--- version: rssac002v3 service: a.root-servers.net start-period: '2018-03-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3595620156 dns-udp-queries-received-ipv6: 340017766 dns-tcp-queries-received-ipv4: 134591230 dns-tcp-queries-received-ipv6: 16352746 dns-udp-responses-sent-ipv4: 3592772872 dns-udp-responses-sent-ipv6: 339905903 dns-tcp-responses-sent-ipv4: 135206464 dns-tcp-responses-sent-ipv6: 16441201