--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4041277279 dns-udp-queries-received-ipv6: 608797923 dns-tcp-queries-received-ipv4: 117762078 dns-tcp-queries-received-ipv6: 20400007 dns-udp-responses-sent-ipv4: 3940396632 dns-udp-responses-sent-ipv6: 608271811 dns-tcp-responses-sent-ipv4: 113873424 dns-tcp-responses-sent-ipv6: 20426534