# How to make multiple domains use the same principals?

**URL:** <https://forum.dfinity.org/t/how-to-make-multiple-domains-use-the-same-principals/33869>\
**Category:** JavaScript\
**Created:** [August 5, 2024, 1:25am UTC](https://forum.dfinity.org/t/how-to-make-multiple-domains-use-the-same-principals/33869 "2024-08-05T01:25:14Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![qwertytrewq](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.dfinity.org/qwertytrewq/32/10423_2.png) [@qwertytrewq](https://forum.dfinity.org/u/qwertytrewq)\
**Post date:** [August 5, 2024, 1:25am UTC](https://forum.dfinity.org/t/how-to-make-multiple-domains-use-the-same-principals/33869/1 "2024-08-05T01:25:15Z")

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My app is available both at `smod7-7yaaa-aaaak-qinoq-cai.icp0.io` and `zoncircle.com`.

How to make both domains use the same principals?

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**Author:** ![lshoo](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.dfinity.org/lshoo/32/5847_2.png) [@lshoo](https://forum.dfinity.org/u/lshoo)\
**Post date:** [August 5, 2024, 3:56am UTC](https://forum.dfinity.org/t/how-to-make-multiple-domains-use-the-same-principals/33869/3 "2024-08-05T03:56:50Z")

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yes, The internet identity is bound to the URL, not the canister itself

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**Author:** ![peterparker](https://avatars.discourse-cdn.com/v4/letter/p/b9bd4f/32.png) [@peterparker](https://forum.dfinity.org/u/peterparker)\
**Post date:** [August 5, 2024, 4:24am UTC](https://forum.dfinity.org/t/how-to-make-multiple-domains-use-the-same-principals/33869/4 "2024-08-05T04:24:22Z")

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You can use a derivation origin / alternative origins.

> **[The Internet Identity Specification | Internet Computer](https://internetcomputer.org/docs/current/references/ii-spec/#alternative-frontend-origins)**
>
> Introduction