--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3214222521 dns-udp-queries-received-ipv6: 602694999 dns-tcp-queries-received-ipv4: 104727279 dns-tcp-queries-received-ipv6: 19292137 dns-udp-responses-sent-ipv4: 3129487236 dns-udp-responses-sent-ipv6: 602365981 dns-tcp-responses-sent-ipv4: 102457011 dns-tcp-responses-sent-ipv6: 19327551