--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3516102456 dns-udp-queries-received-ipv6: 394656784 dns-tcp-queries-received-ipv4: 167881725 dns-tcp-queries-received-ipv6: 7202444 dns-udp-responses-sent-ipv4: 3510055386 dns-udp-responses-sent-ipv6: 394631253 dns-tcp-responses-sent-ipv4: 167811699 dns-tcp-responses-sent-ipv6: 7312506