--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7017234319 dns-udp-queries-received-ipv6: 928995662 dns-tcp-queries-received-ipv4: 260824818 dns-tcp-queries-received-ipv6: 73510820 dns-udp-responses-sent-ipv4: 6842549686 dns-udp-responses-sent-ipv6: 927355596 dns-tcp-responses-sent-ipv4: 244882749 dns-tcp-responses-sent-ipv6: 73571574