--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8516211164 dns-udp-queries-received-ipv6: 1707725448 dns-tcp-queries-received-ipv4: 267080006 dns-tcp-queries-received-ipv6: 90490855 dns-udp-responses-sent-ipv4: 8277429854 dns-udp-responses-sent-ipv6: 1705785450 dns-tcp-responses-sent-ipv4: 249594470 dns-tcp-responses-sent-ipv6: 90984110