--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4558792108 dns-udp-queries-received-ipv6: 724549678 dns-tcp-queries-received-ipv4: 120024462 dns-tcp-queries-received-ipv6: 27479085 dns-udp-responses-sent-ipv4: 4448359636 dns-udp-responses-sent-ipv6: 724143656 dns-tcp-responses-sent-ipv4: 118043679 dns-tcp-responses-sent-ipv6: 27654399