--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8106450274 dns-udp-queries-received-ipv6: 1638366966 dns-tcp-queries-received-ipv4: 266510957 dns-tcp-queries-received-ipv6: 100968376 dns-udp-responses-sent-ipv4: 7891253346 dns-udp-responses-sent-ipv6: 1636809916 dns-tcp-responses-sent-ipv4: 253167086 dns-tcp-responses-sent-ipv6: 101369973