Technologies

Cloudflare's proxy and CDN in front of the site.

Cloudflare's authoritative DNS.

Servers hosted on Amazon Web Services.

The domain publishes a DMARC policy telling receivers how to treat mail that fails SPF and DKIM.

The site is verified in Google Search Console to monitor its search presence.

Google's productivity suite: Gmail for business, Calendar, Drive, Docs and Meet.

GoDaddy's name servers.

Websites published from ChatGPT under the chatgpt.site domain.

A site built on Squarespace.

Microsoft's productivity suite: Outlook and Exchange email, Teams, OneDrive and Office apps.

Google's authoritative DNS, from Google Cloud DNS or the former Google Domains.

The domain's DMARC policy rejects mail that fails authentication (p=reject).

Cloudflare Workers: serverless code running on Cloudflare's network under workers.dev.

Cloudflare Pages: static sites and front-end apps deployed to Cloudflare's network under pages.dev.

Hosted at Hostinger, the web host.

GoDaddy's email hosting, including its Microsoft 365 plans.

Servers hosted at Hetzner, the German cloud and dedicated server provider.

Google Cloud, hosting the site or its custom domain mapping.

E-commerce platform for building and running online stores.

Servers hosted at OVHcloud.

GoDaddy's domain marketplace; the domain is listed for sale through it.

Squarespace's name servers, including domains moved from Google Domains.

Cloudflare's free forwarding of the domain's email to other inboxes.

Name servers of Hostinger, the web host.

NS1 (IBM NS1 Connect), the managed authoritative DNS service.

Name servers of Namecheap, the registrar.

Hosted on Google's network.

Wix's name servers.

A site built with Wix.

AWS's authoritative DNS service.

Hostinger's email hosting.

Fastly's edge cloud and CDN in front of the site.

Namecheap's free email forwarding for domains registered with it.

Zoho Mail and the wider Zoho suite of business apps: CRM, office and finance tools.

Servers hosted on Oracle Cloud Infrastructure.

Hosted by Automattic, the company behind WordPress.com, WordPress VIP and Tumblr.

ParkLogic's domain parking and traffic monetisation.

Servers hosted on Microsoft Azure.

Servers (Droplets) hosted on DigitalOcean.

Name servers of Network Solutions, the registrar.

DMARC reports sent to Cloudflare's DMARC Management.

Email, SMS and marketing automation (formerly Sendinblue).

Email hosting of IONOS, the web host and registrar.

Name servers of IONOS, the web host and registrar.

Name servers of Register.com, the registrar.

Email sending and delivery APIs.

Meta Business Suite and ads on Facebook and Instagram, with the domain verified for the business.

Apple Business services, such as Apple Business Manager and Sign in with Apple, set up for the organization's domain.

Vercel, the platform for frontend frameworks such as Next.js.

Zoho Mail, the business email service.

Servers hosted on Linode, now Akamai Cloud.

OVHcloud's name servers.

WordPress.com's name servers.

OVHcloud's email hosting.

Amazon Simple Email Service, AWS's service for sending and receiving email.

Alibaba Cloud's authoritative DNS, including zones of HiChina, its registrar.

Hosted at HostGator, the shared web host.

Tucows' OpenSRS email hosting, resold by registrars such as Hover.

MailChannels' outbound email relay, used by many web hosts.

Alibaba's cloud platform, hosting the domain's servers.

Hosted on Namecheap's servers.

Name servers of Porkbun, the registrar.

Domain parking and marketplace; the domain shows Above.com parking pages.

Servers hosted at Contabo, the German VPS and dedicated server provider.

Proofpoint's email security filtering the domain's mail.

Vercel's name servers.

Name servers of Name.com, the registrar.

Visual website builder and hosting.

Name servers of NameBright, the registrar.

Name servers of Spaceship, Namecheap's newer registrar.

A marketplace for brandable domain names; the domain is for sale there.

