--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4178578956 dns-udp-queries-received-ipv6: 462880225 dns-tcp-queries-received-ipv4: 189169609 dns-tcp-queries-received-ipv6: 8259173 dns-udp-responses-sent-ipv4: 4172060282 dns-udp-responses-sent-ipv6: 462763939 dns-tcp-responses-sent-ipv4: 189194319 dns-tcp-responses-sent-ipv6: 8382675