Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
Add your voice to the tech community where 5M+ people just like you are talking about what matters.
|ADFS: AADSTS50107: Requested federation realm object||8||108|
|SPF settings for 3rd party IPs||8||78|
|Exchange: No DNS servers could be retrieved from network adapter that doesn't exist.||6||50|
|Email DNS Issue||2||19|
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