted.com | ||||||
| TXT | apple-domain-verification=XRKeuEf5cWtc2oDC | ||||||
| TXT | aws-domain-verification=c326827a-0d9a-4061-a35d-1ea2a8afc6f5 | ||||||
| TXT | intersight=3c7c5c60389a6b81830ef696f8761bc121ecf3f10d7cf8eef08f66af90451a8f | ||||||
| TXT | atlassian-domain-verification=J+tB36tc4CyLsnqZ/MTW5tI3SZ+IOFAGTWEgMbo+FLRl+gv... | ||||||
| TXT | paloaltonetworks-site-verification=b6c919476067691db128e9375b002b801db8ab2a1d... | ||||||
| TXT | atlassian-domain-verification=xhDGO0SgEPXcuSpqqvu7kAzZyKrM2pat53VPEt5XvKGHvOq... | ||||||
| TXT | airtable-verification=31e52307c66bf62d16697b7f0439d35e | ||||||
| TXT | amazonses:RYuDm+T3xJC87y0v4Cj4JlDm9d5enVzIZcr/arCF7J0= | ||||||
| TXT | openai-domain-verification=dv-z3jR2RoYFRLipmXTqN9mx5hU | ||||||
| TXT | docker-verification=f79a60d9-69ec-4c26-8d54-0165c0943613 | ||||||
| TXT | paloaltonetworks-site-verification=b51e185f274a13eccff6f0e001549d4a2f08fc11c5... | ||||||
| TXT | v=spf1 ip4:148.163.145.77 ip4:148.163.141.77 ip4:162.150.44.71 ip4:96.114.158... | ||||||
| TXT | airtable-verification=709aa8e31ed274aa8abc0f3a9286141f | ||||||
| TXT | autodesk-domain-verification=9qi_qkHrCGa8onVbz33s | ||||||
| TXT | browserstack-domain-verification=e23475d1-ef64-4cf7-bf92-7620239fe86a | ||||||
| TXT | airtable-verification=644c0c83b6807a2a10c20d4cf57505d7 | ||||||
| TXT | 1password-site-verification=3BCX5ACVKBD73ADOMJ5XWM7JJ4 | ||||||
| TXT | airtable-verification=d9386eea22fce5ee0d01209512aa7706 | ||||||
| TXT | eYZbzQ91r/pvvnV/FdrbHyREx7EaAwWLeNYk/EMQrJiGpNCsX4tJcWlHJDFzifTDbfnlhI6koqrm0... | ||||||
| TXT | atlassian-domain-verification=C34TI2IiJOrziv9uyV2Yva6ZoRRCSZPjqc15wZASQfypHgN... | ||||||
| TXT | al0yn+08kj3q/n1E+s02ttnE5Fd9gIjwjjbn4mCggizGLJepyQ7cMxRTgw4RxYVoZ965qJIHfnH09... | ||||||
| TXT | adobe-idp-site-verification=8c9c59d410322404f7d75a0b3c770ce7b87cf141707b58224... | ||||||
| TXT | google-site-verification=XdqEZdbhoNgKou31_aOrVN98TKJqxC0Ve3hNPBmSM7M | ||||||
| TXT | atlassian-domain-verification=n+yfnu4Su0J6uQkiatjL+lTNjzOZrPUGOpVn+HiHPwwDgMi... | ||||||
| TXT | docusign=8fb076b3-05e6-41c4-a6ee-6f6227be4b11 | ||||||
| TXT | docusign=0ead29a6-1c9c-4b0c-865a-85a5a127e776 | ||||||
| TXT | smartsheet-site-validation=x1Hv84--jB9jvo7M0QQviDXPy_81zS_t | ||||||
| TXT | teamviewer-sso-verification=4a24e296450940f48ac4faba9a172fc0 | ||||||
| TXT | facebook-domain-verification=f1zw72g52fjiesmld6xtuj467pl7f5 | ||||||
| TXT | mongodb-site-verification=ucqyDX29txaTTi3K4euWVtieT0zCXRrg | ||||||
| TXT | apple-domain-verification=VNdTgwsxrDHE4eJM | ||||||
| SOA | dns101.comcast.netdomregtech@comcastonline.com serial=2009104342 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
rank #2463 in the tld
Semrush Rank:#2,960 Keywords:360,253 Traffic:864,458/mo
WOT: SAFE (88/100)
📈 Tranco rank: #583
Comcast Corporation
Comcast Corporation is one of the largest telecommunications and media conglomerates in the United States. Founded in 1963 in Tupelo, Mississippi, it has grown into a global company headquartered in Philadelphia, Pennsylvania. The company operates primarily through its Xfinity brand for consumer services and NBCUniversal for media and entertainment.