AI safety company behind the Claude models; organizations verify domains to manage Claude workspaces and single sign-on.

Imperva's web application firewall and CDN in front of the site.

SendGrid, Twilio's email delivery service.

Servers hosted on Vultr.

Name servers of SiteGround, the web host.

Name servers of HostGator, the web host.

Jira, Confluence and the rest of Atlassian's cloud tools for software and project teams.

Render, the cloud platform for web services and static sites.

Titan, the business email sold by many registrars and web hosts.

Domain parking or a sale listing with Sedo, the domain marketplace.

Certificate authority issuing TLS and document-signing certificates.

Name servers of Bluehost, the web host.

SiteGround's email hosting with its spam filtering.

Custom-domain email with Apple's iCloud Mail.

Name servers of Dynadot, the registrar.

End-to-end encrypted email from Proton.

Email and SMS marketing for online stores.

Name servers of Strato, the German web host.

Mailchimp, the email marketing platform.

The site is verified in Yandex Webmaster.

Hosted on Unified Layer, the network behind Bluehost and HostGator.

Email hosting of Strato, the German web host.

Namecheap's Private Email mailbox hosting.

A site hosted on WordPress.com.

Registro.br's free DNS for .br domains.

Maker of ChatGPT and the OpenAI API; organizations verify domains to manage ChatGPT Enterprise and Team workspaces.

Name servers of All-Inkl, the German web host.

Hosted on Namecheap's shared web hosting.

Porkbun's email hosting and forwarding.

Name servers of REG.RU, the Russian registrar.

Email marketing, newsletters and landing pages.

bunny.net's content delivery network.

Email sent through All-Inkl, the German web host.

Microsoft Azure's authoritative DNS service.

Name servers of one.com, the web host.

Rackspace's hosted email.

Mailjet, the email marketing and delivery service.

Online graphic design for teams.

DNSPod, Tencent Cloud's authoritative DNS service.

Name servers of NameSilo, the registrar.

Domain parking with ParkingCrew; the domain shows ad-filled parking pages.

Name servers of Xserver, the Japanese web host.

Zendesk, the customer service help desk.

Hetzner's authoritative DNS.

Mandrill, Mailchimp's transactional email service.

Name servers of Aruba, the Italian web host and registrar.

Name servers of DreamHost, the web host.

Servers hosted on Tencent Cloud.

Yandex 360 for Business, the email and office suite for custom domains.

Name servers of Gandi, the French registrar.

Hosted at Liquid Web, the managed hosting provider.

Atom (formerly Squadhelp), a marketplace for brandable domains; the domain is for sale there.

Akamai's CDN and edge network in front of the site.

DMARC reports sent to Proofpoint.

DigitalOcean's free authoritative DNS.

A static site served by GitHub Pages.

Clerk, the authentication and user management service, on the domain's sign-in pages.

Amazon's CDN, delivering the site from AWS edge locations.

Name servers of TransIP, the Dutch web host.

Sucuri's website firewall and CDN in front of the site.

SpamExperts' email filtering, now N-able Mail Assure.

Tencent Exmail, Tencent's business email for custom domains.

Name servers of Enom, the wholesale registrar behind many resellers.

Mimecast's email security gateway filtering the domain's mail.

Fly.io, a platform that runs apps close to users worldwide.

Yahoo services, such as Yahoo Small Business or Search, set up for the domain.

Stackmail, the email hosting of the UK web host 20i.

Email hosting of one.com, the web host.

Fastmail, the paid email hosting service.

Servers hosted on Scaleway, the European cloud provider.

Online payments, billing and financial infrastructure for businesses.

Mail sent through Salesforce for the domain.

Pinterest business accounts with a claimed website.

Email hosting of Infomaniak, the Swiss provider.

Domain verified with GoDaddy, the registrar and web host.

ClouDNS, a managed DNS hosting provider.

