Add TXT and CAA records for Crossfeed integration domain

[cduhn17]

Update domain name for integration

🗣 Description

We need to add the integration domain name and issue letsencrypt ssl certificates. There is a need for both a TXT record and CAA record

💭 Motivation and context

There are no existing ACME certs

✅ Pre-approval checklist

• This PR has an informative and human-readable title.
• Changes are limited to a single goal - eschew scope creep!
• All relevant type-of-change labels have been added.
• I have read the CONTRIBUTING document.
• These code changes follow cisagov code standards.
• All relevant repo and/or project documentation has been updated
  to reflect the changes in this PR.
• All new and existing tests pass.

[cduhn17]

@dav3r ,
When you get a chance to take a look. I have certbot awaiting this change. Thanks

[dav3r]

@dav3r , When you get a chance to take a look. I have certbot awaiting this change. Thanks

@cduhn17 Once you address my suggestion, I can apply this change for you so that you can verify it.

[cduhn17]

I applied your suggestions

[dav3r]

I applied this change and created the new TXT record. Please confirm if all is well and I will approve this PR.

[cduhn17]

It failed. I had to add a CAA record and modify the cerbot value.

[dav3r]

I just reapplied the TXT and CAA records - please let us know the result.

[dav3r]

LGTM

[dav3r]

@cduhn17 Can you please update the title and description to reflect the current state of this PR? Is everything looking good from your end or are there further changes needed?

[cduhn17]

@dav3r ,

The certificates were created successfully. Thanks for your assistance and I will update the description to include the CAA record addition