--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-01-24T00:00:00Z' dns-udp-queries-received-ipv4: 2414824867 dns-udp-queries-received-ipv6: 521438868 dns-tcp-queries-received-ipv4: 45508102 dns-tcp-queries-received-ipv6: 13701268 dns-udp-responses-sent-ipv4: 2403982285 dns-udp-responses-sent-ipv6: 520265651 dns-tcp-responses-sent-ipv4: 42625681 dns-tcp-responses-sent-ipv6: 13032212