--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2967939915 dns-udp-queries-received-ipv6: 323157064 dns-tcp-queries-received-ipv4: 139961933 dns-tcp-queries-received-ipv6: 6940034 dns-udp-responses-sent-ipv4: 2965501363 dns-udp-responses-sent-ipv6: 322898121 dns-tcp-responses-sent-ipv4: 139873328 dns-tcp-responses-sent-ipv6: 7022258