--- version: rssac002v3 service: a.root-servers.net start-period: '2019-09-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6926433067 dns-udp-queries-received-ipv6: 1254572134 dns-tcp-queries-received-ipv4: 196648272 dns-tcp-queries-received-ipv6: 35414334 dns-udp-responses-sent-ipv4: 6748534357 dns-udp-responses-sent-ipv6: 1253734187 dns-tcp-responses-sent-ipv4: 192790651 dns-tcp-responses-sent-ipv6: 36125531