Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d
Question and response
Question
dig spf.nice.com. SOA
Answer
spf.nice.com. 900 SOA ns-529.awsdns-02.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Authority
spf.nice.com. 300 NS ns-1061.awsdns-04.org.
spf.nice.com. 300 NS ns-1756.awsdns-27.co.uk.
spf.nice.com. 300 NS ns-213.awsdns-26.com.
spf.nice.com. 300 NS ns-529.awsdns-02.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0