--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-22T00:00:00Z dns-udp-queries-received-ipv4: 3631171523 dns-udp-queries-received-ipv6: 919316310 dns-tcp-queries-received-ipv4: 110455597 dns-tcp-queries-received-ipv6: 61916860 dns-udp-responses-sent-ipv4: 3624758018 dns-udp-responses-sent-ipv6: 919144389 dns-tcp-responses-sent-ipv4: 91048189 dns-tcp-responses-sent-ipv6: 63599596