dnsmon

This dnsmon tool get's information about a domainname from DNS, and looks for changes with the previous lookup.

To start with, I only want to look for changes in:

• The serial in the SOA record to see if there was any update
• MX records for mailserver changes
• NS records to see if the nameserver has changed

Run thit tool

Issue the following command to run this tool.

dnsmon -config config.yaml

The configuration

Here is an example configuration to use.

---
contact: Somebody 
output: output/
resolver1: 8.8.8.8
resolver2: 1.1.1.1
domains:
- name: domainx.com
- name: domainy.com
- name: domainz.nl

Early example run