Top Level Domain map
https://data.iana.org/TLD/tlds-alpha-by-domain.txt
mark, err := gotldmap.FindByTld("com")
tld, err := gotldmap.FindByMark(165)
package main
import (
"fmt"
"github.com/linkosmos/gotldmap"
)
func main() {
mark, err := gotldmap.FindByTld("com")
if err != nil {
fmt.Println(err)
}
fmt.Println(fmt.Sprintf("TLD %s mark %d", "com", mark))
}