Cannot verify custom domain ownership if specific DNS queries are blocked.

[actuallyatiger]

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Prerequisites

• I have searched open and closed issues to make sure that the bug has not yet been reported.

Bug report

Describe the bug
During verifying ownership of a domain (with the TXT sl-verification record), the domain cannot be verified if you are behind a router/firewall that blocks specific DNS queries. Likely could also be blocking MX, SPF, DMARC etc records.

Expected behavior
Let's you verify domain ownership.

Screenshots
If applicable, add screenshots to help explain your problem.

Environment (If applicable):

• OS: Windows
• Browser: Chrome
• Version: 130.0.6723.117 (Official Build) (64-bit) (cohort: Stable)