Cloud platform that deploys apps, databases and services from a repository, on its own servers and edge network.

Name servers of Hover, the registrar.

DMARC reports sent to Red Sift OnDMARC.

CSC's enterprise DNS, used by companies that manage their brand domains with CSC.

Adobe Creative Cloud and Document Cloud for teams, with the organization's identity setup.

ImprovMX, an email forwarding service for custom domains.

Alibaba Mail, the business email service of Alibaba Cloud.

DDoS-Guard's DNS and DDoS protection.

Netlify, the platform for static sites and web apps.

Security awareness training and simulated phishing.

Electronic signatures and agreement workflows.

DMARC reports sent to Postmark's DMARC digests.

Name servers of Loopia, the Swedish web host.

Email hosting of Gandi, the French registrar.

Name servers of Openprovider, the Dutch wholesale registrar.

Video meetings, webinars and team chat.

bunny.net's authoritative DNS service.

Google's app platform: hosting, authentication and databases for web and mobile apps.

DMARC reporting and deployment platform.

Heroku, Salesforce's platform for running apps.

VK WorkMail (formerly Mail.ru for business), email for custom domains.

Microsoft Azure's global edge for load balancing, CDN and web application firewall.

Browser-based development and hosting, with AI that builds apps.

SMTP2GO, the email delivery service.

Email hosting of TransIP, the Dutch web host.

Saleshandy, the cold email outreach platform.

Name servers of EuroDNS, the Luxembourg registrar.

An AWS load balancer in front of the site's servers.

Email forwarding and hosting for custom domains.

Managed WordPress hosting.

Email delivery and marketing service.

Barracuda's email security gateway filtering inbound mail.

Email hosting of Mittwald, the German web host for agencies.

Cisco Webex meetings, calling and messaging for organizations.

UltraDNS, Vercara's enterprise authoritative DNS.

Email hosting from 123 Reg, the UK registrar and web host.

Name servers of Timeweb, the Russian web host.

Name servers of Hostpoint, the Swiss web host.

CRM with marketing, sales and customer service hubs.

DMARC reporting and email authentication platform.

Kubernetes clusters that publish their services' DNS records automatically.

Salesforce Pardot is now officially known as Marketing Cloud Account Engagement, Salesforce's primary B2B marketing automation platform

Domain marketplace (now part of GoDaddy); the domain is listed for sale through it.

Email hosting on Hetzner's web hosting.

LinkedIn company page or ads account with a verified website.

Akamai's authoritative DNS service, built for large, high-traffic zones.

Low-cost email hosting for custom domains.

MXroute, the email hosting service.

Email hosting of Beget, the Russian web host.

Name servers of Deutsche Telekom's hosting.

Team messaging and collaboration platform with channels, huddles and integrations.

Email hosting of Deutsche Telekom.

Apps built on TikTok's developer platform.

Email hosting of Timeweb, the Russian web host.

Online whiteboard for visual collaboration, workshops and planning.

Servers hosted on IBM Cloud.

Email hosting of REG.RU, the Russian registrar.

Microsoft Azure's DNS-based traffic routing across regions and endpoints.

Email hosting of Hostpoint, the Swiss web host.

Nuvemshop (Tiendanube), the Latin American ecommerce platform.

Email hosting of united-domains, the German registrar.

Password manager and secrets management for teams.

Breach notifications for addresses on the organization's domain.

Email hosting and filtering of Combell, the Belgian web host.

Name servers of Cafe24, the Korean web host and ecommerce platform.

Email hosting of Locaweb, the Brazilian web host.

Email hosting of Lolipop, the Japanese web host by GMO Pepabo.

Sales funnels, landing pages and checkout for online businesses.

Microsoft Azure's managed platform for web apps and APIs.

Applications hosted by Cloudflare under the cloudflare.app domain.

HighLevel (LeadConnector), the CRM and marketing platform for agencies.

Spacemail, the email hosting of Spaceship.

