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Version: 1.x

API01004: DNS Resolution Failed

What This Means​

The POS could not convert your website's domain name (e.g., yourstore.com) into an IP address. DNS (Domain Name System) is like the internet's phone book — if it can't find the listing, it can't make the connection.

Common Causes​

  • Typo in domain name — The URL may have a spelling error
  • DNS server issues — Your DNS server is not responding
  • Domain expired — The domain registration may have lapsed
  • DNS propagation — Recent DNS changes haven't propagated yet
  • Local DNS cache — Outdated DNS information cached on your device

How to Fix​

1. Verify the Domain Name​

Double-check the URL for typos. Try accessing the site in a browser.

2. Check Domain Status​

Use a WHOIS lookup to verify:

  • The domain is still registered
  • It hasn't expired
  • DNS records are configured

3. Clear DNS Cache​

On your device:

macOS:

sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

Windows:

ipconfig /flushdns

4. Try Alternative DNS​

Switch to a public DNS server like:

  • Google: 8.8.8.8 and 8.8.4.4
  • Cloudflare: 1.1.1.1

5. Wait for DNS Propagation​

If you recently changed DNS settings, wait 24-48 hours for full propagation.