stalw.art Stalwart
documentation Communications Open source projects 52 ✓
xeams.com Xeams
documentation Communications Cybersecurity US 48 ✓
zentyal.com Zentyal
transactional Infrastructure PL 49 ✓
flynet.pro Flynet — Managed Email Server for Cold Outreach
transactional Communications Marketing 47 ✓
vboxx.eu vBoxx
transactional Cybersecurity Infrastructure +2 NL 50 ✓ ✓
samotpravil.ru SaM oTPravil
interface Marketing Communications +1 RU 48 ✓
akomodix.swiss Akomodix
documentation Productivity Communications CH 55 ✓
atakdomain.com Atak Domain
transactional Infrastructure 60 ✓
countdownmail.com CountdownMail
46 ✓
supermonitoring.com Super Monitoring - powerful, yet easy-to-use website monitoring
transactional DevOps and observability 51 ✓
mxroute.com MXroute
informational Communications US 52 ✓
duocircle.com DuoCircle
documentation Cybersecurity Communications US 55 ✓ ✓
cloudfly.vn CloudFly - Công ty Cổ phần CloudFly
transactional Infrastructure VN 53 ✓ ✓
unaone.net unaone imc services: webhosting \- internet \- service
transactional Infrastructure DE 58 ✓
rupost.ru RuPost — Corporate Email Server
documentation Communications Business software RU 46 ✓
mailflowmonitoring.com MailFlow Monitoring
documentation DevOps and observability 51 ✓ ✓
linux-help.org Linux-Help.org
documentation Documentation and reference 47 ✓
3rhost.pt 3rHost Base de conhecimento
documentation Infrastructure Documentation and reference PT 53 ✓ ✓
operavps.com Operavps
documentation Developer tools Infrastructure 46 ✓
turkticaret.net Turkticaret.Net - Hosting, Domain, Kurumsal E-Posta ve Cloud Altyapı Sağlayıcısı
transactional Infrastructure TR 65 ✓ ✓
mailchannels.com MailChannels
interface Infrastructure AI and machine learning +1 US 49 ✓
sparkpostmail.com Email API for developers
61 ✓ ✓
alinto.com Alinto
documentation Communications FR 52 ✓
hurra.com encoding: UTF-8
DE 49 ✓
server.it Server.IT — Virtual Solution S.r.l.
transactional Infrastructure IT 46 ✓
codetwo.com CodeTwo
transactional Business software Communications US 56 ✓
fimgohost.com Fimgohost
transactional Infrastructure 53 ✓ ✓
cid.net CID - christliche internet dienst GmbH
documentation Infrastructure DE 52 ✓
kaspersky.co.jp Kaspersky | グローバルなサイバーセキュリティ & デジタルプライバシー ソリューション
transactional Cybersecurity JP 51 ✓
wpmailsmtp.com WP Mail SMTP
documentation Marketing Developer tools +1 54 ✓
bitraid.ru «БитРейд» Санкт\-Петербург: ИТ\-аутсорсинг в Санкт\-Петербурге от компании Bitraid
documentation Business software Infrastructure RU 48 ✓
scribe-mail.com Scribe Mail: Email Signature Management Built for Teams & AI Agents
interface AI and machine learning Business software +2 49 ✓
asumetech.com asumetech
informational DE 46 ✓
mailsac.com Mailsac
interface Developer tools APIs and SDKs 50 ✓
frankysweb.de Frankys Web: Microsoft Exchange und Active Directory Blog
documentation Personal sites and blogs DE 50 ✓
mailsbestfriend.com Mails Best Friend
transactional Communications Cybersecurity US 47 ✓
kaspersky.fr Kaspersky | Solutions mondiales de cybersécurité et de protection de la vie privée numérique
transactional Cybersecurity FR 59 ✓
kaspersky.es Kaspersky | Soluciones globales de ciberseguridad y privacidad digital
transactional Cybersecurity ES 52 ✓
gigaserver.cz GIGASERVER.CZ
interface Infrastructure CZ 65 ✓ ✓
spacemail.com Spacemail
documentation Productivity Communications 60 ✓ ✓
kaspersky.it Kaspersky | Soluzioni globali di cybersicurezza e privacy digitale
transactional Cybersecurity IT 52 ✓
reddoxx.com REDDOXX: E\-Mail\-Archivierung, E\-Mail\-Verschlüsselung, Spamschutz
