--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8251431782 dns-udp-queries-received-ipv6: 1508335122 dns-tcp-queries-received-ipv4: 287574154 dns-tcp-queries-received-ipv6: 105805956 dns-udp-responses-sent-ipv4: 8047487235 dns-udp-responses-sent-ipv6: 1506920460 dns-tcp-responses-sent-ipv4: 271874737 dns-tcp-responses-sent-ipv6: 106303489