route53dump

#!/usr/bin/env python3

# This script dumps a Route53 zone in BIND format

import sys

import boto3
import tabulate

# Create a Route53 client
client = boto3.client('route53')

# Get the zone name from the command line
zone_name = sys.argv[1].rstrip('.')

# Get the zone ID
response = client.list_hosted_zones_by_name(
    DNSName=zone_name,
    MaxItems='1'
)

zone_id = response['HostedZones'][0]['Id']

# Get the zone contents
response = client.list_resource_record_sets(
    HostedZoneId=zone_id
)

# Output the zone contents in bind format
data = []
for record in response['ResourceRecordSets']:
    for value in record['ResourceRecords']:
        data.append({
            'Name': record['Name'],
            'Class': 'IN',
            'Type': record['Type'],
            'TTL': record['TTL'],
            'Value': value['Value']
        })
# use tabulate to print the records in bind format, no headers
print(tabulate.tabulate(data, tablefmt='plain'))