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-51.net. SOA
Answer
awsdns-cn-51.net. 900 SOA ns-intl-4015.awsdns-cn-58.cn. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Authority
awsdns-cn-51.net. 172800 NS g-ns-1173.awsdns-cn-51.net.
awsdns-cn-51.net. 172800 NS g-ns-2339.awsdns-cn-51.net.
awsdns-cn-51.net. 172800 NS g-ns-4015.awsdns-cn-51.net.
awsdns-cn-51.net. 172800 NS g-ns-976.awsdns-cn-51.net.
awsdns-cn-51.net. 172800 NS g-ns-intl-4015.awsdns-cn-51.net.
awsdns-cn-51.net. 172800 NS g-ns-intl-976.awsdns-cn-51.net.
Additional
g-ns-1173.awsdns-cn-51.net. 172800 A 52.82.180.149
g-ns-2339.awsdns-cn-51.net. 172800 A 54.222.33.35
g-ns-4015.awsdns-cn-51.net. 172800 A 54.222.39.175
g-ns-976.awsdns-cn-51.net. 172800 A 52.82.179.208
g-ns-intl-4015.awsdns-cn-51.net. 172800 A 52.46.183.175
g-ns-intl-976.awsdns-cn-51.net. 172800 A 52.46.187.208
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0