Question and response
Question
dig mercanvinc.com. TXT
Answer
mercanvinc.com. 1800 TXT "v=spf1 ip4:93.113.61.23 -all"
Authority
mercanvinc.com. 1800 NS dns1.registrar-servers.com.
mercanvinc.com. 1800 NS dns2.registrar-servers.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0