Question and response
Question
dig smtp021.dooray.com. TXT
Answer
smtp021.dooray.com. 300 TXT "v=spf1 ip4:106.249.24.0/26 ip4:103.243.203.0/26 ip4:133.186.179.23 ip4:133.186.179.24 ip4:211.180.235.132/30 ip4:211.180.235.136/29 ip4:211.180.235.144/30 include:_spfblocka.toast.com ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0