---
service: h.root-servers.net
metric: traffic-volume
start-period: '2015-05-18T00:00:00Z'
end-period: '2015-05-18T23:59:59Z'
dns-udp-queries-received-ipv4: 847807879
dns-udp-queries-received-ipv6: 69715129
dns-tcp-queries-received-ipv4: 120579
dns-tcp-queries-received-ipv6: 36967
dns-udp-responses-sent-ipv4: 738958549
dns-udp-responses-sent-ipv6: 63599334
dns-tcp-responses-sent-ipv4: 37979
dns-tcp-responses-sent-ipv6: 23619