--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4387340002 dns-udp-queries-received-ipv6: 688218827 dns-tcp-queries-received-ipv4: 116757884 dns-tcp-queries-received-ipv6: 30394536 dns-udp-responses-sent-ipv4: 4249767101 dns-udp-responses-sent-ipv6: 687767578 dns-tcp-responses-sent-ipv4: 113941407 dns-tcp-responses-sent-ipv6: 30534960