Need assistance on my DNS IP address update

[Town of Yampa Clerk]

To no avail - my IT department is not able to get this taken care of due to no reply from Google - 

Can anyone advise who I should contact to get the below taken care of?

We are reaching out to remind you of the DNS related change required to reflect the new IP address associated with your website. To complete this, you may need to contact your IT person or DNS provider.

Here is what that service provider will need to know:

The A record for your website’s domain needs to be modified to reflect the new IP address: 

As an example, you could reach out to your DNS provider, and request assistance in making this change if you don’t have an on-staff IT professional to help you.