--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4484506364 dns-udp-queries-received-ipv6: 761738941 dns-tcp-queries-received-ipv4: 128725457 dns-tcp-queries-received-ipv6: 30226539 dns-udp-responses-sent-ipv4: 4361339835 dns-udp-responses-sent-ipv6: 761219323 dns-tcp-responses-sent-ipv4: 125880768 dns-tcp-responses-sent-ipv6: 30325580