--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-06-28T00:00:00Z' dns-udp-queries-received-ipv4: 3125386035 dns-udp-queries-received-ipv6: 700828966 dns-tcp-queries-received-ipv4: 69520047 dns-tcp-queries-received-ipv6: 18176049 dns-udp-responses-sent-ipv4: 3087855096 dns-udp-responses-sent-ipv6: 700111040 dns-tcp-responses-sent-ipv4: 44812073 dns-tcp-responses-sent-ipv6: 11062084