--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4862858851 dns-udp-queries-received-ipv6: 753623416 dns-tcp-queries-received-ipv4: 154832868 dns-tcp-queries-received-ipv6: 30115617 dns-udp-responses-sent-ipv4: 4751676211 dns-udp-responses-sent-ipv6: 753012794 dns-tcp-responses-sent-ipv4: 154423198 dns-tcp-responses-sent-ipv6: 30281641