Lark / Feishu email provider statistics and deliverability context
← Email Stats homesaas
According to Live Direct Marketing's daily Tranco top-1M scan (September 14, 2026), Lark / Feishu is the SaaS sender for 1,299 domains — 0.20% of 637,677 SPF-publishing domains. Its share has been stable over the last 30 days. Its strongest TLD is .com (56.0% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-14 DNS snapshot.
What Lark / Feishu represents in this dataset
Lark (Feishu in China) — ByteDance collaboration suite combining chat, docs, calendar and email for enterprises.
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 2026-09-14 snapshot shows about Lark / Feishu
Across 102 distinct TLDs its top three are .com (56.0%), .ai (7.5%), .cn (3.7%) — together 67.3% of the 1,299 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Lark / Feishu (ByteDance) (Mailbox, 1,219 domains, 93.8% of them), followed by Google Workspace (2.8%). Its share of SPF-publishing domains has not moved measurably in 30 days. 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 (2026-09-14); 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 Lark / Feishu
What else the same 1,299 domains use — cross-tabulated from the same daily snapshot (2026-09-14).
| Type | Service | Domains | Share of Lark / Feishu users |
|---|---|---|---|
| Mailbox | Lark / Feishu (ByteDance) | 1,219 | 93.8% |
| Mailbox | Google Workspace | 36 | 2.8% |
| Mailbox | Microsoft 365 | 12 | 0.9% |
| Mailbox | Unknown / Other | 9 | 0.7% |
| Mailbox | Self-Hosted | 8 | 0.6% |
| Mailbox | QQ Mail (Tencent) | 5 | 0.4% |
TLD distribution (top 30 of 102)
Frequently asked questions
How many domains use Lark / Feishu?
1,299 domains in the Tranco top-1M use Lark / Feishu as their SaaS sender as of September 14, 2026, according to Live Direct Marketing's daily DNS scan.
What is Lark / Feishu's market share?
Lark / Feishu holds 0.20% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-14). The number is recomputed every day.
Is Lark / Feishu growing or declining?
Lark / Feishu's share has been stable over the last 30 days (±0.01 pp).
What are the biggest alternatives to Lark / Feishu?
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 2026-09-14).
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 (0.28%) · Atlassian (Jira/Confluence) (0.28%) · Sage Intacct (0.18%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 1,299 domains.