--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7506326840 dns-udp-queries-received-ipv6: 1332545570 dns-tcp-queries-received-ipv4: 274290232 dns-tcp-queries-received-ipv6: 94957405 dns-udp-responses-sent-ipv4: 7319617177 dns-udp-responses-sent-ipv6: 1331206479 dns-tcp-responses-sent-ipv4: 258420109 dns-tcp-responses-sent-ipv6: 95490368