Question and response
Question
dig _spf.masterhost.ru. TXT
Answer
_spf.masterhost.ru. 900 TXT "v=spf1 include:_snetblocks1.masterhost.ru include:_snetblocks2.masterhost.ru include:_snetblocks3.masterhost.ru ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0