--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-27T00:00:00Z' dns-udp-queries-received-ipv4: 2703705957 dns-udp-queries-received-ipv6: 568469122 dns-tcp-queries-received-ipv4: 64291044 dns-tcp-queries-received-ipv6: 17306077 dns-udp-responses-sent-ipv4: 2666086982 dns-udp-responses-sent-ipv6: 568157524 dns-tcp-responses-sent-ipv4: 42877401 dns-tcp-responses-sent-ipv6: 11700898