comcast.net
Observed 2026-07-15T04:26:53.348Z (11h ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Runs onCloudflare
Registered withCSC Corporate Domains, Inc.
Also usesGoogle Search Console
24 subdomains · tranco_1k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat comcast.net actually stands on - every host below is a signed observation
comcast.net
A / AAAA
96.99.227.0
Cloudflareserves the site
NS
dns101.comcast.netdns102.comcast.netdns104.comcast.netdns105.comcast.net+1 more
comcast.netanswers its DNS
MX
mx2h1.comcast.netmx1.mxge.comcast.netmx1c1.comcast.netmx2.mxge.comcast.net+4 more
comcast.netreceives its email
HTTPS probe
server_error
Server error (5xx) 521 Server Error
HTTP status521
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time79 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 8
50mx2h1.comcast.net5mx1.mxge.comcast.net50mx1c1.comcast.net5mx2.mxge.comcast.net50mx2c1.comcast.net50mx2a1.comcast.net50mx1h1.comcast.net50mx1a1.comcast.net
TXT 7
v=spf1 ip4:96.103.146.48/28 ip4:96.102.19.32/28 ip4:96.102.200.0/28 include:_spfv6.comcast.net include:_spf.mdp.comcast.net include:_ipspf.yahoo.com ~allyahoo-verification-key=t0ftaXXV8MB1pon3jzauB3Fz5ezusB2l9jy3GVNPQRw=google-site-verification=g7KA0NF2z-1XIBz7vWW88zvVYlJeiG56UPOYHF2tqY0google-site-verification=gxiEHT6grgMJE52lhl4OYIt5Q3XpA5qt-8Okrxq-mcEv=DMARC1;p=reject;sp=reject;rua=mailto:dmarc-rua@dmarctest.comcast.netv=STSv1; id=1667432290;v=DNSSEC1; (detected)
NS 5
dns101.comcast.netdns102.comcast.netdns104.comcast.netdns105.comcast.netdns103.comcast.net
SOA 1
dns101.comcast.net domregtech.comcastonline.com
TLS Certificates (0)
None.
Subdomains (24)
- auth.comcast.net
- beta.comcast.net
- ci.comcast.net
- connect.comcast.net
- console.comcast.net
- dns.comcast.net
- faq.comcast.net
- help.comcast.net
- images.comcast.net
- imap.comcast.net
- kb.comcast.net
- login.comcast.net
- mail.comcast.net
- media.comcast.net
- metrics.comcast.net
- news.comcast.net
- pop.comcast.net
- preview.comcast.net
- smtp.comcast.net
- static.comcast.net
- status.comcast.net
- support.comcast.net
- webmail.comcast.net
- www.comcast.net
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 receiptEd25519 Receipt
- Receipt ID
1a36cc05-c6c5-48f1-bd6c-ad781b23d18b- Output Hash
4d92bcc4597fdffe3e3fc0fc464db14ac54c8d11c781b16623cb288c5b6f8eeb- Signature
ed25519:1229c16b5e06f780c755335eb0f99b2d162876b12c0d5790db6c821307fdc0b958cdb3aff5d190424c4d59ac4111e9e9e8a662ed82c9b10f5d7b51455c6fe801- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast