Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
4m 53s
Question and response
Question
dig s3-w.ca-central-1.amazonaws.com. SOA
Answer
s3-w.ca-central-1.amazonaws.com. 14341 SOA ns-409.awsdns-51.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 293
Authority
s3-w.ca-central-1.amazonaws.com. 172800 NS ns-1196.awsdns-21.org.
s3-w.ca-central-1.amazonaws.com. 172800 NS ns-1636.awsdns-12.co.uk.
s3-w.ca-central-1.amazonaws.com. 172800 NS ns-409.awsdns-51.com.
s3-w.ca-central-1.amazonaws.com. 172800 NS ns-618.awsdns-13.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0