Host-H (BG) email service provider (ESP)
According to Live Direct Marketing's daily Tranco top-1M scan (September 22, 2026), Host-H (BG) is the email service provider (ESP) for 302 domains — 0.05% of 637,585 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Key facts
- 302 domains in the Tranco top-1M use Host-H (BG) (0.05% of SPF-publishing domains).
- Snapshot date: 2026-09-22 — recomputed every day.
- Strongest TLD: .co.za (76.5% of its domains).
- Region skew: Other.
- Most co-used service: Self-Hosted.
- Directory category: mailbox provider.
Why Host-H (BG) appears in this category
Bulgarian Host-H shared hosting outbound.
We classify it as a mailbox provider from include: mechanisms in the SPF record matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
Host-H (BG) is an email service provider identified through SPF include mechanisms in DNS records, predominantly serving smaller websites and regional sites rather than major global brands. The provider is concentrated within the .co.za namespace, where it forms one component of regional email infrastructure choices.
When Host-H (BG) appears in an organisation's SPF record, it indicates a long-tail, regionally-focused sender deployment, often paired with self-hosted mail infrastructure. For deliverability professionals, this footprint pattern signals that reputation assessment, filtering behaviour, and testing prioritisation should reflect the provider's regional scope and smaller scale compared to mainstream global ESPs.
Where Host-H (BG) sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.3% |
| Top 100,000 | 11 | 3.6% |
| Top 1,000,000 | 286 | 94.7% |
| Unranked | 4 | 1.3% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .co.za | 231 | 76.5% | |
| .com | 28 | 9.3% | |
| .za | 15 | 5.0% | |
| .org | 9 | 3.0% | |
| .africa | 4 | 1.3% | |
| .info | 3 | 1.0% | |
| .net | 2 | 0.7% | |
| .sz | 2 | 0.7% | |
| .mobi | 2 | 0.7% | |
| .online | 1 | 0.3% |
What Host-H (BG) users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 302 domains.
| Type | Service | Domains | Share of Host-H (BG) users |
|---|---|---|---|
| Mailbox | Self-Hosted | 212 | 70.2% |
| Mailbox | Microsoft 365 | 35 | 11.6% |
| Mailbox | Google Workspace | 22 | 7.3% |
| Mailbox | Mimecast | 13 | 4.3% |
| Mailbox | Unknown / Other | 8 | 2.6% |
| Mailbox | Host-H (BG) | 7 | 2.3% |
| ESP | Mailchimp | 17 | 5.6% |
| ESP | Mimecast | 14 | 4.6% |
| ESP | Mailgun | 11 | 3.6% |
| ESP | Mailjet (Sinch) | 7 | 2.3% |
Regional ESP integration with self-hosted configurations
Host-H (BG) typically appears not as a standalone email solution but as part of a hybrid infrastructure model combining managed email services with on-premise mail systems. This pattern is common in regional deployments where organisations balance cost, control, and compliance requirements. Understanding this provider's footprint is relevant for those auditing sender configurations across regional markets or testing email routing behaviour when recipients use mixed infrastructure setups.
See the full Host-H (BG) data page (KPI cards, trend, sample domains) →
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Frequently asked questions
What is Host-H (BG) used for?
Host-H (BG) is a regional email service provider serving smaller sites and long-tail deployments, particularly in South Africa; it typically operates as part of a hybrid infrastructure alongside self-hosted mail systems.
How many domains use Host-H (BG)?
302 domains in the Tranco top-1M use Host-H (BG) as their email service provider (ESP) as of September 22, 2026 (0.05% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Is Host-H (BG) common enough to affect email deliverability testing?
Host-H (BG) accounts for 0.05% of SPF-publishing domains in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.
Which countries or TLDs use Host-H (BG) most?
Host-H (BG)'s largest TLD is .co.za (76.5% of its domains); it appears across 15 TLDs in total.