--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3943813547 dns-udp-queries-received-ipv6: 534077255 dns-tcp-queries-received-ipv4: 110900767 dns-tcp-queries-received-ipv6: 18322526 dns-udp-responses-sent-ipv4: 3847794447 dns-udp-responses-sent-ipv6: 533782904 dns-tcp-responses-sent-ipv4: 107429256 dns-tcp-responses-sent-ipv6: 18334485