--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4060798896 dns-udp-queries-received-ipv6: 423422444 dns-tcp-queries-received-ipv4: 106352452 dns-tcp-queries-received-ipv6: 13789738 dns-udp-responses-sent-ipv4: 4058267707 dns-udp-responses-sent-ipv6: 423390160 dns-tcp-responses-sent-ipv4: 106693161 dns-tcp-responses-sent-ipv6: 13892899