--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4238839655 dns-udp-queries-received-ipv6: 663981594 dns-tcp-queries-received-ipv4: 121319346 dns-tcp-queries-received-ipv6: 24383925 dns-udp-responses-sent-ipv4: 4120532295 dns-udp-responses-sent-ipv6: 663664269 dns-tcp-responses-sent-ipv4: 117708957 dns-tcp-responses-sent-ipv6: 24418720