MailerSend, the transactional email service.

ByteDance's workplace suite (Feishu in China): chat, docs, meetings and calendar.

Endpoint, network and email security.

Hornetsecurity's email security and filtering service.

Linode's authoritative DNS, now part of Akamai Cloud.

AI code editor; companies verify their domain for team plans and single sign-on.

Migadu, the Swiss email hosting for custom domains.

Communications APIs for messaging, voice and email.

Management and security for Apple devices in organizations.

Postmark, the transactional email service.

Email hosting of Loopia, the Swedish web host.

DNS Made Easy, a managed authoritative DNS provider.

Email marketing platform for newsletters and campaigns.

Email hosting of Register.it, the Italian registrar.

Mailhostbox, the email hosting sold through many registrars and resellers.

Spreadsheet-style work management and project tracking.

DigitalOcean's managed platform for deploying apps.

Pixieset, the website and client gallery platform for photographers.

Email hosting of netcup, the German web host.

Open-source password manager for individuals and organizations.

Framer, the design tool and website builder.

A site built with Webador, the website builder.

Connected workspace for docs, wikis, projects and team knowledge.

Privacy, consent and data governance platform.

Cisco Duo: multi-factor authentication and single sign-on.

Collaborative interface design and prototyping.

Single sign-on to the Cloudflare dashboard through the organization's identity provider.

redirect.pizza, a service that redirects domains with HTTPS.

A site built and hosted with Manus, the AI agent.

Ghost(Pro), the hosted Ghost publishing and newsletter platform.

Adobe Marketo Engage, the marketing automation platform.

Valimail's DMARC enforcement and email authentication.

Zenfolio, the website and selling platform for photographers.

Platform for designing, testing and documenting APIs.

DMARC and security reports sent to URIports.

Design and engineering software, such as AutoCAD and Revit, with organization accounts.

MongoDB's managed cloud database service.

Microsoft Dynamics 365 Customer Insights: marketing journeys and email.

DMARC reporting and email impersonation protection, now part of Fortra.

Keybase: identity proofs and encrypted chat and files.

Pantheon, the hosting platform for WordPress and Drupal sites.

Email sending API for developers.

Cafe24, the Korean ecommerce platform and web host.

Container platform; organizations verify domains for Docker Business accounts and single sign-on.

Cisco's email security gateway (formerly IronPort) filtering inbound mail.

Atlassian Statuspage: public and private status pages for incidents and uptime.

Spreadsheet-database hybrid for building apps, workflows and shared team data.

kvCORE, the real-estate website and CRM platform.

Hosted at Rackspace Technology.

Cloud content management and file sharing for businesses.

Remote access and support, with single sign-on for the organization.

Turbify (formerly Yahoo Small Business) hosting.

Cloud load testing for web apps and APIs.

Cloud file storage, sharing and sync for teams.

A virtual machine or service on Microsoft Azure.

DMARC reporting and monitoring service.

HR, payroll, IT and finance on one platform.

A Substack publication on a custom domain.

Remote access and IT management (GoTo).

Color Me Shop, the Japanese online store builder by GMO Pepabo.

Amazon's purchasing marketplace for companies.

Observability and application performance monitoring.

External attack surface and web application security scanning.

No-code automation connecting thousands of apps.

PDF editing and e-signature tools for organizations.

Company accounts for business rides and meals on Uber.

AI app builder that turns prompts into web apps.

Email aliases for privacy (by Proton).

Cloud security platform for finding risks across cloud environments.

Verified publisher in Brave Creators, receiving contributions from Brave users.

Freshworks' customer support help desk.

Swiss certificate authority issuing TLS and signing certificates.

Meta's workplace communication platform.

Swipe Pages, the mobile-first landing page builder.

Developer tools and IDEs, such as IntelliJ IDEA, with organization accounts.

Customer reviews; the business claimed its Trustpilot profile.

