--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4006495032 dns-udp-queries-received-ipv6: 482911143 dns-tcp-queries-received-ipv4: 109918631 dns-tcp-queries-received-ipv6: 18773134 dns-udp-responses-sent-ipv4: 3912787449 dns-udp-responses-sent-ipv6: 482605479 dns-tcp-responses-sent-ipv4: 106720618 dns-tcp-responses-sent-ipv6: 18788872