--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-09-21T00:00:00Z' dns-udp-queries-received-ipv4: 2917549556 dns-udp-queries-received-ipv6: 743552437 dns-tcp-queries-received-ipv4: 68417065 dns-tcp-queries-received-ipv6: 18128904 dns-udp-responses-sent-ipv4: 2853375924 dns-udp-responses-sent-ipv6: 743933291 dns-tcp-responses-sent-ipv4: 44894464 dns-tcp-responses-sent-ipv6: 12614000