--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-03-28T00:00:00Z' dns-udp-queries-received-ipv4: 2014971576 dns-udp-queries-received-ipv6: 441544289 dns-tcp-queries-received-ipv4: 2149876 dns-tcp-queries-received-ipv6: 5162433 dns-udp-responses-sent-ipv4: 2019277086 dns-udp-responses-sent-ipv6: 444343989 dns-tcp-responses-sent-ipv4: 2100072 dns-tcp-responses-sent-ipv6: 5680777