--- version: rssac002v3 service: a.root-servers.net start-period: '2019-09-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5945726401 dns-udp-queries-received-ipv6: 1119218269 dns-tcp-queries-received-ipv4: 180179842 dns-tcp-queries-received-ipv6: 32769304 dns-udp-responses-sent-ipv4: 5804745002 dns-udp-responses-sent-ipv6: 1118797017 dns-tcp-responses-sent-ipv4: 175846130 dns-tcp-responses-sent-ipv6: 33790544