Question and response
Question
dig smtpe1.intersmtp.com. TXT
Answer
smtpe1.intersmtp.com. 86400 TXT "v=spf1 a ~all"
Authority
intersmtp.com. 86400 NS ns2.bt.net.
intersmtp.com. 86400 NS ns0.bt.net.
intersmtp.com. 86400 NS ns1.bt.net.
Additional
ns0.bt.net. 86400 A 217.35.209.188
ns1.bt.net. 86400 A 217.32.105.91
ns2.bt.net. 86400 A 217.32.105.90
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0