--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3750539040 dns-udp-queries-received-ipv6: 385098935 dns-tcp-queries-received-ipv4: 180549242 dns-tcp-queries-received-ipv6: 9445652 dns-udp-responses-sent-ipv4: 3748329255 dns-udp-responses-sent-ipv6: 385071723 dns-tcp-responses-sent-ipv4: 180528263 dns-tcp-responses-sent-ipv6: 9555327