Unbounce change history: Newly Added Domains Stuck in "Configuring" State

Unbounce reported a major outage starting 2025-07-21 23:29 UTC: newly added custom domains were stuck in “Configuring,” while existing domains were unaffected. Unbounce attributed the issue to a Let's Encrypt outage affecting new SSL certificates; it was resolved at 2025-07-22 11:51 UTC after 12 h 22 min.