Though I have never encountered this specific scenario in the past, I think it is always best to err on the side of caution. I would recommend following the steps provided in the Help Center article you linked in your original query. Though, it does appear that the details you pasted here are consistent with the Static routing option that uses CNAME records, as shown below:
Hope this helps!
-- Ashley Ismailovski
P.S. I would recommend against sharing your Public API Key on a public forum. Despite the name, this is not meant to be shared with others :) Maybe one of the admins can help to remove this? @Taylor Tarpley
Ashley Ismailovski, Klaviyo Champion & Director of Email Marketing at SmartSites https://www.smartsites.com/
Though I have never encountered this specific scenario in the past, I think it is always best to err on the side of caution. I would recommend following the steps provided in the Help Center article you linked in your original query. Though, it does appear that the details you pasted here are consistent with the Static routing option that uses CNAME records, as shown below:
Hope this helps!
-- Ashley Ismailovski
P.S. I would recommend against sharing your Public API Key on a public forum. Despite the name, this is not meant to be shared with others :) Maybe one of the admins can help to remove this? @Taylor Tarpley
Ashley Ismailovski, Klaviyo Champion & Director of Email Marketing at SmartSites https://www.smartsites.com/