Feature request: Check for string length in SPF records

domainaware / checkdmarc

A parser for SPF and DMARC DNS records

https://domainaware.github.io/checkdmarc

Apache License 2.0

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Feature request: Check for string length in SPF records #70

Open thesyst opened 3 years ago

thesyst commented 3 years ago

According to RFC, the length of one string in TXT record must not exceed 255 bytes. I did not find any code in __querydns function that is checking for this limit. Could you add this check?