Yes, ntlhelp.net can receive emails.
No, ntlhelp.net is a throwaway domain and should be blocked.
You can use MailCheck's free API to automatically block throwaway emails. Read our documentation to get started. No registration required.
A record
213.165.242.10
MX record
mail.spamdecoy.net
213.165.242.104
This domain has been found on spamdecoy.net
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