documentation Cybersecurity Communications DE 55 ✓
kaspersky.com.tr Kaspersky | Küresel Siber Güvenlik ve Dijital Gizlilik Çözümleri
transactional Cybersecurity TR 51 ✓
kaspersky.se Kaspersky | Globala cybersäkerhets- och digitala integritetslösningar
transactional Cybersecurity SE 47 ✓
wk.se Webbkonsulterna AB
documentation Infrastructure SE 47 ✓
beyazhosting.com Beyaz Hosting
transactional Infrastructure 47 ✓
netoxygen.ch Net Oxygen Sàrl
documentation Infrastructure CH 48 ✓
vhosting.com VHosting®
documentation 46 ✓
mscs.ru MSCS · Managed Security & Consulting Services
documentation Cybersecurity RU 52 ✓
xaweho.de xaweho
transactional Infrastructure DE 49 ✓
pentame.com Pentagon Information Technology
informational Developer tools Local business 47 ✓
mailforge.ai Mailforge
documentation Communications Marketing 48 ✓
mydchub.com MyDCHub
documentation Cybersecurity DevOps and observability +1 49 ✓
kaspersky.ru Kaspersky | Глобальные решения в области кибербезопасности и цифровой конфиденциальности
transactional Cybersecurity RU 59 ✓
mailbox.org mailbox
transactional Communications Productivity DE 63 ✓
imidc.com IMIDC
transactional Infrastructure 51 ✓
coritan.com Coritan
interface Gaming Infrastructure GB 51 ✓ ✓
mssqltips.com MSSQLTips: SQL Server Tips, Articles and Training
documentation Data and analytics Education 59 ✓ ✓
smartertools.com SmarterTools: This file identifies primary, public, and canonical URLs to assist automated systems (LLMs, search, and indexing agents) in discovering authoritative SmarterTools content. Last updated 2
transactional Communications Business software US 62 ✓
mailganer.com Mailganer
interface Communications APIs and SDKs RU 51 ✓
hypercloudhost.com HyperCloudHost
transactional Infrastructure 45 ✓
rusender.ru RuSender
interface Marketing Communications RU 47 ✓
flazznetworks.com Flazz Networks
transactional Infrastructure 47 ✓
synchron.com.tr Synchron Bilişim
transactional Infrastructure Cybersecurity TR 47 ✓
web-solutions.eu Web Solutions
documentation Infrastructure DK 50 ✓
mxp.de Managed Service Provider & Digitalagentur Augsburg
documentation Infrastructure Business software DE 47 ✓
maroonhost.net مارون هاست (MaroonHost)
transactional Infrastructure IR 52 ✓ ✓
synhost.ro synhost.ro – Servicii profesionale de găzduire web
transactional Infrastructure RO 48 ✓
freispace.com freispace - post-production scheduling and resource management
interface Productivity Media +1 HU 51 ✓
foundationdns.com Foundation DNS
62 ✓ ✓
hkn.de HKN
documentation Infrastructure DE 46 ✓
acellesend.com AcelleMail
transactional Developer tools Marketing +1 50 ✓ ✓
cosmonova.net COSMONOVA|NET
documentation Telecom UA 55 ✓ ✓
cdmon.com cdmon - Domains, Hosting and Servers
transactional Infrastructure ES 55 ✓
getmailbird.com Mailbird
transactional Productivity 64 ✓ ✓
form-provider.com CodeB eForms Server
interface Business software ES 45 ✓ ✓
hostfactory.ch HOSTFACTORY®
transactional Infrastructure CH 55 ✓
mails.ai Mails.ai
interface AI and machine learning AI agents and MCP +2 US 47 ✓
monamail.vn MONA Mail
interface AI and machine learning Communications +2 VN 45 ✓ ✓
allemannsdata.com Allemannsdata
interface Developer tools AI agents and MCP +1 49 ✓
alelo.com.br =========================
BR 46 ✓
nslookup.io NsLookup.io
interface Cybersecurity Education +1 50 ✓
mindbaz.com Mindbaz: Let's deliver together
documentation Marketing Communications FR 47 ✓
hyperping.com Hyperping
interface DevOps and observability US 48 ✓
mxtoolbox.com MxToolbox
interface Cybersecurity DevOps and observability +1 65 ✓
whisper.security Whisper Security
