dns.resolveMx returns invalid result in Node <22 #53708
Labels
cares
Issues and PRs related to the c-ares dependency or the cares_wrap binding.
confirmed-bug
Issues with confirmed bugs.
dns
Issues and PRs related to the dns subsystem.
v18.x
Issues that can be reproduced on v18.x or PRs targeting the v18.x-staging branch.
v20.x
v20.x Issues that can be reproduced on v20.x or PRs targeting the v20.x-staging branch.
Version
v20.15.0
Platform
Subsystem
dns
What steps will reproduce the bug?
I have this code:
And results:
How often does it reproduce? Is there a required condition?
Might be system/resolver dependent. Also there should be something unusual about this particular domain
What is the expected behavior? Why is that the expected behavior?
What do you see instead?
Bare "blek.cz" host even don't have SMTP port open so it makes emails undeliverable
Additional information
No response
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