--- version: rssac002v3 service: a.root-servers.net start-period: '2017-12-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5233679182 dns-udp-queries-received-ipv6: 413636160 dns-tcp-queries-received-ipv4: 121304993 dns-tcp-queries-received-ipv6: 13033501 dns-udp-responses-sent-ipv4: 5231963260 dns-udp-responses-sent-ipv6: 413609447 dns-tcp-responses-sent-ipv4: 121583134 dns-tcp-responses-sent-ipv6: 13134794