Question and response
Question
dig spfext.rice.edu. TXT
Answer
spfext.rice.edu. 3600 TXT "v=spf1 a:a32.spf.rice.edu ip4:128.42.1.1/16 ip4:168.7.1.1/16 ip4:160.34.15.16/28 ip4:52.128.40.1/21 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0