--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7999432028 dns-udp-queries-received-ipv6: 1240976498 dns-tcp-queries-received-ipv4: 319128298 dns-tcp-queries-received-ipv6: 102290426 dns-udp-responses-sent-ipv4: 7762564831 dns-udp-responses-sent-ipv6: 1237215696 dns-tcp-responses-sent-ipv4: 315218298 dns-tcp-responses-sent-ipv6: 102699746