Ex Libris email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), Ex Libris is the SaaS sender for 306 domains — 0.05% of 631,089 SPF-publishing domains. Its strongest TLD is .edu (31.7% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-11 DNS snapshot.
What Ex Libris represents in this dataset
Ex Libris — academic library cloud (ProQuest).
Directory category: Saas. The classification comes from include: mechanisms in the SPF record. It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
What the 2026-09-11 snapshot shows about Ex Libris
Across 49 distinct TLDs its top three are .edu (31.7%), .at (7.2%), .no (6.9%) — together 45.8% of the 306 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Microsoft 365 (Mailbox, 196 domains, 64.1% of them), followed by Google Workspace (11.8%). Directly comparable by the same detection rule: Shopify, Pardot (Salesforce), CodeTwo Email Signatures 365. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-11); a domain appears here when its published records match the include: mechanisms in the SPF record rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with Ex Libris
What else the same 306 domains use — cross-tabulated from the same daily snapshot (2026-09-11).
| Type | Service | Domains | Share of Ex Libris users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 196 | 64.1% |
| Mailbox | Google Workspace | 36 | 11.8% |
| Mailbox | Self-Hosted | 28 | 9.2% |
| Mailbox | Unknown / Other | 13 | 4.2% |
| Mailbox | RENATER (FR academic) | 7 | 2.3% |
| Mailbox | Barracuda | 7 | 2.3% |
TLD distribution (top 30 of 49)
Frequently asked questions
How many domains use Ex Libris?
306 domains in the Tranco top-1M use Ex Libris as their SaaS sender as of September 11, 2026, according to Live Direct Marketing's daily DNS scan.
What is Ex Libris's market share?
Ex Libris holds 0.05% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-11). The number is recomputed every day.
What are the biggest alternatives to Ex Libris?
The largest SaaS senders in the same category by Tranco top-1M share are: Shopify, Pardot (Salesforce), CodeTwo Email Signatures 365, KnowBe4, Statuspage (Atlassian) (as of 2026-09-11).
Largest SaaS senders in this category
Shopify (0.86%) · Pardot (Salesforce) (0.74%) · CodeTwo Email Signatures 365 (0.70%) · KnowBe4 (0.53%) · Statuspage (Atlassian) (0.32%) · Trustpilot (0.29%) · Firebase (Google) (0.29%) · BigCommerce (0.29%) · Atlassian (Jira/Confluence) (0.28%) · Lark / Feishu (0.20%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 306 domains.