--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4247944617 dns-udp-queries-received-ipv6: 501752098 dns-tcp-queries-received-ipv4: 110674331 dns-tcp-queries-received-ipv6: 18636429 dns-udp-responses-sent-ipv4: 4152986348 dns-udp-responses-sent-ipv6: 501245085 dns-tcp-responses-sent-ipv4: 107323650 dns-tcp-responses-sent-ipv6: 18648132