--- version: rssac002v3 service: a.root-servers.net start-period: '2017-12-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3902311143 dns-udp-queries-received-ipv6: 385782256 dns-tcp-queries-received-ipv4: 93530448 dns-tcp-queries-received-ipv6: 12859375 dns-udp-responses-sent-ipv4: 3900918092 dns-udp-responses-sent-ipv6: 385798569 dns-tcp-responses-sent-ipv4: 93762773 dns-tcp-responses-sent-ipv6: 13008482