Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig awsdns-20.com. SOA
Answer
awsdns-20.com. 900 SOA g-ns-596.awsdns-20.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Authority
awsdns-20.com. 172800 NS g-ns-1172.awsdns-20.com.
awsdns-20.com. 172800 NS g-ns-1748.awsdns-20.com.
awsdns-20.com. 172800 NS g-ns-21.awsdns-20.com.
awsdns-20.com. 172800 NS g-ns-596.awsdns-20.com.
Additional
g-ns-1172.awsdns-20.com. 172800 A 205.251.196.148
g-ns-1172.awsdns-20.com. 172800 AAAA 2600:9000:5304:9400:0:0:0:1
g-ns-1748.awsdns-20.com. 172800 A 205.251.198.212
g-ns-1748.awsdns-20.com. 172800 AAAA 2600:9000:5306:d400:0:0:0:1
g-ns-21.awsdns-20.com. 172800 A 205.251.192.21
g-ns-21.awsdns-20.com. 172800 AAAA 2600:9000:5300:1500:0:0:0:1
g-ns-596.awsdns-20.com. 172800 A 205.251.194.84
g-ns-596.awsdns-20.com. 172800 AAAA 2600:9000:5302:5400:0:0:0:1
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0