--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3411861581 dns-udp-queries-received-ipv6: 347053282 dns-tcp-queries-received-ipv4: 152121247 dns-tcp-queries-received-ipv6: 8901649 dns-udp-responses-sent-ipv4: 3407842918 dns-udp-responses-sent-ipv6: 347032293 dns-tcp-responses-sent-ipv4: 152217207 dns-tcp-responses-sent-ipv6: 8966313