interface Cybersecurity AI agents and MCP US 59 ✓ ✓
inetmar.com İnetmar — Türkiye'nin Kurumsal Hosting & Sunucu Sağlayıcısı
transactional Infrastructure CY 54 ✓ ✓
dotcom-tools.com Dotcom-Tools
documentation DevOps and observability Developer tools US 53 ✓
millsys.com Millennium System Inc
transactional Marketing Infrastructure US 47 ✓
emailvalidation.io emailvalidation.io
interface APIs and SDKs Developer tools 51 ✓ ✓
reshark.io Re:Shark
interface Marketing Business software DE 47 ✓
escanav.com eScan Antivirus Official Website (English)
documentation Cybersecurity IN 52 ✓
dema.ai Dema
interface Ecommerce Marketing +1 US 59 ✓
kaspersky.de Kaspersky | Globale Cybersicherheits- & Datenschutzlösungen
transactional Cybersecurity DE 54 ✓
glider.ai glider
documentation Developer tools Recruiting and careers +1 US 46 ✓
ixirhost.com llms.txt
transactional Infrastructure TR 53 ✓
nextbuzz.nl Next Buzz
documentation Infrastructure NL 52 ✓
99casinos.com 99 Casinos
informational Gaming 48 ✓
bilendo.de Bilendo
documentation Business software Finance and payments DE 50 ✓ ✓
edisglobal.com EDIS Global
interface Infrastructure 56 ✓
adapty.io Adapty
interface APIs and SDKs Finance and payments +1 56 ✓
joy.services Joy Services
transactional Infrastructure IN 56 ✓
easydmarc.com EasyDMARC
documentation Cybersecurity 60 ✓
mailosaur.com Mailosaur
interface Developer tools APIs and SDKs +1 US 45 ✓
turbostack.app TurboStack Documentation
interface Infrastructure Documentation and reference NL 45 ✓ ✓
mxhero.com mxHERO
documentation AI and machine learning Business software +1 US 47 ✓
mailvelope.com Mailvelope
transactional Cybersecurity Communications +1 DE 62 ✓
proofserve.com ProofServe ("Proof")
transactional Legal Government and public services US 45 ✓
atomicmail.io Atomic Mail
documentation Productivity Cybersecurity 51 ✓
mailtrap.io Mailtrap
interface Communications Developer tools +1 56 ✓
sutra.co Sutra
interface Business software Education US 51 ✓
jaba.hosting JABA\.Hosting: Webhosting mit Domain und SSL Zertifikat inkl\., Nextcloud mit Collabora Online Office und Hosting zu starken Preisen\.
transactional Infrastructure DE 49 ✓
webhostone.de webhostone
transactional Infrastructure DE 46 ✓
shoviv.com Shoviv Software
transactional Data and analytics 48 ✓
mailsoftly.com Mailsoftly
interface Marketing Communications 50 ✓ ✓
mailsdaddy.com MailsDaddy Software
transactional Developer tools Business software 55 ✓ ✓
simplehosting.ch Simple Hosting GmbH
transactional Infrastructure CH 51 ✓
addcal.co AddCal
documentation Productivity 50 ✓
yito.ru ВИТО — «Ваш ИТ Офис» (yito.ru)
transactional Infrastructure Business software RU 53 ✓
hosted.com Hosted.com
transactional Design Infrastructure BR 47 ✓
centron.de centron
transactional Infrastructure DE 50 ✓
weingaertner-it.de Weingärtner IT Services
transactional Infrastructure DE 50 ✓
binadit.work Binadit Workspace
transactional Business software Productivity NL 45 ✓ ✓
slashy.com Slashy
interface Productivity AI and machine learning +1 US 51 ✓ ✓
mydreams.cz VPS Hosting, Webhosting a Dedikované Servery
transactional Infrastructure CZ 47 ✓
hostnet.nl Hostnet
transactional Infrastructure NL 67 ✓
leadboxer.com LeadBoxer
interface AI and machine learning APIs and SDKs +1 NL 52 ✓
o365hq.com IT Partner (o365hq.com)
transactional Business software US 50 ✓ ✓
cinode.com Cinode
documentation Business software US 47 ✓
webhosting.dk WebHosting.dk
documentation Infrastructure DK 51 ✓
v6proxies.com Crash: PREMIUM QUALITY IPV6 and IPV4 PROXIES \- HTTPS/SOCKS5 \- Static/Rotated \- Residential/DC \- Dedicated Servers \- Unlimited Bandwidth\!
