Question and response
Question
dig ru. NS
Answer
ru. 345600 NS a.dns.ripn.net.
ru. 345600 NS b.dns.ripn.net.
ru. 345600 NS d.dns.ripn.net.
ru. 345600 NS e.dns.ripn.net.
ru. 345600 NS f.dns.ripn.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0