.ngrok.io domains list

What is .ngrok.io TLD

The .ngrok.io TLD, as we analyze it, denotes a platform-governed namespace used to expose local services to the internet. Although technically a subdomain under .io, we profile it as a distinct ecosystem because .ngrok.io domains and .ngrok.io websites behave like a cohesive, measurable zone. Typical use cases include webhook testing, demos, CI/CD previews, and temporary access during development. We currently observe 397 active .ngrok.io domains and 397 live .ngrok.io websites, with 397 having DNS records across 1 countries. This concentration and ephemerality shape traffic patterns, security posture, and availability expectations that differ from general-purpose TLDs. We deliver normalized datasets enabling benchmarking and risk review. Download .ngrok.io domain datasets from webatla.

History and key features of .ngrok.io TLD

Historically, .ngrok.io grew alongside developer tunneling platforms that provision on-demand hostnames mapped to local endpoints. The namespace favors short-lived records, wildcard TLS, and automated issuance, so both .ngrok.io domains and .ngrok.io websites tend to churn faster than conventional zones. In our longitudinal crawl we detected 0 new hostnames last week and 3 in January 2026 overall last month, reflecting measured activity rather than a public registry’s growth. Combined with 397 domains resolving today, this pattern indicates predictable, service-driven dynamics and constrained geographic spread. We surface fingerprints, DNS timelines, and certificate reuse to support inventory, threat modeling, and compliance reviews across toolchains. Download .ngrok.io domain datasets from webatla for benchmarking.

Why and who choose the .ngrok.io domain

Organizations choose the .ngrok.io domain when they need routable, temporary endpoints without registrar workflows or complex firewall changes. Common adopters include individual developers, QA teams, API providers validating webhooks, education labs, and event demos. For observability, we track .ngrok.io domains and .ngrok.io websites at scale, documenting how ephemeral addressing affects uptime, reputation, and asset inventories. Our corpus currently shows 397 domains with DNS responses across 1 countries, with 397 active hostnames supporting 397 live sites at crawl time. These characteristics make the namespace suitable for testing and controlled exposure rather than long-lived production. Download .ngrok.io domain datasets from webatla to analyze usage.