--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7089772853 dns-udp-queries-received-ipv6: 1417447986 dns-tcp-queries-received-ipv4: 267025984 dns-tcp-queries-received-ipv6: 94182463 dns-udp-responses-sent-ipv4: 6897467617 dns-udp-responses-sent-ipv6: 1415984694 dns-tcp-responses-sent-ipv4: 250979603 dns-tcp-responses-sent-ipv6: 94598917