[Pdns-users] Long TXT record

Craig Whitmore lennon at orcon.net.nz
Wed Aug 5 08:47:01 UTC 2015


> My question is:
> is it possible perform an alter table to change the column field in a 
> varchar(64000) in order to insert a TXT record longer than 255 bytes?
> If so, can pdns serve the long TXT records (after tha operation)?
> If so, how will pdns serve the long records, splitting them?

You cannot have a single TXT record longer than 255 characters..

http://www.faqs.org/rfcs/rfc1035.html Section 2.3.4

And if you want longer records then see..

http://tools.ietf.org/html/rfc4408#section-3.1.3

Do you want to create invalid DNS packets?





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