--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7869854714 dns-udp-queries-received-ipv6: 1166792391 dns-tcp-queries-received-ipv4: 327038059 dns-tcp-queries-received-ipv6: 77557312 dns-udp-responses-sent-ipv4: 7638285094 dns-udp-responses-sent-ipv6: 1165477574 dns-tcp-responses-sent-ipv4: 318746482 dns-tcp-responses-sent-ipv6: 77745503