--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3316298733 dns-udp-queries-received-ipv6: 408301236 dns-tcp-queries-received-ipv4: 120756218 dns-tcp-queries-received-ipv6: 10096297 dns-udp-responses-sent-ipv4: 3314099447 dns-udp-responses-sent-ipv6: 408265769 dns-tcp-responses-sent-ipv4: 120597090 dns-tcp-responses-sent-ipv6: 10206939