Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig awsdns-21.net. SOA
Answer
awsdns-21.net. 900 SOA g-ns-470.awsdns-21.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Authority
awsdns-21.net. 172800 NS g-ns-1365.awsdns-21.net.
awsdns-21.net. 172800 NS g-ns-1941.awsdns-21.net.
awsdns-21.net. 172800 NS g-ns-470.awsdns-21.net.
awsdns-21.net. 172800 NS g-ns-791.awsdns-21.net.
Additional
g-ns-1365.awsdns-21.net. 172800 A 205.251.197.85
g-ns-1365.awsdns-21.net. 172800 AAAA 2600:9000:5305:5500:0:0:0:1
g-ns-1941.awsdns-21.net. 172800 A 205.251.199.149
g-ns-1941.awsdns-21.net. 172800 AAAA 2600:9000:5307:9500:0:0:0:1
g-ns-470.awsdns-21.net. 172800 A 205.251.193.214
g-ns-470.awsdns-21.net. 172800 AAAA 2600:9000:5301:d600:0:0:0:1
g-ns-791.awsdns-21.net. 172800 A 205.251.195.23
g-ns-791.awsdns-21.net. 172800 AAAA 2600:9000:5303:1700:0:0:0:1
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0