--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4094527958 dns-udp-queries-received-ipv6: 684395685 dns-tcp-queries-received-ipv4: 135886281 dns-tcp-queries-received-ipv6: 29528023 dns-udp-responses-sent-ipv4: 4000766473 dns-udp-responses-sent-ipv6: 683833503 dns-tcp-responses-sent-ipv4: 133126612 dns-tcp-responses-sent-ipv6: 29713485