--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9102305099 dns-udp-queries-received-ipv6: 1400678684 dns-tcp-queries-received-ipv4: 326523577 dns-tcp-queries-received-ipv6: 111057577 dns-udp-responses-sent-ipv4: 8843656774 dns-udp-responses-sent-ipv6: 1397070204 dns-tcp-responses-sent-ipv4: 323559596 dns-tcp-responses-sent-ipv6: 111570685