--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2020-01-04T00:00:00Z' dns-udp-queries-received-ipv4: 3798903215 dns-udp-queries-received-ipv6: 749812591 dns-tcp-queries-received-ipv4: 179222399 dns-tcp-queries-received-ipv6: 60520137 dns-udp-responses-sent-ipv4: 3590138697 dns-udp-responses-sent-ipv6: 742471852 dns-tcp-responses-sent-ipv4: 162382999 dns-tcp-responses-sent-ipv6: 59925640