--- version: rssac002v3 service: a.root-servers.net start-period: '2020-01-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6792700018 dns-udp-queries-received-ipv6: 974461762 dns-tcp-queries-received-ipv4: 285717295 dns-tcp-queries-received-ipv6: 70330604 dns-udp-responses-sent-ipv4: 6583293875 dns-udp-responses-sent-ipv6: 971186776 dns-tcp-responses-sent-ipv4: 265084995 dns-tcp-responses-sent-ipv6: 70344423