DuoCircle
DuoCircle is a managed service provider based in San Diego, USA. As of 2026 it holds an MRI (MSP Ranking Index) of 37/100, a limited signal, ranked independently by HostList with no paid placements.
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What DuoCircle Discloses
Facts the company has published and HostList has verified. Blanks are informative: a question a host has not answered cannot be answered on its behalf. Completeness measures how much this host discloses, not how good it is.
0 of 28 applicable facts disclosed. Hosts control this section. HostList verifies every entry and never charges for it.
What Customers Say About DuoCircle
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Frequently Asked Questions About DuoCircle
What is DuoCircle's MRI?
DuoCircle has a MRI of 37/100 on HostList.io. MRI is calculated algorithmically from trust signals (Google, Trustpilot, G2), profile completeness, and data freshness. Performance is excluded for managed service providers. Providers can improve their score by claiming their profile, keeping data current, and building verified reviews. No provider can pay to increase their score.
What type of company is DuoCircle?
DuoCircle is listed as a managed service provider (MSP) on HostList.io and ranked by MRI (MSP Ranking Index). Browse the MSP directory at hostlist.io/msp, with methodology at hostlist.io/mri.
Where is DuoCircle based?
DuoCircle is headquartered in San Diego, USA. Managed service providers are also browsable by location at hostlist.io/msp.
How does DuoCircle compare to other managed service providers?
DuoCircle is ranked by MRI with pillars Trust (50), Completeness (25), and Freshness (25). Performance is excluded. Current MRI: 37/100. See hostlist.io/mri for the full methodology and hostlist.io/msp for location rankings.
What's Happening at DuoCircle
DuoCircle is discontinuing Mail Hosting Services and ContinuityEmail effective September 30, 2025, after nearly 20 years of mailbox hosting.
We are excited to announce that DuoCircle has acquired Maysoft's SpamSentinel and Verisend products, a trusted name in email security for over twenty years.
After a July 1 DNS failure of the mailhop.org TLD that ICANN eventually resolved, DuoCircle added redundant DNS to remove single points of failure. The mailhop.org zone is hosted by DYN, with Amazon R
How DuoCircle's Score Is Calculated
MRI (MSP Ranking Index) is calculated algorithmically from public signals: trust (50), profile completeness (25), and freshness (25). Performance is excluded for managed service providers. No MSP can pay to improve their score.
Full methodology โ