[Bug]: DMARC and SPF checks error out

[blaxer]

Bug Type

Tool gives incorrect output

Expected output, actual output, steps to recreate

Thank you for the excellent tools!

Attempting to run the DMARC and SPF checks I get a 500 error. This appears to be happening running the docker container locally and at https://networking-toolbox.as93.net.

TIA!

Additional Info

No response

Checklist

• I have searched existing issues to make sure this bug hasn't been reported before
• I agree to follow the Code of Conduct

[roberohn]

Yeah I've noticed I'm getting this too.