Fixes to external address checker

[jeffyzxc]

All Submissions

• [ ] Can you post a screenshot of your changes (if applicable)?

New Feature Submissions

• [ ] Does this relate to an existing issue, or has it been talked about prior to being done (if a major change)?

Notes

Please note, your code must pass all tests and lint checks before it can be merged.

PR Description

Testing

Has the code been tested, or does it need double checking?