Dimension scores are derived from public data and fields; weighted into the composite. Reference only.
roughtime.se is a public Stratum 1 Roughtime time synchronization server implementing Roughtime draft-15. The page states that the service is hosted by STUPI AB, with the server directly connected to an atomic clock tracking the UTC time scale. It is primarily aimed at developers who need time synchronization, timestamp processing, and testing and development of Roughtime protocol software.
From a developer tools perspective, it is not a complete SaaS platform, but rather a protocol-level infrastructure service. The Roughtime service address is roughtime.se, port 2002, and it publicly discloses the long-term public key S3AzfZJ5CjSdkJ21ZJGbxqdYP/SoE8fXKY0+aicsehI=. This public key can also be obtained via the DNS TXT record of roughtime.se, facilitating automated client configuration or verification. For testing and troubleshooting purposes, the service also runs an NTS-enabled NTP server on port 123, which is valuable for engineering teams simultaneously verifying traditional NTP/NTS and Roughtime behaviors.
The page states it can be used freely on demand, with no mention of charges, plans, account registration, or payment methods, so it can be considered a free public service. However, the main text does not specify whether the server-side implementation is open source, nor does it provide self-hosting deployment options, images, source code repositories, or deployment documentation. For teams looking to incorporate Roughtime capabilities into production-critical paths, they need to independently assess availability, rate limiting, and long-term maintenance risks.
The pros are the high-level time source (directly connected to an atomic clock), clear access parameters, and the simultaneous provision of Roughtime and NTS-enabled NTP, making it suitable for protocol development, interoperability testing, and time security experiments. The cons are also obvious: the page information is very brief, with no SLA, monitoring status, sample code, SDK, client configuration tutorials, or scope of support; only a feedback email ([email protected]) is visible, making it impossible to judge the service support capabilities.
It is suitable for Roughtime client implementers, security researchers, network time synchronization engineers, and teams needing to test timestamp credibility. There is no information in the main text regarding access from mainland China; actual connectivity, UDP port reachability, and DNS TXT query stability require real-world testing. Payment is not an issue since no paid entry points are provided. Alternative solutions include other public Roughtime services, Cloudflare or Google's time services, public NTP/NTS servers, or self-building time synchronization infrastructure using solutions like Chrony or NTPsec.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on roughtime.se official site.
roughtime.se is an Sweden Dev Tools provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach roughtime.se directly.