Treasure Ship — market share 2026

esp

According to Live Direct Marketing's daily Tranco top-1M scan (July 12, 2026), Treasure Ship is the email service provider (ESP) for 134 domains — 0.02% of 617,244 SPF-publishing domains. Its strongest TLD is .jp (41.0% of its domains). Detection: include: mechanisms in the SPF record.

134domains

0.02%of SPF-publishing domains

6distinct TLDs

2026-07-12snapshot (updated daily)

Commonly used together with Treasure Ship

What else the same 134 domains use — cross-tabulated from the same daily snapshot (2026-07-12).

Type	Service	Domains	Share of Treasure Ship users
Mailbox	Unknown / Other	46	34.3%
Mailbox	Microsoft 365	27	20.1%
Mailbox	Self-Hosted	23	17.2%
Mailbox	Google Workspace	16	11.9%
Mailbox	Secure.ne.jp (JP)	3	2.2%
Mailbox	Kagoya (JP)	2	1.5%
ESP	Amazon SES	43	32.1%
ESP	BizMatrix	10	7.5%
ESP	Repica WebCAS	8	6.0%
ESP	FSI Email Security	7	5.2%

TLD distribution (top 6 of 6)

jp — 55 (41.0%)

com — 38 (28.4%)

co.jp — 36 (26.9%)

net — 3 (2.2%)

or.jp — 1 (0.7%)

info — 1 (0.7%)

Frequently asked questions

How many domains use Treasure Ship?

134 domains in the Tranco top-1M use Treasure Ship as their email service provider (ESP) as of July 12, 2026, according to Live Direct Marketing's daily DNS scan.

What is Treasure Ship's market share?

Treasure Ship holds 0.02% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-12). The number is recomputed every day.

What are the biggest alternatives to Treasure Ship?

The largest email service provider (ESP)s in the same category by Tranco top-1M share are: Amazon SES, SendGrid (Twilio), Mailgun, Zendesk, Mailchimp (as of 2026-07-12).

Largest email service provider (ESP)s in this category

Amazon SES (6.21%) · SendGrid (Twilio) (4.75%) · Mailgun (4.11%) · Zendesk (3.87%) · Mailchimp (3.69%) · Mandrill (3.36%) · HubSpot (3.18%) · Salesforce (2.62%) · Mailjet (Sinch) (2.13%) · Cloudflare Email Routing (1.80%)

ESP / mailing services portfolio → · Full daily report →

Sending through Treasure Ship? 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)

nishinippon.co.jp24028-net.jpasahi.co.jpelecom.co.jpbandainamco-am.co.jpjins.comdaytona-park.comyamato-gokoro.co.jpsnk-corp.co.jpdragonsshop.infostv.jpzojirushi.co.jpcasio.co.jphibiyakadan.comnoritz.co.jpshiro-shiro.jpletao.jpdonguri-sora.comf-gear.co.jpkutsu.comyamazenbizcom.jplow-ya.commq-onlineshop.comucc.co.jpbruno-onlineshop.comgirlswalker.comcrosslanguage.co.jpsanseido-publ.co.jpzenrin.co.jpminet.jpmiroc.co.jpcoleman.co.jpmanacs.comuv100.jpaoyamaflowermarket.comreedit.jpharrypotter-mahou-dokoro-benelic.comjoyfulhonda.jpito-ya.co.jpmurasaki.jpfujimaki-select.comukai.co.jpmtg.gr.jpgoout.jpchiyodagrp.co.jpirobot-jp.comvixen.co.jpeisai.jpm78-online.netfredperry.jpairweave.jppen-house.netebisumart.comreloclub.jpca4la.comchichi.co.jpkitakaro.comdunlopsports.co.jpendlessmode.jptirewheel-ec.comkogeijapan.comkapital-webshop.jpfithouse.co.jpbio-c-bon.jpkarelcapek.co.jpmxtv.co.jptamaone.jppackstyle.jpkarrimor.jpahkah.jpkoari.netnip-col.jpjunior-onlineshop.jpphiten-store.comnoce.co.jpa-muzu.comtoysapiens.jpsnkplaymore.co.jpobentonet.jpescapers.jphtc-inc.co.jpd-unicharm.jpnhk-charactershop-tokyo.comganguoroshi.jpskitdolce.jpnaillabo.jpandon-jione.commirai-dora-world-online.combiz-hana.comikg-crossing.jphay-japan.comat-contact.jpbairindo.co.jpcozycorner.jpdenpoppo.comeastboy-ec.jperina-t.comevering.jpexpo2027shop.jpformforma.jp

Showing 100 of 134 domains.