k.io (workspace) — market share 2026

saas

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), k.io (workspace) is the SaaS sender for 380 domains — 0.06% of 617,702 SPF-publishing domains. Its strongest TLD is .com (30.8% of its domains). Detection: include: mechanisms in the SPF record.

380domains

0.06%of SPF-publishing domains

41distinct TLDs

2026-07-13snapshot (updated daily)

Commonly used together with k.io (workspace)

What else the same 380 domains use — cross-tabulated from the same daily snapshot (2026-07-13).

Type	Service	Domains	Share of k.io (workspace) users
Mailbox	Krystal Hosting (UK)	151	39.7%
Mailbox	Microsoft 365	68	17.9%
Mailbox	Generic / unmatched (mx.)	67	17.6%
Mailbox	Google Workspace	46	12.1%
Mailbox	Self-Hosted	11	2.9%
Mailbox	Unknown / Other	7	1.8%

TLD distribution (top 30 of 41)

com — 117 (30.8%)

co.uk — 109 (28.7%)

net — 23 (6.1%)

org.uk — 22 (5.8%)

org — 21 (5.5%)

io — 15 (3.9%)

uk — 10 (2.6%)

nl — 8 (2.1%)

dk — 8 (2.1%)

tv — 3 (0.8%)

info — 3 (0.8%)

co.il — 3 (0.8%)

co — 3 (0.8%)

ac.uk — 2 (0.5%)

ru — 2 (0.5%)

de — 2 (0.5%)

se — 2 (0.5%)

com.au — 2 (0.5%)

fr — 2 (0.5%)

qa — 2 (0.5%)

ng — 1 (0.3%)

shop — 1 (0.3%)

pt — 1 (0.3%)

gr — 1 (0.3%)

es — 1 (0.3%)

gg — 1 (0.3%)

il — 1 (0.3%)

bible — 1 (0.3%)

com.tr — 1 (0.3%)

games — 1 (0.3%)

Frequently asked questions

How many domains use k.io (workspace)?

380 domains in the Tranco top-1M use k.io (workspace) as their SaaS sender as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.

What is k.io (workspace)'s market share?

k.io (workspace) holds 0.06% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-13). The number is recomputed every day.

What are the biggest alternatives to k.io (workspace)?

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 2026-07-13).

Largest SaaS senders in this category

Shopify (0.87%) · Pardot (Salesforce) (0.79%) · CodeTwo Email Signatures 365 (0.71%) · KnowBe4 (0.56%) · Statuspage (Atlassian) (0.34%) · Trustpilot (0.30%) · Atlassian (Jira/Confluence) (0.30%) · Firebase (Google) (0.29%) · BigCommerce (0.22%) · Lark / Feishu (0.21%)

SaaS senders portfolio → · Full daily report →

Sending through k.io (workspace)? Check whether your messages actually reach the inbox at Gmail, Outlook, Yandex and Mail.ru — free inbox placement test.

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Domain sample (top 100 by Tranco rank)

betking.com esxdos.orgcomscore.comtravelline.ruthenewstack.iokrystal.co.ukaafa.orgtheecologist.orgxink.iouniversal-robots.comjustclick.rukrystal.ukknak.ioforbestravelguide.comskillsyouneed.comairgunforums.co.ukdragonpassuk.comcouponbirds.comone-name.netkrystal.iointertoys.nlfree-anatomy-quiz.comcloudhosting.ukalzint.orgkatapult.iomovie-locations.comshkspr.mobibacb.comedu.gov.qacloudhosting.co.ukkorendy.com.trextinctionrebellion.ukdla.nlbefrienders.orgmycpanelcloud.co.ukcontactanycelebrity.comtyk.iouksrv.co.ukesmark.dkhashtag-learning.co.ukcarex.comscatbooru.co.ukbmwland.org.ukcloudhosting.netbankless.comretailtimes.co.ukhtml5doctor.comucu.org.uknsra.org.ukjapari-library.comtheedinburghreporter.co.ukkerkdienstgemist.nlmeccanoindex.co.uknavylookout.comreshet.tvafas.nlcaffmoscommunity.comwinnerwinnerchickendinner.co.ukrebellion.earthtmbc.comsimyo.nlbridgerkay.comcncinternet.co.ukpedelecs.co.uklauritz.comnicehair.dkdevelopingtelecoms.comliteraryreview.co.ukfriendsoffulham.comonyx.iosmarthosting.co.ukbetting.betcegal.comnaturalbabyshower.co.ukuksrv.ukherodesk.iodynamicservers.co.ukk.ioloopedin.iojbs.orgkateraworth.commazdamenders.netspendless.com.auhobbyco.netwhaletail-forum.comlegohouse.comeaie.orgthe5krunner.commegatenwiki.comatechmedia.comsportsinjuryclinic.netnormann-copenhagen.comblue-earth.co.ukhurtta.cominkbotdesign.comnexusstem.co.ukxperiablog.netbritishcornershop.co.uktonyelumelufoundation.orgbreweryhistory.com

Showing 100 of 380 domains.