Key Services
- Internet: High-speed broadband through Xfinity, one of the largest ISPs in the US
- Television: Cable TV and streaming services including Peacock
- Phone: VoIP and mobile phone services
- Business Services: Enterprise networking, data centers, and managed services
- Media & Entertainment: NBCUniversal studios, theme parks, and broadcast networks
Technical Infrastructure
The domain operates its own authoritative DNS infrastructure with five nameservers (dns101-105.comcast.net), all hosted on Comcast's backbone network with full IPv4 and IPv6 support. Email is handled through Proofpoint's cloud security platform (pphosted.com). The domain is DNSSEC-signed and maintains extensive TXT records for third-party service verification including AWS, Google, Docker, and Adobe integrations.
Network
The primary domain resolves to Comcast's IBONE (Internet Backbone) network. As one of the largest Tier 1 network operators, Comcast operates AS7922 (COMCAST-7922) which is one of the most significant autonomous systems in the global internet routing table.
Up
activation3.comcast.com |
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washington.comcast.com |
labs.comcast.com |
ccsp.comcast.com |
email.comcast.com |
xcloud.comcast.com |
search5.comcast.com |
gslb4.comcast.com |
mysource.comcast.com |
gateway.comcast.com |
innovationfund.comcast.com |
smartoffice.comcast.com |
cb-es.comcast.com |
cable.comcast.com |
jabber.comcast.com |
corp-web-stg.comcast.com |
assets.comcast.com |
sip.comcast.com |
www.comcast.com |
businessengage.comcast.com |
docs-dx.comcast.com |
pdcint.comcast.com |
g.comcast.com |
sched1-preprod-ch2h-tb.comcast.com |
es.comcast.com |
autobahn.comcast.com |
cdn.comcast.com |
webmail.comcast.com |
search3.comcast.com |
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corporate-image-grid.comcast.com |
mobile.comcast.com |
pdcsip.comcast.com |
tvx.comcast.com |
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ppslinux-ps.comcast.com |
xfinitytrials.comcast.com |
gumby.comcast.com |
wifilogin.comcast.com |
xm.comcast.com |
business2.comcast.com |
search7.comcast.com |
pds-admin-prod.comcast.com |
forums.comcast.com |
gslb2.comcast.com |
rules.comcast.com |
corporate.comcast.com |
github.comcast.com |
dlpendpoint.comcast.com |
staticfs.comcast.com |
store.comcast.com |
vault.comcast.com |
qa.comcast.com |
powerdata.comcast.com |
tollbridge.comcast.com |
activate.comcast.com |
555-pcmm.comcast.com |
businesssvcs-int.comcast.com |
m.comcast.com |
mx1.comcast.com |
selfinstall4.comcast.com |
comet.comcast.com |
courtesy-admin.comcast.com |
staging.comcast.com |
cybersource.comcast.com |
sv.comcast.com |
soa.comcast.com |
smetrics.comcast.com |
referafriend.comcast.com |
mfa.comcast.com |
snp.comcast.com |
actservices.comcast.com |
mx4.comcast.com |
orderlab.comcast.com |
pabs.comcast.com |
tchosted.comcast.com |
quickmediashare.comcast.com |
awpool01.comcast.com |
mailrelay.comcast.com |
sd-cms.comcast.com |
businesshelp.comcast.com |
merger.comcast.com |
cxslinux-scheduler.comcast.com |
wwwb.comcast.com |
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cwa.comcast.com |
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salesx.comcast.com |
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legacywebmail.comcast.com |
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awrelaypool02.comcast.com |
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trialtech.comcast.com |
business.comcast.com |
pdcweb.comcast.com |
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Same first word
