--- version: rssac002v3 service: a.root-servers.net start-period: '2021-02-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5031731987 dns-udp-queries-received-ipv6: 1035890365 dns-tcp-queries-received-ipv4: 262946139 dns-tcp-queries-received-ipv6: 109896202 dns-udp-responses-sent-ipv4: 4860003068 dns-udp-responses-sent-ipv6: 1034475380 dns-tcp-responses-sent-ipv4: 253454618 dns-tcp-responses-sent-ipv6: 109987479