Custom Domains
Set up branded short links for your affiliate program
Last updated: 2026-01-19
Custom domains let you create branded short links like go.yourbrand.com/affiliateinstead of generic tracking URLs. This improves click-through rates and reinforces your brand.
Why Custom Domains Matter
Studies show branded short links get 34% higher click-through rates than generic URLs. They also build trust and look more professional in social posts.
Setup Steps
Choose Your Domain
Add DNS Record
Configure in Spark!
Verify Domain
Enable SSL
DNS Configuration
Add this DNS record in your domain registrar or DNS provider:
- Type: CNAME
- Name: go (or your chosen subdomain)
- Value: links.chargezen.com
- TTL: 300 (or auto)
DNS Propagation
DNS changes can take up to 48 hours to propagate globally, though most complete within 30 minutes. Use a tool like whatsmydns.net to check propagation status.
Multiple Domains
You can configure multiple custom domains for different use cases:
- go.brand.com — Primary affiliate links
- vip.brand.com — Top-tier affiliate vanity links
- partner.brand.com — B2B partner referrals
Link Structure
With custom domains, links can use clean paths:
go.yourbrand.com/sarah— Affiliate's personalized linkgo.yourbrand.com/summer-sale— Campaign-specific linkgo.yourbrand.com/p/product-name— Product deep link
Fallback Handling
Configure what happens when someone visits your link domain without a valid affiliate path:
- Redirect to Homepage — Send to your main site
- Show Affiliate Signup — Promote your affiliate program
- Custom Page — Display a branded landing page
- 404 Error — Show a not found page
Next Steps
Need more help? Contact support