According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), pair Networks pairlist is the SaaS sender for 207 domains — 0.03% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
pair Networks pairlist is a SaaS email-sending platform operated by pair Networks. It allows domain owners to send mail through pair Networks' infrastructure, and is detected in email authentication records via SPF include mechanisms, typically as include:pairlist.pair.com.
pairlist's footprint is concentrated among smaller sites, predominantly in the .com namespace, and is often found alongside other pair Networks services. For senders and receivers alike, this long-tail distribution means less frequent encounters with pairlist compared to larger platforms, but proper authentication alignment—SPF, DKIM, and DMARC—remains essential for mail delivery regardless of platform size or prominence.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 18 | 8.7% |
| Top 1,000,000 | 155 | 74.9% |
| Unranked | 34 | 16.4% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 136 | 65.7% | |
| .org | 39 | 18.8% | |
| .net | 16 | 7.7% | |
| .info | 2 | 1.0% | |
| .to | 1 | 0.5% | |
| .at | 1 | 0.5% | |
| .contractors | 1 | 0.5% | |
| .tv | 1 | 0.5% | |
| .com.hk | 1 | 0.5% | |
| .ca | 1 | 0.5% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 207 domains.
| Type | Service | Domains | Share of pair Networks pairlist users |
|---|---|---|---|
| Mailbox | pair Networks | 171 | 82.6% |
| Mailbox | Unknown / Other | 19 | 9.2% |
| Mailbox | Google Workspace | 6 | 2.9% |
| Mailbox | Microsoft 365 | 4 | 1.9% |
| Mailbox | Generic / unmatched (mx*.*) | 2 | 1.0% |
| Mailbox | Self-Hosted | 2 | 1.0% |
pairlist appears in SPF records as an include mechanism, authorising pair Networks' sending IP ranges to dispatch mail on behalf of a domain. The presence of an SPF include creates a reputation link: the quality and behaviour of mail sent through pairlist's infrastructure reflects on both the domain and the platform. Senders using pairlist must ensure DKIM is signed consistently and DMARC policy is set appropriately, as receiving systems rely on the full authentication chain to evaluate mail legitimacy.
See the full pair Networks pairlist data page (KPI cards, trend, sample domains) →
pair Networks pairlist is an email-sending service from pair Networks; you add it to your SPF record only if you actively send mail through their platform. If you do, include <code>include:pairlist.pair.com</code> to authorise their sending servers.
207 domains in the Tranco top-1M use pair Networks pairlist as their SaaS sender as of July 13, 2026 (0.03% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
pair Networks pairlist accounts for 0.03% 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.
pair Networks pairlist's largest TLD is .com (65.7% of its domains); it appears across 18 TLDs in total.