--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6739836761 dns-udp-queries-received-ipv6: 1081274831 dns-tcp-queries-received-ipv4: 302664175 dns-tcp-queries-received-ipv6: 113488728 dns-udp-responses-sent-ipv4: 6527890786 dns-udp-responses-sent-ipv6: 1079647112 dns-tcp-responses-sent-ipv4: 287403731 dns-tcp-responses-sent-ipv6: 113607546