--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-01-28T00:00:00Z' dns-udp-queries-received-ipv4: 2362727975 dns-udp-queries-received-ipv6: 540412843 dns-tcp-queries-received-ipv4: 44443020 dns-tcp-queries-received-ipv6: 13406907 dns-udp-responses-sent-ipv4: 2351852599 dns-udp-responses-sent-ipv6: 538856072 dns-tcp-responses-sent-ipv4: 41237654 dns-tcp-responses-sent-ipv6: 12614197