Question and response
Question
dig awsdns-cn-21.cn. TXT
Answer
awsdns-cn-21.cn. 172800 TXT "v=spf1 -all"
Authority
awsdns-cn-21.cn. 172800 NS g-ns-1292.awsdns-cn-21.cn.
awsdns-cn-21.cn. 172800 NS g-ns-237.awsdns-cn-21.cn.
awsdns-cn-21.cn. 172800 NS g-ns-2878.awsdns-cn-21.cn.
awsdns-cn-21.cn. 172800 NS g-ns-3934.awsdns-cn-21.cn.
awsdns-cn-21.cn. 172800 NS g-ns-intl-237.awsdns-cn-21.cn.
awsdns-cn-21.cn. 172800 NS g-ns-intl-3934.awsdns-cn-21.cn.
Additional
g-ns-1292.awsdns-cn-21.cn. 172800 A 52.82.181.12
g-ns-237.awsdns-cn-21.cn. 172800 A 52.82.176.237
g-ns-2878.awsdns-cn-21.cn. 172800 A 54.222.35.62
g-ns-3934.awsdns-cn-21.cn. 172800 A 54.222.39.94
g-ns-intl-237.awsdns-cn-21.cn. 172800 A 52.46.184.237
g-ns-intl-3934.awsdns-cn-21.cn. 172800 A 52.46.183.94
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0