Similar names
DNS History
15 records (8 active, 7 former)
●NSdns101.comcast.net2015-09-04 → 2026-02-26 · 2 obs
● 2026-02-26 09:45:44
●NSdns102.comcast.net2015-09-04 → 2026-02-26 · 2 obs
● 2026-02-26 09:45:44
●NSdns103.comcast.net2015-09-04 → 2026-02-26 · 2 obs
● 2026-02-26 09:45:44
●NSdns104.comcast.net2015-09-04 → 2026-02-26 · 2 obs
● 2026-02-26 09:45:44
●NSdns105.comcast.net2015-09-04 → 2026-02-26 · 2 obs
● 2026-02-26 09:45:44
○MXmx10.comcast.com2015-09-04 → 2019-04-15 · 4 obs
● 2019-04-15 23:51:28
○ 2019-08-05 22:11:56
○ 2026-02-26 09:45:44
○MXmx20.comcast.com2015-09-04 → 2019-04-15 · 4 obs
● 2019-04-15 23:51:28
○ 2019-08-05 22:11:56
○ 2026-02-26 09:45:44
○MXmx30.comcast.com2015-09-04 → 2019-04-15 · 4 obs
● 2019-04-15 23:51:28
○ 2019-08-05 22:11:56
○ 2026-02-26 09:45:44
○MXmx40.comcast.com2015-09-04 → 2019-04-15 · 4 obs
● 2019-04-15 23:51:28
○ 2019-08-05 22:11:56
○ 2026-02-26 09:45:44
○MXmx50.comcast.com2016-03-08 → 2019-04-15 · 5 obs
● 2016-03-08 02:41:22
● 2019-04-15 23:51:28
○ 2019-08-05 22:11:56
○ 2026-02-26 09:45:44
○MXmx60.comcast.com2016-03-08 → 2019-04-15 · 5 obs
● 2016-03-08 02:41:22
● 2019-04-15 23:51:28
○ 2019-08-05 22:11:56
○ 2026-02-26 09:45:44
●MXmxa-00143702.gslb.pphosted.com2019-08-05 → 2026-02-26 · 3 obs
● 2019-08-05 22:11:56
● 2026-02-26 09:45:44
●MXmxb-00143702.gslb.pphosted.com2019-08-05 → 2026-02-26 · 3 obs
● 2019-08-05 22:11:56
● 2026-02-26 09:45:44
○A69.252.80.752015-09-04 → 2021-12-20 · 4 obs
● 2021-12-20 01:06:34
○ 2026-02-14 16:33:54
○ 2026-02-26 09:45:44
●A96.99.227.02026-02-14 → 2026-02-26 · 3 obs
● 2026-02-14 16:33:54
● 2026-02-26 09:45:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| comcast.com | dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net... | - |
✅ 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: 710ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 96.99.227.0 |
| NS | 5 | dns105.comcast.net, dns104.comcast.net... |
| MX | 2 | mxa-00143702.gslb.pphosted.com (pri: 5), mxb-00143702.gslb.pphosted.com (pri: 5) |
| TXT | 31 | amazonses:RYuDm+T3xJC87y0v4Cj4JlDm9d5enV, openai-domain-verification=dv-z3jR2RoYFR... |
| SOA | 1 | dns101.comcast.net domregtech.comcastonl |
AI analysis
comcast.com is a parent of activation3.comcast.com, dh.comcast.com, cbcommunity.comcast.com, energyrewards.comcast.com, washington.comcast.com and hundreds of other host names.
comcast.com points to a single IP number: 96.99.227.0.
Other host names, for instance comcast.net, dns-upper-redirect.xfinity.com, nbcuniversallistens.com and xfinity.net share IP numbers with comcast.com.
comcast.com is delegated to five name servers: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net and dns105.comcast.net.
comcast.com at least partially shares name servers with other domains, for instance nota.fl.ibone.comcast.net, 2.15.24.in-addr.arpa, 125.80.68.in-addr.arpa, newholland.pa.pitt.comcast.net and e65th-indy.in.indy.comcast.net.
These name servers are commonly used with the name servers ns.kickingbbqsweeps.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.
comcast.com is handled by two mail servers: mxa-00143702.gslb.pphosted.com and mxb-00143702.gslb.pphosted.com.
comcast.com uses the same mail server configuration as other domains, such as comcastbusiness.com, sproutsmart.com, freewheel.tv, loopme.in and adazzle.com.
comcast.com shares some mail servers with other domains at least partially, for example thistech.com.
Host names with one IP number: mxa-00143702.gslb.pphosted.com points to 148.163.141.77; mxb-00143702.gslb.pphosted.com points to 148.163.145.77.