--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-01-07T00:00:00Z dns-udp-queries-received-ipv4: 3826083612 dns-udp-queries-received-ipv6: 916520227 dns-tcp-queries-received-ipv4: 116842910 dns-tcp-queries-received-ipv6: 76278939 dns-udp-responses-sent-ipv4: 3826350743 dns-udp-responses-sent-ipv6: 916374490 dns-tcp-responses-sent-ipv4: 94918761 dns-tcp-responses-sent-ipv6: 78737764