--- version: rssac002v3 service: a.root-servers.net start-period: '2017-08-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3703131485 dns-udp-queries-received-ipv6: 402381585 dns-tcp-queries-received-ipv4: 127366364 dns-tcp-queries-received-ipv6: 10734700 dns-udp-responses-sent-ipv4: 3701103322 dns-udp-responses-sent-ipv6: 402365946 dns-tcp-responses-sent-ipv4: 127259958 dns-tcp-responses-sent-ipv6: 10763076