--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-05-02T00:00:00Z' dns-udp-queries-received-ipv4: 1558760018 dns-udp-queries-received-ipv6: 306661945 dns-tcp-queries-received-ipv4: 44751440 dns-tcp-queries-received-ipv6: 9604755 dns-udp-responses-sent-ipv4: 1554370385 dns-udp-responses-sent-ipv6: 306626844 dns-tcp-responses-sent-ipv4: 43917094 dns-tcp-responses-sent-ipv6: 9441651