--- service: j.root-servers.net start-period: '2016-04-15T00:00:00Z' end-period: '2016-04-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5443041506 dns-udp-queries-received-ipv6: 716355477 dns-tcp-queries-received-ipv4: 165450048 dns-tcp-queries-received-ipv6: 2658711 dns-udp-responses-sent-ipv4: 5138402649 dns-udp-responses-sent-ipv6: 716655009 dns-tcp-responses-sent-ipv4: 145427102 dns-tcp-responses-sent-ipv6: 312018