--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-06-19T00:00:00Z' dns-udp-queries-received-ipv4: 1955593677 dns-udp-queries-received-ipv6: 310147128 dns-tcp-queries-received-ipv4: 49629166 dns-tcp-queries-received-ipv6: 11980953 dns-udp-responses-sent-ipv4: 1953923826 dns-udp-responses-sent-ipv6: 310127207 dns-tcp-responses-sent-ipv4: 48570218 dns-tcp-responses-sent-ipv6: 11761085