--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4112498496 dns-udp-queries-received-ipv6: 410873393 dns-tcp-queries-received-ipv4: 143604968 dns-tcp-queries-received-ipv6: 9610829 dns-udp-responses-sent-ipv4: 4110155434 dns-udp-responses-sent-ipv6: 410849996 dns-tcp-responses-sent-ipv4: 143838302 dns-tcp-responses-sent-ipv6: 9737411