how to revert signed db zone file to unsgined plain text (remove dnssec keys)

[Jelle de Jong]

On 2020-08-09 04:51, Evan Hunt wrote:
> On Sat, Aug 08, 2020 at 09:17:09PM +0200, Jelle de Jong wrote:
>> This will sound counter intuitive but I want to convert a
>> db.powercraft.nl.signed file to db.powercraft.nl (unsigned without keys). I
>> do have the keys used, but not the original file that got singed.
>>
>> I know I can convert the raw format to text but the zone file is rather big
>> and i want to get rid of all the sign keys.
>>
>> named-compilezone -f raw -F text -o powercraft.nl.text powercraft.nl
>> /var/cache/bind/db.powercraft.nl.signed
>>
>> named-checkzone -D -f raw powercraft.nl
>> /var/cache/bind/db.powercraft.nl.signed
> 
> You can just regex out all the DNSSEC-related types. Something like
> this ought to work:
> 
> $ named-compilezone -f raw -F text -s full -o - powercraft.nl | \
>    awk '$4 ~ /(DNSKEY|DS|RRSIG|NSEC|NSEC3|NSEC3PARAM)/ {next} {print}'

Thank you for your reply, there are still a lot of ; 
resign=20200802123322 lines, but it does clean up a lot better, sorted 
on record type it would become useful, ideas?

Is there no clean named command to do this output?

Kind regards,

Jelle de Jong