# Changelog of MX Record Checker (`automation-lab/mx-record-checker`) Actor

- **URL**: https://apify.com/automation-lab/mx-record-checker/changelog.md
- **Full Actor documentation**: https://apify.com/automation-lab/mx-record-checker.md

## Changelog

This changelog highlights releases that materially changed MX Record Checker for users. Dates use UTC; routine maintenance is intentionally omitted.

### 2026-09-04

*Reliability*

- Added bounded concurrent MX lookups, deterministic domain normalization and deduplication, a 1,000-domain batch limit, per-domain timeout isolation, and machine-readable result statuses. Duplicate and invalid values are no longer queried or charged.

### 2026-07-05

*Pricing*

- Converted start and domain-check charges to tiered pricing while keeping the existing prices unchanged across all tiers.

### 2026-06-20

*Features*

- Added public task examples so users can start common MX record checking workflows faster.

### 2026-03-01

*Features*

- Initial release for checking MX records in bulk, sorting mail servers by priority, and detecting common email providers.