--- version: rssac002v3 service: a.root-servers.net start-period: '2017-12-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4187807160 dns-udp-queries-received-ipv6: 408479798 dns-tcp-queries-received-ipv4: 96971404 dns-tcp-queries-received-ipv6: 12725717 dns-udp-responses-sent-ipv4: 4186312659 dns-udp-responses-sent-ipv6: 408470780 dns-tcp-responses-sent-ipv4: 97226188 dns-tcp-responses-sent-ipv6: 12877679