transactional Marketing Infrastructure US 48 ✓
easydns.com easyDNS
transactional Infrastructure CA 65 ✓ ✓
forwardemail.net Forward Email
interface Communications AI agents and MCP +1 US 63 ✓ ✓
toast.net www.toast.net
informational Telecom US 57 ✓
coldproxy.com ColdProxy
interface Infrastructure Developer tools 55 ✓
autospf.com AutoSPF
informational Cybersecurity 53 ✓ ✓
kaspersky.com.cn Kaspersky | 全球网络安全与数字隐私解决方案
transactional Cybersecurity CN 52 ✓
devops-daily.com DevOps Daily
documentation Developer tools Infrastructure +2 51 ✓ ✓
revenueflow.com RevenueFlow
documentation Marketing Business software US 51 ✓ ✓
progressiverobot.com llms.txt - Progressive Robot
informational 48 ✓ ✓
utma.com United & Turtle Mountain Communications
informational Marketing Communications US 47 ✓
wirewiki.com Wirewiki
documentation Infrastructure 48 ✓
wisestamp.com WiseStamp: The \#1 Email signature management solution
transactional Marketing Business software US 61 ✓
kernel-error.de Kernel-Error — llms.txt
documentation Cybersecurity Personal sites and blogs DE 51 ✓ ✓
synametrics.com Synametrics Technologies
documentation Data and analytics US 45 ✓
netsite.dk Netsite.dk
transactional Infrastructure DK 51 ✓
freestyle.sh Freestyle
interface AI and machine learning Infrastructure 50 ✓
ip-lookup.net IP-Lookup.net
informational Infrastructure 46 ✓
it-service.network IT-SERVICE.NETWORK
informational Business software DE 48 ✓
timmehosting.de Timme Hosting
documentation Infrastructure DE 56 ✓
serviceform.com Serviceform
transactional AI and machine learning Real estate +2 58 ✓
denra.com Denra.com
documentation Marketing Developer tools BG 46 ✓
hornetsecurity.com Hornetsecurity by Proofpoint: Hornetsecurity is the european champion for global cloud security. Driven by innovation and cybersecurity excellence, Hornetsecurity is building a safer digital future an
documentation Cybersecurity DE 58 ✓
zone.ee Zone | Domain Registration, Web Hosting, Email and Cloud Infrastructure
documentation Infrastructure EE 58 ✓
youth4work.com Youth4work
interface Recruiting and careers Education 57 ✓ ✓
eskimo.com Eskimo North
informational Infrastructure US 60 ✓
sw-comnizept.de SW-Comnizept GmbH & Co. KG
transactional Local business DE 50 ✓
swissmail.org Swissmail – Secure Swiss Email Provider
transactional Communications CH 48 ✓
jaan.be JAAN — maatwerk, SMS, e-mail en hosting
interface Infrastructure Communications +1 BE 47 ✓
ryzehosting.com Ryzehosting
transactional Infrastructure 51 ✓ ✓
coolutils.com CoolUtils File Converters
transactional Developer tools 64 ✓ ✓
nynex.de NYNEX satellite OHG
documentation Telecom DE 52 ✓ ✓
kaspersky.com.br Kaspersky | Soluções Globais de Cibersegurança e Privacidade Digital
transactional Cybersecurity BR 58 ✓
mailtester.com MailTester
interface Communications AI agents and MCP +1 51 ✓
cyberkendra.com Cyber Kendra
informational AI and machine learning Cybersecurity +2 47 ✓
emaillistverify.com EmailListVerify
interface Communications APIs and SDKs 51 ✓
digitalaka.com Digital Aka: SMTP Server \| Bulk Emails \| Bulk SMS
transactional Marketing Communications US 46 ✓
software-megastore.de Software\-Megastore\.de
