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Melody 0.19.0 | A language that compiles to regular expressions and aims to be more readable and maintainable (github.com)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 3 points 1 year ago (1 children)

I agree. In fact, the only check is if it contains the @ symbol, since "com" and other TLDs/gTLDs can have MX records, it is possible to have email@com. Not that we'd ever see it in practice though.

[–] [email protected] 2 points 1 year ago

@Zikeji It's possible for TLDs to have A records, and for a while there were a few that did. But ICANN forbids top level A records, and I wouldn't be surprised if they forbid top level MX records as well.

Anyway, you would literally enter the address as "email@com." including the trailing dot, which represents the DNS root that contains all the TLDs. You can also think of the trailing dot as an indicator of a FQDN (instead of a hostname within your local search domain).