Cloudflare DNS Zone Export bash script

cloudflare-zone-export.sh

#!/usr/bin/env bash

API_TOKEN="" # Add a valid API key with `DNS: Read` permissions
API_BASE="https://api.cloudflare.com/client/v4"

DOMAIN="$1"

if [[ -z "$DOMAIN" ]]; then
  echo "Usage: $0 <domain>"
  exit 1
fi

cf_api() {
  curl -s \
    -H "Authorization: Bearer $API_TOKEN" \
    -H "Content-Type: application/json" \
    "$@"
}

echo "Looking up Zone ID for $DOMAIN..."

ZONE_ID=$(cf_api \
  "$API_BASE/zones?name=$DOMAIN&status=active" \
  | grep -o '"id":"[^"]*"' \
  | head -n 1 \
  | cut -d'"' -f4)

if [[ -z "$ZONE_ID" ]]; then
  echo "✖ Zone ID not found for $DOMAIN"
  exit 1
fi

echo "✔ Zone ID found: $ZONE_ID"

OUTPUT_FILE="$HOME/Downloads/${DOMAIN}-$(date +%Y%m%d-%H%M%S).zone"

echo "Exporting DNS zone file for $DOMAIN..."

RESPONSE=$(cf_api "$API_BASE/zones/$ZONE_ID/dns_records/export")

if echo "$RESPONSE" | grep -q '"success":false'; then
  echo "✖ Zone file export failed"
  echo "$RESPONSE"
  exit 1
fi

echo "$RESPONSE" > "$OUTPUT_FILE"

echo "✔ Zone file saved to $OUTPUT_FILE"