--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7640477564 dns-udp-queries-received-ipv6: 1023389075 dns-tcp-queries-received-ipv4: 347622128 dns-tcp-queries-received-ipv6: 73069033 dns-udp-responses-sent-ipv4: 7439447033 dns-udp-responses-sent-ipv6: 1019919255 dns-tcp-responses-sent-ipv4: 327911155 dns-tcp-responses-sent-ipv6: 73101474