--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-08-19T00:00:00Z' dns-udp-queries-received-ipv4: 2921397305 dns-udp-queries-received-ipv6: 634462155 dns-tcp-queries-received-ipv4: 59067149 dns-tcp-queries-received-ipv6: 14650049 dns-udp-responses-sent-ipv4: 2835636547 dns-udp-responses-sent-ipv6: 634259946 dns-tcp-responses-sent-ipv4: 39068115 dns-tcp-responses-sent-ipv6: 9951188