--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4133363612 dns-udp-queries-received-ipv6: 679142784 dns-tcp-queries-received-ipv4: 189487758 dns-tcp-queries-received-ipv6: 33644507 dns-udp-responses-sent-ipv4: 4039601830 dns-udp-responses-sent-ipv6: 678598344 dns-tcp-responses-sent-ipv4: 193800204 dns-tcp-responses-sent-ipv6: 33873344