super.admin.gmail.google.com
\_______________/ \____/ \_/
record domain tld
Usage:
d := godomain.Parse("super.admin.gmail.google.com")
fmt.Println(d) // print: super.admin.gmail.google.com
fmt.Println(d.Tld()) // print: com
fmt.Println(d.Domain()) // print: google.com
fmt.Println(d.Record()) // print: super.admin.gmail