Changing DNS servers (name only) for a DNSSEC enabled domain

[Danilo Godec]

Hello,


in the near future I will have to change NS records for one of my 
domains, as DNS servers currently use an old domain (not mine), that 
will be phased out. DNS servers will actually remain the same, only the 
domain name will change.

So, basically:

  * mydomain currently uses dns1.olddomain, dns2.olddomain,
    dns3.olddomain, ...
  * dns*.olddomain are the same servers as dns*.newdomain
  * mydomain has to change DNS server to dns1.newdomain, dns2.newdomain,
    dns3.newdomain, ...



Since DNSSEC is enabled on mydomain, I've been reading some instructions 
about doing this with DNSSEC and they say:

1. Disable DNSSEC at Registrar
2. Wait 24 hours
3. Disable DNSSEC at Name Server (remove DS-records)
4. Switch name servers
5. Wait 24 hours
6. Re-enable DNSSEC


Is this really necessary in this case, changing only DNS server names? I 
would like to avoid changing DS records at the registrar level as they 
don't provide a 'self-service' interface for managing them, so I have to 
go though their support and that's usually tedious.

If that is necessary, why?


    Thanks, Danilo

PS: If it matters, this is (still) a manually DNSSEC'd domain.
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