Plesse take a look at the SPF record for reply.ticketmaster.com (primary:
a.ns.tmcs.net). It is fairly long, listing 19 hostnames, and seems to get
cutoff short using the SPF testing tools I have located. I get warnings
about no terminal "-all" keyword. Everything shows up using dig, but I
worry that the SPF tools are not going to grok this properly. Is there a
better way to publish a largish set of hostnames in a SPF TXT record?
The problem is that the TXT record is so long that it overflows the 512
byte limit of UDP, and requires TCP. Although a real DNS resolver and real
DNS server will support TCP, many tools will not. And, many anti-spam
programs will not either (since many require their own DNS resolver, and
currently no DNS-based spam tools have a need for the >512 byte limit).
You might want to split them up using include:.
-Scott
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