New Domain warmup

Hi Alex here,

I just wanted to ask that I've to warmup a new domain with 0 person subscribe an email my list I've to run some ads for this purpose but my products are highly related to it products like(cisco routers, Nvidia graphic cards, Apple solid state Hard Drive  etc.) so how I'll warm up this domain. we’ve found a tool called lemlist is it help full for email warmup we are a drop shipping brand and using klaviyo for email marketing looking for your help.

thank you

Alex