xnnd.com tools for dns
DNS Lookup: Multi DNS?

Checking MX record for comcast.net using Cloudflare DNS server ( (or click here to check using the Google DNS website.)
comcast.net mail is handled by 5 mx1.comcast.net.
comcast.net mail is handled by 5 mx2.comcast.net.

Did you receive spam from comcast.net? Try looking up where to send a spam report using abuse.net.
Or check its IP address in ARIN and look for an abuse contact.

Multi DNS Options: No/off=Check one random public server. Yes=Check public DNS servers. Special=Check DNS servers authoritative for zone/domain.

The authoritative DNS servers for this host are: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net.

Run at: Tue Jul 27 12:24:04 EDT 2021

 xnnd simple tools for dns since 2008