--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5011378058 dns-udp-queries-received-ipv6: 729564307 dns-tcp-queries-received-ipv4: 144270794 dns-tcp-queries-received-ipv6: 26832567 dns-udp-responses-sent-ipv4: 4894294445 dns-udp-responses-sent-ipv6: 729140745 dns-tcp-responses-sent-ipv4: 141347612 dns-tcp-responses-sent-ipv6: 26968837