--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-28T00:00:00Z' dns-udp-queries-received-ipv4: 2769453638 dns-udp-queries-received-ipv6: 574501092 dns-tcp-queries-received-ipv4: 66932589 dns-tcp-queries-received-ipv6: 16734520 dns-udp-responses-sent-ipv4: 2741723731 dns-udp-responses-sent-ipv6: 573927310 dns-tcp-responses-sent-ipv4: 65590604 dns-tcp-responses-sent-ipv6: 16548717