--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6730184619 dns-udp-queries-received-ipv6: 1500175195 dns-tcp-queries-received-ipv4: 219030625 dns-tcp-queries-received-ipv6: 77774425 dns-udp-responses-sent-ipv4: 6552983766 dns-udp-responses-sent-ipv6: 1499597930 dns-tcp-responses-sent-ipv4: 214343516 dns-tcp-responses-sent-ipv6: 78721892