mx4.comcast.com - robtex.com
mx4.comcast.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 69.241.43.118🇺🇸 COMCAST-IBONE69.240.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | mx4.comcast.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 | ||||||
| NS | dns101.comcast.net ⭐ | ||||||
| NS | dns102.comcast.net | ||||||
| NS | dns103.comcast.net | ||||||
| NS | dns104.comcast.net | ||||||
| NS | dns105.comcast.net | ||||||
| MX | mxa-00143702.gslb.pphosted.com ⭐ | ||||||
| MX | mxb-00143702.gslb.pphosted.com ⭐ | ||||||
| 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 | ||||||
| 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 | ||||||
| SOA | dns101.comcast.netdomregtech@comcastonline.com serial=2009104344 | ||||||
rank #4895 globally
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.
PTR for
MX for
Previously MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A69.241.43.1182015-06-01 → 2026-02-26 · 2 obs
● 2026-02-26 15:44:32
🔍 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: 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: 313ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 69.241.43.118 |
AI analysis
mx4.comcast.com acts as a mail server for suzanne.tv.
mx1.comcast.com, mx2.comcast.com and mx3.comcast.com are commonly used as mail servers together with mx4.comcast.com.
mx4.comcast.com points to a single IP number: 69.241.43.118.