--- version: rssac002v3 service: a.root-servers.net start-period: '2020-01-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7100281657 dns-udp-queries-received-ipv6: 1148967480 dns-tcp-queries-received-ipv4: 263541431 dns-tcp-queries-received-ipv6: 71518969 dns-udp-responses-sent-ipv4: 6885427254 dns-udp-responses-sent-ipv6: 1138708117 dns-tcp-responses-sent-ipv4: 248163177 dns-tcp-responses-sent-ipv6: 71398848