comcast.com

Observed 2026-07-14T02:04:44.170Z (3h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onCloudflare

Email byProofpoint

Registered withCSC Corporate Domains, Inc.

Also usesAtlassianFacebook/MetaDocuSignGoogle Search ConsoleDocker1Password

17 subdomains · fortune_500

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat comcast.com actually stands on - every host below is a signed observation

comcast.com

A / AAAA

96.99.227.0

Cloudflareserves the site

dns101.comcast.netdns103.comcast.netdns105.comcast.netdns104.comcast.net+1 more

comcast.netanswers its DNS

mxb-00143702.gslb.pphosted.commxa-00143702.gslb.pphosted.com

Proofpointreceives its email

HTTPS probe

server_error Server error (5xx) 521 Server Error

HTTP status521

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time122 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

96.99.227.0

MX 2

5mxb-00143702.gslb.pphosted.com
5mxa-00143702.gslb.pphosted.com

TXT 39

airtable-verification=709aa8e31ed274aa8abc0f3a9286141f
atlassian-domain-verification=J+tB36tc4CyLsnqZ/MTW5tI3SZ+IOFAGTWEgMbo+FLRl+gvI4cSIQmMmTYOPEbTz
autodesk-domain-verification=9qi_qkHrCGa8onVbz33s
eYZbzQ91r/pvvnV/FdrbHyREx7EaAwWLeNYk/EMQrJiGpNCsX4tJcWlHJDFzifTDbfnlhI6koqrm0dYgkIfncg==
mongodb-site-verification=ucqyDX29txaTTi3K4euWVtieT0zCXRrg
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
intersight=3c7c5c60389a6b81830ef696f8761bc121ecf3f10d7cf8eef08f66af90451a8f
airtable-verification=d9386eea22fce5ee0d01209512aa7706
pexip-ms-tenant-domain-verification=31cff1f1-d4b6-492b-8d98-5b42f38c3949
facebook-domain-verification=f1zw72g52fjiesmld6xtuj467pl7f5

NS 5

dns101.comcast.net
dns103.comcast.net
dns105.comcast.net
dns104.comcast.net
dns102.comcast.net

SOA 1

dns101.comcast.net domregtech.comcastonline.com

TLS Certificates (0)

None.

Subdomains (17)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for comcast.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/comcast.com">
  <img src="https://domaindrift.io/badge/comcast.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for comcast.com">
</a>

Ed25519 Receipt

Receipt ID: 7335b7d5-5297-4b8f-a515-38122b46b6da
Output Hash: 7ed109612e134bafaa4d2a022762c97c3d7555240627193eeff1bf5d77092af0
Signature: ed25519:31169ee734a79ed5cede4d84f19be74972c88d7c853cc19e27852725de72b6141752035b34680cc2180edbdc0c8c58ede666e70c4a278cf300aad7982d6b0801
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/comcast.com