--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-20T00:00:00Z dns-udp-queries-received-ipv4: 3383957358 dns-udp-queries-received-ipv6: 838531403 dns-tcp-queries-received-ipv4: 103591797 dns-tcp-queries-received-ipv6: 63450832 dns-udp-responses-sent-ipv4: 3377608954 dns-udp-responses-sent-ipv6: 838338953 dns-tcp-responses-sent-ipv4: 85086846 dns-tcp-responses-sent-ipv6: 65096936