Alternate Access Mapping and Sharepoint Search Content Source Crawling
If we have Alternate Access Mapping then we should NOT applied URLs from Zone other than Default Zone in Search Content Source setting and in Search Zone setting.
We have AAM in Intranet zone, like below:
Then in Content Source definition just put the URL in Default Zone, like below:
that also applied in Search Scope, like below:
Note: this is correction for this original post where I stated contrarily. Sorry for that . And don’t worry about this correction cause I’ve proved myself.
Here is my reference: