Yes, so you use multiple strings (in a single record) if you need longer values:... | Hacker News

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		mjl- 22 hours ago \| parent \| context \| favorite \| on: Cracking a 512-bit DKIM key for less than $8 in th... Yes, so you use multiple strings (in a single record) if you need longer values: "first 255 bytes" "second 255 bytes" "etc" DNS clients combine the 255-byte strings back into a single string.

teddyh 7 hours ago [–]

> DNS clients combine the 255-byte strings back into a single string.

No, DKIM clients and SPF clients do that. Generic DNS clients, however, are in theory free to ascribe any semantic meaning they like to the string separations.

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