> Source: [sk132032](https://support.checkpoint.com/results/sk/sk132032)

# sk132032 - DNS responses are not translated although DNS NAT is configured

| Property | Value |
|----------|-------|
| Solution ID | sk132032 |
| Date Created | 2018-07-15 |
| Last Modified | 2019-05-07 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |

## Symptoms

- * DNS responses are not translated although DNS NAT is configured (as per [sk34295](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk34295)).
* The following errors are seen when debugging Nat_Rules table:

  ```
  
  ld_get_nat_rule: Failed to get first part for rule xx;
  nat_ip_lookup: ld_get_nat_rule failed for rule number xx;
  fw_xlate_ip_lookup_do: nat_ip_lookup failed;
  ```

## Cause

The automatically generated NAT rules may not be getting applied by the Security Gateway. DNS NAT malfunction for IPV4 when parser encounters an IPV6 record in DNS servers answer.

## Solution

This solution requires authentication. Please log in to view the full solution.

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