MailChannels:
%domain%. 60 IN MX 10 mx1.mailchannels.net.
%domain%. 60 IN MX 10 mx2.mailchannels.net.
%domain%. IN TXT "v=spf1 include:spf.guru.net.uk -all"
Spam Experts:
%domain%. IN MX 10 mx.spamexperts.com.
%domain%. IN MX 20 fallbackmx.spamexperts.eu.
%domain%. IN MX 30 lastmx.spamexperts.net.
%domain%. IN TXT "v=spf1 include:spf.guru.net.uk -all"
Reseller:
%domain%. IN MX 0 mail.%domain%
%domain%. IN TXT "v=spf1 a mx -all;