IPKeep v1.0.0-preview.12 — unsigned preview

• Adds authenticated Diagnostics for every permitted hostname, combining Windows observations with tests from Frankfurt and Virginia.
• Adds service presets, local device/port mappings, saved test settings, report history and detailed timings.
• Checks router WAN addresses using read-only UPnP/NAT-PMP, with manual fallback and cautious CGNAT, double-NAT and VPN guidance.
• Adds a bounded local traceroute with hop timings in Full details.
• Respects the selected IP lookup service, skips unsupported IPv6 discovery and never substitutes another provider after failure.
• Supports ipkeep.cloud and checkup247.com alongside existing a.ipkeep.net hosts, and improves button and dropdown layout.