Salesforce Marketing Cloud, for email and customer journey marketing.

DNSimple, a managed DNS and domain registration service.

Certificate authority (part of DigiCert) for TLS and qualified certificates.

Cloud accounting and financial management.

Shared database for reporting abusive IP addresses.

Product analytics for tracking how users engage with websites and apps.

Email marketing for organizations.

A domain marketplace with lease-to-own plans; the domain is for sale there.

Maker of the Mistral models and Le Chat; organizations verify domains for their workspaces.

Product analytics and in-app guides.

Bug bounty and vulnerability disclosure programs run with security researchers.

Network and cloud security: firewalls, SASE and security operations.

Cold email and multichannel sales outreach.

Project and work management for teams.

Issue tracking and project planning for software teams.

HashiCorp Cloud Platform: managed Terraform, Vault and other HashiCorp tools.

Password manager for businesses (from Nord Security).

Vietnam's messaging app; the domain is verified for Zalo's developer platform.

Hewlett Packard Enterprise's hybrid cloud platform.

HR and talent management from SAP.

Work management for projects, CRM and development teams.

Twilio Segment: customer data platform collecting and routing user events.

Lead consent and compliance (TrustedForm).

Email marketing and transactional email.

Cisco's cloud operations platform for infrastructure.

Italian certificate authority for TLS certificates.

Unbounce, the landing page builder.

Website, server and application monitoring from Zoho.

IBM Cloud and other IBM services, with the organization's IBMid domain.

Video meetings and interoperability for Microsoft Teams.

PDF editing and e-signatures for businesses.

Cryptomus, a cryptocurrency payment gateway for online businesses.

DNS, DHCP and IP address management with DNS security.

Keap (formerly Infusionsoft), CRM and marketing automation for small businesses.

SEO auditing and rank tracking.

Virtual apps, desktops and secure access for organizations.

Domain verified with Dell Technologies, for its business services and support portals.

Parallels Desktop and remote application delivery for businesses.

TollBit, which lets publishers charge AI companies for access to their content.

Recruitment software and careers sites.

SpyCloud, which alerts on employee credentials exposed in breaches and malware.

Paddle, the merchant of record handling payments for software companies.

Lucid's visual collaboration apps, Lucidchart and Lucidspark.

Prowly, PR software for press releases, newsrooms and media outreach.

Marketing automation for email, SMS and push campaigns.

New Relic, the observability platform for monitoring apps and infrastructure.

AI voice generation and text to speech.

Feature-flag and experimentation platform for releasing software gradually and safely.

Microsoft Azure's content delivery network.

Conversational marketing and sales chat (Salesloft Drift).

Validity, email deliverability and data quality tools such as Everest.

Async video messaging for recording and sharing screen and camera walkthroughs.

Reachdesk, the corporate gifting and direct mail platform.

DMARC reports sent to Microsoft.

Kinsta, managed WordPress and application hosting.

CRM for modern teams, built around a flexible, data-driven workspace.

WalletConnect (Reown): the protocol that connects crypto wallets to apps.

Cloud testing platform for running websites and mobile apps on real browsers and devices.

Global HR, payroll and employer-of-record services.

BigCommerce, the hosted ecommerce platform.

Hosted on GitHub's network.

DMARC reports sent to MxToolbox for monitoring.

Flowcharts, wireframes and docs for product teams.

Dyn's managed DNS, now part of Oracle.

KeyCDN, a content delivery network.

Bird (formerly MessageBird): messaging and marketing across SMS, WhatsApp and email.

Wallet and authentication SDK (formerly Fortmatic) for passwordless logins and embedded crypto wallets.

DMARC reports sent to Mimecast's DMARC Analyzer.

Web3 development platform for simulating, debugging and monitoring smart contracts.

A static website served straight from an Amazon S3 bucket.

Carrd, a builder for simple one-page sites.

A site or portal served by Salesforce Sites or Experience Cloud.