Question and response
Question
dig spf.opt.pf. TXT
Answer
spf.opt.pf. 3600 TXT "v=spf1 ip4:202.3.238.64/27 include:manarelays.mana.pf include:spf.mailinblack.com include:spfcloud.letsignit.com -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0