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    Characters allowed at IPv6 but don't change the hostname

    Firefox logo 3
    Safari logo 1
    Chrome logo 3

    Checks what characters can be used as valid IPv6 hostname

    Created by: d0ge

    Created on: Monday, June 10, 2024 at 8:29:10 AM

    Updated on: Wednesday, February 26, 2025 at 5:56:07 AM

    Vector type: JS

    Vector charset: UTF-8

    Template used:
    if (new URL("https://" + String.fromCodePoint($[i]) + "::ffff:7f00:1]/").hostname === '[::ffff:7f00:1]'){log($[i])}
    Your browser was detected as:
    Detecting... Detecting... Detecting... Detecting...

    Sample payloads

    if (new URL("https://" + String.fromCodePoint(91) + "::ffff:7f00:1]/").hostname === '[::ffff:7f00:1]'){alert(91)}
    if (new URL("https://" + String.fromCodePoint(65095) + "::ffff:7f00:1]/").hostname === '[::ffff:7f00:1]'){alert(65095)}
    if (new URL("https://" + String.fromCodePoint(65339) + "::ffff:7f00:1]/").hostname === '[::ffff:7f00:1]'){alert(65339)}

    Fuzz results

    Firefox logo
    Firefox 126.0 desktop macOS 10.15

    Updated

    Mon Jun 10 2024
    Found 3 results
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    Safari logo
    Safari 17.5 desktop macOS 10.15.7

    Updated

    Mon Jun 10 2024
    Found 1 result
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    Chrome logo
    Chrome 125.0.0.0 desktop macOS 10.15.7

    Updated

    Mon Jun 10 2024
    Found 3 results
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