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Monitor DNS query time

{ while true; do dig google.com | kazy -i "Query time" | kazy -r -x "[\d.]*"; sleep 1; done } | ttyplot -t "dig to google.com"
· 12 Apr 2023

Wait until DNS propagates

until [[ -n $(dig new.mydomain.com A +short @1.1.1.1) ]]; do echo "waiting..." && sleep 5; done

-n flag stands for non-empty string

· 22 Dec 2021

Check DNS propagation worldwide

Service from Constellix: DNS Propagation

· 26 May 2021