Http.host.subdomains

General Rules
1

What is the name of the domain?

.example.com

What is the issue you’re encountering

Unable to use http.host.subdomains

What steps have you taken to resolve the issue?

http.hosts works perfectly; however, http.host.subdomain and http.host.subdomains do not work in a subdomain-enabled wildcard redirect rule.

What are the steps to reproduce the issue?

Redirect Rules
If All Incoming Requests
Type: Dynamic
Expression: concat(“https://”, http.host.subdomain, “.example.com”, http.request.uri.path)
OR
Expression: concat(“https://”, http.host.subdomains, “.example.com”, http.request.uri.path)
Status code: 301

2

That’s not a field available under the ruleset engine as far as I know.

Can you explain what you are trying to do and someone might be able to advise a better solution.

If it’s a complex redirect and you have a paid account, you can consider using a snippet.