Question and response
Question
dig relay.thundermail.uk. TXT
Answer
relay.thundermail.uk. 86400 TXT "v=spf1 +a:mail-gw.thundermail.uk +ip4:149.255.60.64/27 include:relay.mailchannels.net ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0