Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig awsdns-cn-21.cn. SOA
Answer
awsdns-cn-21.cn. 900 SOA ns-2878.awsdns-cn-51.biz. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
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