--- version: rssac002v3 service: a.root-servers.net start-period: '2019-08-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6364504514 dns-udp-queries-received-ipv6: 1101514652 dns-tcp-queries-received-ipv4: 192544529 dns-tcp-queries-received-ipv6: 33645081 dns-udp-responses-sent-ipv4: 6199054349 dns-udp-responses-sent-ipv6: 1100884493 dns-tcp-responses-sent-ipv4: 188423914 dns-tcp-responses-sent-ipv6: 34563385