transactional Ecommerce DE 49 ✓
servhost.com ServHost
transactional Infrastructure 47 ✓
hostingshield.com Canada Web Hosting
documentation Infrastructure CA 48 ✓
ltpmicro.com LTP Microservices
documentation Developer tools US 47 ✓
muumuu-domain.com ムームードメイン
interface Infrastructure AI agents and MCP +1 JP 62 ✓
kaspersky.nl Kaspersky | Wereldwijde cyberbeveiligings- en digitale-privacyoplossingen
transactional Cybersecurity NL 52 ✓
ud.hk UD (UDomain) — ud.hk
documentation Cybersecurity Infrastructure +1 HK 46 ✓
roxyon.com Roxyon
interface Infrastructure DE 52 ✓ ✓
whoisfreaks.com WhoisFreaks
interface APIs and SDKs Cybersecurity 60 ✓ ✓
mailprotector.com Mailprotector
documentation Cybersecurity Communications 47 ✓
k.pl https://k.pl llms.txt
documentation Infrastructure PL 48 ✓
inet.sk Inet.sk - Webhosting, Domény, Virtuálne servery a Tvorba webov
transactional Infrastructure SK 54 ✓ ✓
elastx.se Elastx
documentation Data and analytics Infrastructure +1 SE 47 ✓
rjhosting.nl RJHosting - Domeinregistratie en Webhosting
informational Infrastructure NL 48 ✓
kaspersky.co.in Kaspersky | Global Cybersecurity & Digital Privacy Solutions
transactional Cybersecurity IN 52 ✓
perspective.co Perspective
interface Marketing AI and machine learning +1 US 50 ✓
billionverify.com BillionVerify
interface AI and machine learning Business software +1 50 ✓ ✓
flowhunt.io Flowhunt
documentation AI and machine learning Productivity +2 51 ✓
ex2.com Ex2
interface Design Infrastructure 59 ✓
zomro.com Zomro
transactional Infrastructure Design NL 61 ✓
arzt-direkt.de arzt-direkt
documentation Healthcare Business software DE 49 ✓
onlinefabrik.com ONLINEFABRIK – Die Internetagentur
informational Infrastructure Marketing DE 48 ✓
brimco.io Brimco
informational AI and machine learning Data and analytics +1 US 47 ✓
cevi.be Cevi Group: Think Digital, Act Local
documentation Business software BE 47 ✓
esmero.nl Esmero
transactional Infrastructure NL 54 ✓
centerit.ro IT Support Center - CenterIT
informational Marketing RO 48 ✓
web-crossing.com web-crossing
documentation Ecommerce AT 47 ✓
xcloud.host xCloud
interface AI and machine learning Infrastructure +2 US 63 ✓ ✓
limeserver.com Lime Server
transactional Infrastructure GB 46 ✓
bloghints.com Bloghints.com
documentation Marketing FR 47 ✓
fulltimefba.com Full-Time FBA
transactional Education US 46 ✓
speedzone.fi SpeedZone | Finnish Web Hosting, Domains, WordPress, Email and Cloud Servers
transactional Infrastructure FI 59 ✓
mesi.com.ar MESI Hosting SRL
interface Infrastructure APIs and SDKs AR 50 ✓
promptarmor.com https://www.promptarmor.com/llms.txt
documentation AI and machine learning Cybersecurity US 53 ✓
acinet.de acinet.de
transactional Infrastructure Communications DE 49 ✓
ossrox.org Ossrox
transactional Infrastructure DE 47 ✓
pbn.ltd PBN.LTD
transactional Marketing Infrastructure 46 ✓
surf7.net Surf7.net
transactional AI and machine learning 47 ✓
firestorm.ch FireStorm ISP GmbH
transactional Infrastructure CH 53 ✓
namehero.com NameHero
transactional Infrastructure Gaming +1 64 ✓ ✓
osir.com OSIR - AI-Native Domain Registrar
interface Infrastructure Developer tools +2 US 48 ✓
