Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before February 22, 2025

Server Max QPS Min QPS Trend Average
s-01 7 699 3 193 5 191
b-01 4 366 2 395 3 898
r-01 4 121 1 625 2 878
b-02 2 234 682 1 787

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before February 22, 2025

RCODE Max QPS Min QPS Trend Average
NoError 11 127 7 386 9 795
NXDomain 1 455 973 1 164
ServFail 1 224 268 444
Refused 155 110 144
NotImp 11 0 5
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before February 22, 2025

QTYPE Max QPS Min QPS Trend Average
A 7 398 4 891 6 392
AAAA 1 811 1 388 1 636
PTR 686 506 602
NS 650 409 541
Other 540 256 404
DS 445 274 358
TXT 91 44 62
MX 96 21 35

Top domains

Top 1000 domains by client cardinality magnitude on February 21, 2025

DNS magnitude is a number in the range 0–10 expressing “popularity” of a domain based on client cardinality (number of unique client IP addresses). For details see Mayrhofer et al. (2000).

Column

Transport protocols

Daily QPS averages for transport protocols

IP versions

Daily QPS averages for IPv4 and IPv6