--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3472158074 dns-udp-queries-received-ipv6: 414659161 dns-tcp-queries-received-ipv4: 134031924 dns-tcp-queries-received-ipv6: 10641586 dns-udp-responses-sent-ipv4: 3469477202 dns-udp-responses-sent-ipv6: 414620412 dns-tcp-responses-sent-ipv4: 133587178 dns-tcp-responses-sent-ipv6: 10720950