Zone apex
Start of authority
Email
Serial
18
Refresh
15m
Retry
1m 30s
Expire
1d
Negative cache TTL
15m
Question and response
Question
dig IGAMMA.RU. SOA
Answer
IGAMMA.RU. 900 SOA dns1.yandex.net. dns-hosting.yandex.RU. 18 900 90 86400 900
Authority
IGAMMA.RU. 900 NS dns1.yandex.net.
IGAMMA.RU. 900 NS dns2.yandex.net.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0