--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3789286818 dns-udp-queries-received-ipv6: 442354545 dns-tcp-queries-received-ipv4: 185904688 dns-tcp-queries-received-ipv6: 11432170 dns-udp-responses-sent-ipv4: 3785556886 dns-udp-responses-sent-ipv6: 440973724 dns-tcp-responses-sent-ipv4: 185488499 dns-tcp-responses-sent-ipv6: 11431500