There are providers who owns the datacenter itself, and there are owns the gear (rent the space) from datacenter and they care to the gear, means put DevOPS/System Administrator guy at the datacenter

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I mean the technician still provided by data center ? What you want exactly owned data center ?

Most of the providers rent some dedicated/VPS from datacenter, then when they have some problem, they don't really can do anything just "raise" a ticket to datacenter.

OVH owns the subsea cables that connect their data centers.

We own all our hardware, which is colocated in data centers around the world.

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We own a data center in Lithuania and rent racks in data centers in the UK and the Netherlands. We own all the hardware.

We own all of our hardware and colocate it.

george own datacenter i believe @georgedatacenter

Just this time I prefer (if possible) from provider that own the gear.

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do you need provider to own the subsea cable as well

we rent the space directly from the datacenters we work with in france and germany.

Most of the providers rent some dedicated/VPS from datacenter, then when they have some problem, they don't really can do anything just "raise" a ticket to datacenter.

Why the FUCK would you need someone to own the DC?

I looking for provider that own the datacenter or gear at the datacenter,

How am I refusing to read? I stated my understanding of things based on what you stated, and you have yet to clarify, whatsoever.

I believe so, you'll just need to update the A record for ns1 & ns2 and it should work probably if done correctly.

Yes, you can use your own domain as nameservers