Question and response
Question
dig smtp1.nextlevelinternet.com. TXT
Answer
smtp1.nextlevelinternet.com. 1800 TXT "v=spf1 a -all"
Authority
nextlevelinternet.com. 1800 NS auth2.nextlevelinternet.com.
nextlevelinternet.com. 1800 NS auth3.nextlevelinternet.com.
nextlevelinternet.com. 1800 NS auth1.nextlevelinternet.com.
nextlevelinternet.com. 1800 NS auth4.nextlevelinternet.com.
Additional
auth1.nextlevelinternet.com. 1800 A 207.7.100.99
auth2.nextlevelinternet.com. 1800 A 66.185.175.42
auth3.nextlevelinternet.com. 1800 A 207.7.112.13
auth4.nextlevelinternet.com. 1800 A 66.171.145.147
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0