--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-01T00:00:00Z' dns-udp-queries-received-ipv4: 2763257547 dns-udp-queries-received-ipv6: 557676714 dns-tcp-queries-received-ipv4: 42666179 dns-tcp-queries-received-ipv6: 15398523 dns-udp-responses-sent-ipv4: 2738502573 dns-udp-responses-sent-ipv6: 556344048 dns-tcp-responses-sent-ipv4: 40805911 dns-tcp-responses-sent-ipv6: 14990039