Characters allowed within a hostname but don't change the hostname

if (new URL("https://example.co" + String.fromCodePoint(9) + "m").hostname === 'example.com'){alert(9)}

if (new URL("https://example.co" + String.fromCodePoint(10) + "m").hostname === 'example.com'){alert(10)}

if (new URL("https://example.co" + String.fromCodePoint(13) + "m").hostname === 'example.com'){alert(13)}

if (new URL("https://example.co" + String.fromCodePoint(173) + "m").hostname === 'example.com'){alert(173)}

if (new URL("https://example.co" + String.fromCodePoint(847) + "m").hostname === 'example.com'){alert(847)}

if (new URL("https://example.co" + String.fromCodePoint(6155) + "m").hostname === 'example.com'){alert(6155)}

if (new URL("https://example.co" + String.fromCodePoint(6156) + "m").hostname === 'example.com'){alert(6156)}

if (new URL("https://example.co" + String.fromCodePoint(6157) + "m").hostname === 'example.com'){alert(6157)}

if (new URL("https://example.co" + String.fromCodePoint(6159) + "m").hostname === 'example.com'){alert(6159)}

if (new URL("https://example.co" + String.fromCodePoint(8203) + "m").hostname === 'example.com'){alert(8203)}

if (new URL("https://example.co" + String.fromCodePoint(8288) + "m").hostname === 'example.com'){alert(8288)}

if (new URL("https://example.co" + String.fromCodePoint(8292) + "m").hostname === 'example.com'){alert(8292)}

if (new URL("https://example.co" + String.fromCodePoint(65024) + "m").hostname === 'example.com'){alert(65024)}

if (new URL("https://example.co" + String.fromCodePoint(65025) + "m").hostname === 'example.com'){alert(65025)}

if (new URL("https://example.co" + String.fromCodePoint(65026) + "m").hostname === 'example.com'){alert(65026)}

if (new URL("https://example.co" + String.fromCodePoint(65027) + "m").hostname === 'example.com'){alert(65027)}

if (new URL("https://example.co" + String.fromCodePoint(65028) + "m").hostname === 'example.com'){alert(65028)}

if (new URL("https://example.co" + String.fromCodePoint(65029) + "m").hostname === 'example.com'){alert(65029)}

if (new URL("https://example.co" + String.fromCodePoint(65030) + "m").hostname === 'example.com'){alert(65030)}

if (new URL("https://example.co" + String.fromCodePoint(65031) + "m").hostname === 'example.com'){alert(65031)}