Question and response
Question
dig rdtc.RU. TXT
Answer
rdtc.RU. 3600 TXT "v=spf1 ip4:62.231.190.2 ip4:62.231.190.3 a mx ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0