--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3481930761 dns-udp-queries-received-ipv6: 354837837 dns-tcp-queries-received-ipv4: 154157506 dns-tcp-queries-received-ipv6: 8394699 dns-udp-responses-sent-ipv4: 3480797963 dns-udp-responses-sent-ipv6: 354823359 dns-tcp-responses-sent-ipv4: 154146550 dns-tcp-responses-sent-ipv6: 8510404