--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2856307040 dns-udp-queries-received-ipv6: 316880412 dns-tcp-queries-received-ipv4: 159588801 dns-tcp-queries-received-ipv6: 6810224 dns-udp-responses-sent-ipv4: 2854148812 dns-udp-responses-sent-ipv6: 316871426 dns-tcp-responses-sent-ipv4: 159493336 dns-tcp-responses-sent-ipv6: 6932659