Hello,
While adding a DKIM key to my zone I was looking for information about
using parentheses for working around the string length limitation.
I looked at the way BIND puts them in my zone file for RRSIG entries and
and applied that to the TXT record:
20220317-a4qe._domainkey TXT (
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAA
OCAQ8AMIIBCgKCAQEAmEsWuQCj+OenaSQ3dM6WItExor
...
QXLXEHkQIDAQAB )
However, that was transformed by BIND into:
20220317-a4qe._domainkey.penguinpee.nl. 3600 IN TXT
"v=DKIM1" "OCAQ8AMIIBCgKCAQEAmEsWuQCj+OenaSQ3dM6WItExor"
...
"QXLXEHkQIDAQAB"
The bit from the first semicolon to the end of the line was missing.
Is that expected behavior? I couldn't find any documentation regarding
the usage of parentheses. I know I can also use multiple strings, just
like in the answer from BIND.
I worked around the issue defining it as follows:
20220317-a4qe._domainkey TXT "v=DKIM1; k=rsa; " (
p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQ
That returns the full key and all parameters. So, this question is more
out of curiosity.
-- Sandro
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