Example code to connect to multi-homed servers over TCP:

select-connect.c poll-connect.c thread-connect.c

EDNS Compliance Reports

Root and TLD EDNS Compliance Report
Alexa Top 1000 EDNS Compliance Report
Alexa Bottom 1000 of Top 1M EDNS Compliance Report
.GOV domains from Alexa Top 1M EDNS Compliance Report
.AU domains from Alexa Top 1M EDNS Compliance Report
EDNS Compliance Report Time Series