Force DNS resolving in cURL with the –resolve switch

It’s possible to force DNS resolving in cURL using the –resolve switch. The –resolve switch allows you to tell curl which address to request when it would resolve a given hostname. The format of the argument is domain:port:ip # HTTPS Example curl -I -L https://domain.example.org/ \ –resolve domain.example.org:443:192.168.0.1 # HTTP Example curl -I -L http://domain.example.org/ …

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This content originally appeared on Bram.us and was authored by Bramus!

It’s possible to force DNS resolving in cURL using the --resolve switch.

The --resolve switch allows you to tell curl which address to request when it would resolve a given hostname.

The format of the argument is domain:port:ip

# HTTPS Example
curl -I -L https://domain.example.org/ \
  --resolve domain.example.org:443:192.168.0.1

# HTTP Example
curl -I -L http://domain.example.org/ \
  --resolve domain.example.org:80:192.168.0.1

Handy for testing a new server or load balancer you’ve prepared, or when wanting to bypass Cloudflare Proxying without touching Cloudflare’s settings.

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This content originally appeared on Bram.us and was authored by Bramus!


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