--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7586020911 dns-udp-queries-received-ipv6: 1072989084 dns-tcp-queries-received-ipv4: 279572029 dns-tcp-queries-received-ipv6: 76801643 dns-udp-responses-sent-ipv4: 7372014910 dns-udp-responses-sent-ipv6: 1069309008 dns-tcp-responses-sent-ipv4: 264317968 dns-tcp-responses-sent-ipv6: 76839441