--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8919020976 dns-udp-queries-received-ipv6: 1404878797 dns-tcp-queries-received-ipv4: 312307324 dns-tcp-queries-received-ipv6: 106667529 dns-udp-responses-sent-ipv4: 8657445635 dns-udp-responses-sent-ipv6: 1399098576 dns-tcp-responses-sent-ipv4: 308720307 dns-tcp-responses-sent-ipv6: 107132816