--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-05-06T00:00:00Z dns-udp-queries-received-ipv4: 3850236467 dns-udp-queries-received-ipv6: 435933544 dns-tcp-queries-received-ipv4: 114198554 dns-tcp-queries-received-ipv6: 70343029 dns-udp-responses-sent-ipv4: 3845633830 dns-udp-responses-sent-ipv6: 435745415 dns-tcp-responses-sent-ipv4: 115291424 dns-tcp-responses-sent-ipv6: 71257270