McAlister's Deli is a well-known chain of sandwich shops with over 500 locations in the U.S. Their website follows the standard pattern of any legitimate national brand: a 28-year-old domain, clear contact and about pages, privacy policy, and terms of service. Security is handled well with modern encryption and protections against email spoofing.
If you're asking is mcalistersdeli.com a scam, the answer is no. The volume of trust signals far outweighs minor quirks like a high number of external scripts or the absence of DNSSEC. For a food and dining site that takes online orders, this is about as clean as it gets. mcalistersdeli.com reviews from customers across the web generally match what the technical data shows: a legitimate business with nothing to hide.
When ordering from this site, the usual precautions apply — check your credit card statement and make sure you're on the real domain before entering payment details. But there's no reason to avoid it based on the evidence here.