Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before April 29, 2025

Server Max QPS Min QPS Trend Average
s-01 4 703 3 192 4 111
b-01 4 688 3 119 4 046
b-02 2 731 980 2 132
r-01 2 699 1 572 2 122

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before April 29, 2025

RCODE Max QPS Min QPS Trend Average
NoError 11 995 6 547 10 176
NXDomain 2 566 982 1 452
ServFail 641 254 394
Refused 117 80 106
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before April 29, 2025

QTYPE Max QPS Min QPS Trend Average
A 8 537 4 452 6 683
AAAA 1 894 1 283 1 693
PTR 773 413 601
NS 687 351 575
Other 883 264 523
DS 493 242 397
TXT 135 37 63
MX 157 18 53

Top domains

Top 1000 domains by client cardinality magnitude on April 28, 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