Domain · Tranco #661

comcast.com

comcast.com is ranked #661 among the world's most-visited sites (Tranco). It resolves to 96.99.227.0, hosted on dns-upper-redirect.xfinity.com.

HTTP 301

Tranco rank	#661
IPv4	96.99.227.0
Hosting / reverse DNS	dns-upper-redirect.xfinity.com
Nameservers	dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net
Mail servers (MX)	mxa-00143702.gslb.pphosted.com (5), mxb-00143702.gslb.pphosted.com (5)
HTTP status	301 → http://www.comcast.com/
Web server	BigIP
Detected tech	BigIP

Linked company

This domain's name matches a legal entity in our directory:

v=spf1 ip4:148.163.145.77 ip4:148.163.141.77 ip4:162.150.44.71 ip4:96.114.158.212 ip4:68.87.31.167 ip4:68.87.96.15 ip4:96.114.28.75 ip4:96.114.28.76 ip4:67.231.157.49 ip4:67.231.149.53 ip4:192.28.144.202 include:spfext.zapproved.com include:_spf.mdp.comcast.net include:_spf.comcast.com include:spf-00143705.pphosted.com ~all
apple-domain-verification=VNdTgwsxrDHE4eJM
apple-domain-verification=XRKeuEf5cWtc2oDC
autodesk-domain-verification=9qi_qkHrCGa8onVbz33s
pendo-domain-verification=XM4f85DQvo0VLA8QzSh-M0bjGEs
1password-site-verification=3BCX5ACVKBD73ADOMJ5XWM7JJ4

What is the IP address of comcast.com?

comcast.com resolves to 96.99.227.0 (dns-upper-redirect.xfinity.com).

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DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains