# Example queries for Route 53 resolver query logs
<a name="route53_1_0-query-examples-sourceversion2"></a>

Amazon Route 53 resolver query logs track DNS queries made by resources within your Amazon VPC. Subscribers can query Route 53 resolver query logs to learn the following types of information:

Here are some example queries for Route 53 reesolver query logs for AWS source version 2:

**List of DNS queries from CloudTrail in the last 7 days**

```
SELECT 
    time_dt,
    src_endpoint.instance_uid,
    src_endpoint.ip,
    src_endpoint.port,
    query.hostname,
    rcode
FROM "amazon_security_lake_glue_db_us_east_1"."amazon_security_lake_table_us_east_1_route53_2_0"
WHERE time_dt BETWEEN CURRENT_TIMESTAMP - INTERVAL '7' DAY AND CURRENT_TIMESTAMP 
ORDER BY time DESC
LIMIT 25
```

**List of DNS queries that match `s3.amazonaws.com` in the last 7 days**

```
SELECT 
    time_dt,
    src_endpoint.instance_uid,
    src_endpoint.ip,
    src_endpoint.port,
    query.hostname,
    rcode,
    answers
FROM "amazon_security_lake_glue_db_us_east_1"."amazon_security_lake_table_us_east_1_route53_2_0"
WHERE query.hostname LIKE 's3.amazonaws.com.' and time_dt BETWEEN CURRENT_TIMESTAMP - INTERVAL '7' DAY AND CURRENT_TIMESTAMP
ORDER BY time DESC
LIMIT 25
```

**List of DNS queries that didn't resolve in the last 7 days**

```
SELECT 
    time_dt,
    src_endpoint.instance_uid, 
    src_endpoint.ip, 
    src_endpoint.port, 
    query.hostname, 
    rcode, 
    answers
FROM "amazon_security_lake_glue_db_us_east_1"."amazon_security_lake_table_us_east_1_route53_2_0"
WHERE cardinality(answers) = 0 and time_dt BETWEEN CURRENT_TIMESTAMP - INTERVAL '7' DAY AND CURRENT_TIMESTAMP
LIMIT 25
```

**List of DNS queries that resolved to `192.0.2.1`** in the last 7 days

```
SELECT 
    time_dt,
    src_endpoint.instance_uid, 
    src_endpoint.ip, 
    src_endpoint.port, 
    query.hostname, 
    rcode, 
    answer.rdata
FROM "amazon_security_lake_glue_db_us_east_1"."amazon_security_lake_table_us_east_1_route53_2_0",
UNNEST(answers) as st(answer)
WHERE answer.rdata='192.0.2.1' 
AND time_dt BETWEEN CURRENT_TIMESTAMP - INTERVAL '7' DAY AND CURRENT_TIMESTAMP
LIMIT 25
```