--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4229257412 dns-udp-queries-received-ipv6: 680351131 dns-tcp-queries-received-ipv4: 112664105 dns-tcp-queries-received-ipv6: 26732720 dns-udp-responses-sent-ipv4: 4130616338 dns-udp-responses-sent-ipv6: 679961840 dns-tcp-responses-sent-ipv4: 110492957 dns-tcp-responses-sent-ipv6: 26861356