--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-11-29T00:00:00Z dns-udp-queries-received-ipv4: 2929917816 dns-udp-queries-received-ipv6: 608967864 dns-tcp-queries-received-ipv4: 58174546 dns-tcp-queries-received-ipv6: 29917083 dns-udp-responses-sent-ipv4: 2927046996 dns-udp-responses-sent-ipv6: 608862161 dns-tcp-responses-sent-ipv4: 59638347 dns-tcp-responses-sent-ipv6: 30572945