Question and response
Question
dig c.spf.ntesmail.com. TXT
Answer
c.spf.ntesmail.com. 1800 TXT "v=spf1 ip4:47.251.158.0/24 ip4:8.221.36.0/24 ip4:47.88.81.128/25 ip4:47.85.125.0/24 -all"
Authority
ntesmail.com. 172800 NS lofterns3.netease.com.
ntesmail.com. 172800 NS lofterns1.netease.com.
ntesmail.com. 172800 NS lofterns4.netease.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0