--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3773955553 dns-udp-queries-received-ipv6: 538564472 dns-tcp-queries-received-ipv4: 112589266 dns-tcp-queries-received-ipv6: 19256577 dns-udp-responses-sent-ipv4: 3676647612 dns-udp-responses-sent-ipv6: 538279473 dns-tcp-responses-sent-ipv4: 109099639 dns-tcp-responses-sent-ipv6: 19305440