--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-01-27T00:00:00Z dns-udp-queries-received-ipv4: 5380017853 dns-udp-queries-received-ipv6: 1329520697 dns-tcp-queries-received-ipv4: 130516998 dns-tcp-queries-received-ipv6: 98922938 dns-udp-responses-sent-ipv4: 5369764137 dns-udp-responses-sent-ipv6: 1329386771 dns-tcp-responses-sent-ipv4: 106347248 dns-tcp-responses-sent-ipv6: 100834661