Network & DNS API

Resolve DNS records and calculate subnets to power monitoring, diagnostics, inventory, and provisioning tools.

Included endpoints

• GET /api/v1/dns/resolve?domain=example.com – A/AAAA lookups
• GET /api/v1/dns/mx?domain=example.com – MX mail server lookups
• POST /api/v1/subnet/calc – IPv4/IPv6 subnet calculations

---

Example: DNS resolve

curl --request GET \
  --url 'https://hefftools.dev/api/v1/dns/resolve?domain=hefftools.dev' \
  --header 'X-RapidAPI-Key: <your-rapidapi-key>'

Response (example):

{
  "domain": "hefftools.dev",
  "addresses": [
    {"family": "IPv4", "address": "93.184.216.34"}
  ]
}

Use cases

• Health checks and diagnostics dashboards
• Inventory of DNS and mail routing in internal tools
• Automation that validates DNS before deploying services