Q. Do you have any ways to check if a record for sender domain authentication has been registered correctly?
Although IIJ does not provide any such method, the following external website provides a checking tool.
- なりすまし対策ポータル ナリタイ (Japanese Only)
Note that IIJ does not provide any information on the above website and any support for the use of the checking tool.
IIJ is not responsible for any content you have obtained from the above website and results you have obtained through the use of the checking tool. Use the checking tool at your own risk.