Suggestion working differently in Verify and SuggestDomain functions

[mardu]

package main

import (
	"fmt"
	emailverifier "github.com/AfterShip/email-verifier"
)

func main() {
	verifier := emailverifier.
		NewVerifier().
		EnableDomainSuggest()

	ret, _ := verifier.Verify("[email protected]")
	fmt.Println("Suggestion 1: ", ret.Suggestion)

	suggestion := verifier.SuggestDomain(ret.Syntax.Domain)
	fmt.Println("Suggestion 2: ", suggestion)
}

Real result

Suggestion 1: 
Suggestion 2:  gmail.com

Expected result:

Suggestion 1:  gmail.com
Suggestion 2:  gmail.com

These two examples should have the same results however the Verify function results an empty suggestion while SuggestDomain function works as expected.

However testing the same code with this example [email protected] has the same result with both cases:

Suggestion 1:  gmal.com
Suggestion 2:  gmal.com

Tested with Go version 1.21