According to Live Direct Marketing's daily Tranco top-1M scan (July 25, 2026), WiseStamp is the SaaS sender for 101 domains — 0.02% of 634,220 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
WiseStamp — cloud email-signature management with a server-side stamping and relay service.
We classify it as a SaaS sender 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.
74.3% of its domains sit outside the top 100,000 — a long-tail footprint spread across smaller sites. Its single largest TLD is .com at 71.3% of its domains — a strong concentration across 16 TLDs overall. The service most often seen alongside it is Google Workspace (mailbox provider), on 43.6% of its domains.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 1.0% |
| Top 100,000 | 10 | 9.9% |
| Top 1,000,000 | 75 | 74.3% |
| Unranked | 15 | 14.9% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 72 | 71.3% | |
| .org | 11 | 10.9% | |
| .io | 5 | 5.0% | |
| .team | 1 | 1.0% | |
| .media | 1 | 1.0% | |
| .us | 1 | 1.0% | |
| .co.uk | 1 | 1.0% | |
| .co.il | 1 | 1.0% | |
| .world | 1 | 1.0% | |
| .ro | 1 | 1.0% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 101 domains.
| Type | Service | Domains | Share of WiseStamp users |
|---|---|---|---|
| Mailbox | Google Workspace | 44 | 43.6% |
| Mailbox | Microsoft 365 | 37 | 36.6% |
| Mailbox | Mimecast | 5 | 5.0% |
| Mailbox | Barracuda | 4 | 4.0% |
| Mailbox | Proofpoint Essentials | 3 | 3.0% |
| Mailbox | Proofpoint | 2 | 2.0% |
See the full WiseStamp data page (KPI cards, trend, sample domains) →
101 domains in the Tranco top-1M use WiseStamp as their SaaS sender as of July 25, 2026 (0.02% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
WiseStamp accounts for 0.02% 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.
WiseStamp's largest TLD is .com (71.3% of its domains); it appears across 16 TLDs in total.