--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2020-01-06T00:00:00Z' dns-udp-queries-received-ipv4: 3991661859 dns-udp-queries-received-ipv6: 776753346 dns-tcp-queries-received-ipv4: 194662911 dns-tcp-queries-received-ipv6: 60695454 dns-udp-responses-sent-ipv4: 3743076067 dns-udp-responses-sent-ipv6: 764203613 dns-tcp-responses-sent-ipv4: 180954281 dns-tcp-responses-sent-ipv6: 60076869