--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4221847794 dns-udp-queries-received-ipv6: 647221596 dns-tcp-queries-received-ipv4: 112741361 dns-tcp-queries-received-ipv6: 23797213 dns-udp-responses-sent-ipv4: 4109747585 dns-udp-responses-sent-ipv6: 646908797 dns-tcp-responses-sent-ipv4: 108471364 dns-tcp-responses-sent-ipv6: 23811520