--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-17T00:00:00Z dns-udp-queries-received-ipv4: 3188606423 dns-udp-queries-received-ipv6: 615240771 dns-tcp-queries-received-ipv4: 59241589 dns-tcp-queries-received-ipv6: 27939162 dns-udp-responses-sent-ipv4: 3185594225 dns-udp-responses-sent-ipv6: 615175673 dns-tcp-responses-sent-ipv4: 60651151 dns-tcp-responses-sent-ipv6: 28787863