--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-06T00:00:00Z' dns-udp-queries-received-ipv4: 1580899223 dns-udp-queries-received-ipv6: 561666098 dns-tcp-queries-received-ipv4: 54192944 dns-tcp-queries-received-ipv6: 45194699 dns-udp-responses-sent-ipv4: 1574221916 dns-udp-responses-sent-ipv6: 532638785 dns-tcp-responses-sent-ipv4: 46309216 dns-tcp-responses-sent-ipv6: 38155277