suncomet.fi SE Edullinen webhotelli
transactional Infrastructure FI 62 ✓ ✓
paymatesoftware.com Paymate
informational Productivity Business software +1 US 51 ✓
thearmoredpatrol.com The Armored Patrol
informational Media 51 ✓
docevent.io DocEvent
interface Infrastructure 48 ✓
galaxy.net Galaxy Networks
documentation Infrastructure US 48 ✓
z4host.com Z4Host
documentation Gaming Infrastructure DE 48 ✓
netcell-it.de NetCell-IT
transactional Infrastructure DE 47 ✓
nocser.net ModernOne: Malaysia Dedicated Server Hosting
transactional Infrastructure MY 49 ✓
domcop.com DomCop
interface Marketing Data and analytics +1 51 ✓
gozenhost.com GOZEN HOST - Web Hosting Provider
transactional Infrastructure 46 ✓ ✓
getpalm.com Palm
interface APIs and SDKs Authentication and identity US 51 ✓ ✓
extraproxies.com Private Proxies - Buy Cheap Private Elite USA Proxy + 50% Discount!
transactional Infrastructure FR 55 ✓ ✓
intum.com Intum - all-in-one business platform
documentation Marketing Design +1 47 ✓
dss-net.de Digital Services Stephan
informational Infrastructure DE 47 ✓
030-datenrettung.de 030 Datenrettung Berlin GmbH
transactional DE 51 ✓ ✓
aisa.one AIsa
interface Marketing AI and machine learning +2 50 ✓ ✓
beyondsurplus.com Beyond Surplus
documentation Business software 52 ✓ ✓
xmarthost.com XMart Host
transactional Infrastructure DE 55 ✓
aedifex.nl Aedifex Webdesign & Web Development
informational Developer tools NL 45 ✓
kaspersky.co.za Kaspersky | Global Cybersecurity & Digital Privacy Solutions
transactional Cybersecurity ZA 50 ✓
schulungstool.de Schulungstool
interface Business software Education DE 46 ✓
aloaha.com CodeB Sovereign Communications
interface Authentication and identity ES 51 ✓ ✓
mcserverhost.com MCServerHost
transactional Infrastructure Gaming GB 51 ✓ ✓
systoolsgroup.com www.systoolsgroup.com llms.txt
transactional Cybersecurity 54 ✓
codingstark.com Himanshu Maurya
documentation 47 ✓
runbox.com Runbox
transactional Communications NO 61 ✓
mailerlite.com MailerLite
interface Marketing 66 ✓
deployhq.com DeployHQ.com
interface DevOps and observability APIs and SDKs GB 56 ✓ ✓
thomas-krenn.com Thomas-Krenn.AG - https://www.thomas-krenn.com
documentation DE 60 ✓
abtech.ro abtech.ro
documentation Business software RO 47 ✓
websitetoday.nl WebsiteToday.nl
documentation Local business NL 48 ✓
informer.eu Informer
transactional Business software 46 ✓
nuri.com Nuri
interface Finance and payments Crypto and Web3 DE 51 ✓ ✓
badencloud.de Baden Cloud®
documentation Infrastructure DE 47 ✓
softwarehunter.de Softwarehunter.de
transactional Ecommerce DE 51 ✓ ✓
metairie-process-servers.com Lafayette Process Servers LLC
transactional Legal Local business US 47 ✓
code.storage Code Storage
interface Developer tools APIs and SDKs +1 US 57 ✓ ✓
sysops.de sysops GmbH
documentation Marketing Infrastructure DE 50 ✓
hi-net.it Hi-net srl
documentation Ecommerce Marketing +1 IT 46 ✓
webcentrum.sk WEBCENTRUM
informational Marketing SK 47 ✓
baebeca.de Baebeca Solutions GmbH
transactional Infrastructure DE 49 ✓
minestrator.com MineStrator
transactional AI and machine learning Infrastructure +1 54 ✓ ✓