Question and response
Question
dig spf.cs.nttpc.info. TXT
Answer
spf.cs.nttpc.info. 300 TXT "v=spf1 ip4:202.143.84.208/28 +ip4:40.115.250.50 +ip4:13.78.32.16 ~all"
Authority
cs.nttpc.info. 300 NS ns-1461.awsdns-54.org.
cs.nttpc.info. 300 NS ns-16.awsdns-02.com.
cs.nttpc.info. 300 NS ns-1950.awsdns-51.co.uk.
cs.nttpc.info. 300 NS ns-518.awsdns-00.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0