--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-31T00:00:00Z' dns-udp-queries-received-ipv4: 3318067704 dns-udp-queries-received-ipv6: 650655833 dns-tcp-queries-received-ipv4: 70560721 dns-tcp-queries-received-ipv6: 18167076 dns-udp-responses-sent-ipv4: 3285386010 dns-udp-responses-sent-ipv6: 650112406 dns-tcp-responses-sent-ipv4: 68860323 dns-tcp-responses-sent-ipv6: 17900428