Mailstream Limited

United Kingdom · mxrecord.io · 4 vendors

SELECT MAILSTREAM LIMITED operates mxrecord.io, a service that provides tools for checking Mail Exchange (MX) records. MX records are crucial DNS entries that direct email messages to the correct mail servers for a domain, ensuring reliable email delivery and playing a role in email security by identifying legitimate email servers. The company's services are integral to email infrastructure and routing.

Resilience scores

Technology vendors

Services catalogue

1 service in catalogue across 1 category; runs on 4 sub-vendors.

Insights

Last updated 2026-04-13 · revision 7

4 direct vendors, 118 subvendors

Direct vendors by controlling owner country (sample)

Subvendors by controlling owner country (sample)

Migration Readiness: 3/10

Assessed by AI based on technology stack characteristics (cloud-native vs legacy, containerization, microservices), regulatory environment, data residency requirements, financial stability, and vendor lock-in risks. The score ranges from 0-10, where higher scores indicate better readiness for technology migration.

Mailstream Limited demonstrates low migration readiness due to a combination of regulatory complexities, significant vendor lock-in risk, and a critical lack of information regarding its current technological landscape. The regulatory environment poses substantial challenges. As a UK-based company, Mailstream Limited must comply with UK GDPR, which includes stringent data residency requirements for international transfers. Any migration involving data movement outside the UK would necessitate careful assessment of adequacy decisions or implementation of appropriate safeguards (e.g., Standard Contractual Clauses), adding significant complexity and potential delays. The 'Assessment Required' status for GDPR, SOC2, and ISO 27001 also implies that the company may not have the necessary frameworks in place to ensure continuous compliance during and after a migration, increasing risk. The vendor relationships, despite the contradictory 'Total Vendors: 0' statement, indicate a high risk of vendor lock-in. With 'Total Services: 12' and all vendors originating from a single country (United States), there is a strong indication of a highly concentrated vendor base. This lack of vendor diversity and geographic concentration suggests that the company is heavily reliant on a limited number of providers, making it difficult and potentially costly to switch services or migrate away from these dependencies. This high vendor lock-in will significantly impede flexibility and increase the effort required for any migration initiative. Crucially, there is no available data on the company's internal tech stack (e.g., cloud-native vs. legacy, containerization, microservices). This absence of information makes it impossible to assess the technical feasibility, effort, and cost associated with a migration. Without understanding the current architecture, planning an efficient and effective migration is severely hampered. Similarly, the lack of financial stability data prevents an assessment of the company's ability to fund a potentially complex and costly migration. In summary, the combination of complex regulatory and data residency requirements, high vendor lock-in risk, and a profound lack of technical and financial transparency places Mailstream Limited in a position of low migration readiness.

Compliance

4 in-scope frameworks identified; showing 3.

GDPR (source) — Assessment Required

GDPR applies to UK companies post-Brexit through UK GDPR implementation. High risk due to severe financial penalties (up to 4% of annual turnover or £17.5M), reputational damage, and operational disruption. UK has active enforcement through ICO with significant fines issued regularly. Any company processing personal data faces high compliance risk without proper data protection measures.

UK Data Protection Act 2018 — Assessment Required

UK DPA 2018 is mandatory for all UK companies processing personal data. High risk due to significant penalties (up to £17.5M or 4% of turnover), ICO enforcement activity, and operational impact. UK has active regulatory enforcement with substantial fines issued regularly across all sectors.

SOC 2 (source) — Assessment Required

SOC2 is relevant for service providers handling customer data, particularly in cloud/technology services. Medium risk as it's voluntary but increasingly expected by enterprise customers. Non-compliance can result in loss of business opportunities and customer trust, though no direct regulatory penalties exist.

Financials

Three-year financials

Financial Resilience Score: null/10

Insufficient financial data was retrieved from the research process to assess Mailstream Limited (mxrecord.io). The research attempted to source data from the company website, Companies House filings, and third-party financial databases, but no concrete financial figures were returned. Without revenue, profit, equity, or cash flow data, a meaningful resilience score cannot be assigned. As a small private UK company, limited public disclosure is expected, but even basic filing data was unavailable from the sources consulted. Any score assigned without underlying data would be speculative and unreliable.

Risk factors: No financial data available to assess solvency or liquidity, Small private company with limited public disclosure obligations, Unable to verify revenue trajectory, profitability, or equity position, Research sources including Companies House returned no retrievable filings

Signed-in users can see whether their own company is exposed to this vendor's disruption, plus the full sub-vendor list and country breakdowns, every in-scope compliance framework plus gaps and next steps, and alerts when any of it changes.

View the full interactive report