Email DNS records for comcast.net
MX, SPF, DMARC and DKIM records published for comcast.net. Registered via Csc Corporate Domains, Inc.. Domain age: 29 years.
comcast.net can receive email: 8 MX records found. Authentication records found: SPF, DMARC. Not found: DKIM (among common selectors).
| Check | Result | What it means |
|---|---|---|
| MX | Found (8) | The domain is configured to receive email. |
| SPF | Found | The record ends with ~all: mail from servers not listed should be treated as suspicious but accepted (soft fail). |
| DMARC | p=reject | The policy is reject: receivers are asked to reject messages that fail DMARC. Aggregate reports are requested (rua). |
| DKIM | Not found among common selectors | DKIM can only be confirmed with the selector used by the sender, so this does not mean the domain has no DKIM. |
Last checked: 2026-10-08 (UTC). DNS records can change over time. This report lists public DNS records; their presence does not by itself mean that a domain or its messages are safe.
Next steps
MX records for comcast.net
- 5 mx2.mxge.comcast.net
- 5 mx1.mxge.comcast.net
- 50 mx2a1.comcast.net
- 50 mx2c1.comcast.net
- 50 mx1h1.comcast.net
- 50 mx2h1.comcast.net
- 50 mx1a1.comcast.net
- 50 mx1c1.comcast.net
Email authentication records for comcast.net
SPF record
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 ~all
DMARC record
v=DMARC1;p=reject;sp=reject;rua=mailto:dmarc-rua@dmarctest.comcast.net
Check a specific email address @comcast.net
This page checks how comcast.net is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
Domain registration
Created1997-09-25
Updated2023-09-20
Expires2024-09-24
Server location
IP address96.99.227.0
Reverse IPdns-upper-redirect.xfinity.com
CountryUnited States of America
ASN7922
Name servers
NS 1dns101.comcast.net.
NS 2dns102.comcast.net.
NS 3dns103.comcast.net.
NS 4dns104.comcast.net.
NS 5dns105.comcast.net.
TXT records for comcast.net
TXT 1google-site-verification=gxiEHT6grgMJE52lhl4OYIt5Q3XpA5qt-8Okrxq-mcE
TXT 2google-site-verification=g7KA0NF2z-1XIBz7vWW88zvVYlJeiG56UPOYHF2tqY0
TXT 3yahoo-verification-key=t0ftaXXV8MB1pon3jzauB3Fz5ezusB2l9jy3GVNPQRw=
TXT 4v=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 ~all
Domain status
Status 1clienttransferprohibited http://www.icann.org/epp#clienttransferprohibited
Status 2serverdeleteprohibited http://www.icann.org/epp#serverdeleteprohibited
Status 3servertransferprohibited http://www.icann.org/epp#servertransferprohibited
Status 4serverupdateprohibited http://www.icann.org/epp#serverupdateprohibited