--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-18T00:00:00Z' end-period: '2019-01-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6466981040 dns-udp-queries-received-ipv6: 1532504560 dns-tcp-queries-received-ipv4: 215500437 dns-tcp-queries-received-ipv6: 83827171 dns-udp-responses-sent-ipv4: 6466937252 dns-udp-responses-sent-ipv6: 1532394647 dns-tcp-responses-sent-ipv4: 214583035 dns-tcp-responses-sent-ipv6: 83694512