---
service: h.root-servers.net
metric: traffic-volume
start-period: '2015-05-04T00:00:00Z'
end-period: '2015-05-04T23:59:59Z'
dns-udp-queries-received-ipv4: 845287226
dns-udp-queries-received-ipv6: 80099525
dns-tcp-queries-received-ipv4: 136338
dns-tcp-queries-received-ipv6: 53962
dns-udp-responses-sent-ipv4: 804766789
dns-udp-responses-sent-ipv6: 74108580
dns-tcp-responses-sent-ipv4: 38575
dns-tcp-responses-sent-ipv6: 36134