DNS TXT length limit?

[MartinT]

I'm trying to get a long DKIM key into our local DNS as a TXT field and it keeps truncating it. No such problem with the public DNS.

 

Is there a way of increasing the AD DNS TXT length limit?

[PD1279]

The limit is 255 characters but if you want longer then enter two sets of quotes which will then concatenate them together

so for example

 

"v=spf1 .... first" "second string..."

 

will look like

 

IN TXT "v=spf1 .... firstsecond string..."

 

So just make sure you get the join in the right place and include a space if needed

 

If you still cannot put it in one record then create two records with the same name and it will concatenate them together

Edited December 18, 2018 by PD1279

[MartinT]

Thank you!