how to construct higher level domains of a domain in elasticsearch pipeline.
example:
input data:
{
"domain": "test.main.site.com"
}
after extracting we have this:
{
"domain": "test.user.site.net",
"higherLevelDomains": [
"test.user.site.net",
"user.site.net",
"site.net",
"net"
]
}