--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3861222159 dns-udp-queries-received-ipv6: 457334706 dns-tcp-queries-received-ipv4: 106730648 dns-tcp-queries-received-ipv6: 18636787 dns-udp-responses-sent-ipv4: 3768009762 dns-udp-responses-sent-ipv6: 457000585 dns-tcp-responses-sent-ipv4: 103393834 dns-tcp-responses-sent-ipv6: 18648099