So what is the answer ?  I say this may not be a legit address warranty.Dellhome.na@dell.com  since it was sent to an e-mail address not registered with my Dell account.  Another thought is the fact it states in the address Dellhome.na means what, especially if you have a business computer registered with Dell, so I suggest login into your Dell account, contact Dell CS via their site contact form.  I do not use ChatBots, they never help, a waist of time, I prefer to speak to a human.  

Another site to check with Contacting a Human of any Business is https://gethuman.com/phone-number

I have 40 yrs experience using Computers/Devices accessing the Internet or Web when it came avaiable in the 90's.

I am not a Rookie Dell, I also run Norton360 Lifelock and all Norton Security E-Mail Authenticity Monitoring that Alerts & Blocks https://us.norton.com/blog/emerging-threats/norton-email-scams

However the e-mail I received did know my PC Model number and Service Tag:  Plus Express Service Code: Number.  So if you Log Into Dell (trusting your login from before) then check to see if their unknown legit address for warranty Dellhome.na@dell.com  has your Device Registered shows your

As of 2/12/2025 , I have received an email from the following email 
warranty.Dellhome.na@dell.com 
Contents:
Congratulations on your new ALIENWARE M18 R2!
Get the most out of your system with SupportAssist.

And then a link to a Manage Warranty 
I'm not touching this email. And if Dell was sending this legitimately, not certain what a company needs to do to prove the validity.
Normally I go by the presumed valid @dell.com being legitimate.
No longer after this email.