--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4228257384 dns-udp-queries-received-ipv6: 625122763 dns-tcp-queries-received-ipv4: 132521452 dns-tcp-queries-received-ipv6: 24201257 dns-udp-responses-sent-ipv4: 4136279003 dns-udp-responses-sent-ipv6: 624571808 dns-tcp-responses-sent-ipv4: 129658485 dns-tcp-responses-sent-ipv6: 24298626