--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-15T00:00:00Z' dns-udp-queries-received-ipv4: 3069578148 dns-udp-queries-received-ipv6: 535497880 dns-tcp-queries-received-ipv4: 61848688 dns-tcp-queries-received-ipv6: 16315875 dns-udp-responses-sent-ipv4: 3048355105 dns-udp-responses-sent-ipv6: 535083713 dns-tcp-responses-sent-ipv4: 59829225 dns-tcp-responses-sent-ipv6: 15944347