DNS Technographics - SaaS Stack from DNS Records (Bulk) avatar

DNS Technographics - SaaS Stack from DNS Records (Bulk)

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Pay per event + usage

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DNS Technographics - SaaS Stack from DNS Records (Bulk)

DNS Technographics - SaaS Stack from DNS Records (Bulk)

Find which SaaS any company uses (email, security, marketing automation, CRM, support, hosting, collaboration, AI) from its public DNS: SPF, TXT verification, MX, DMARC, nameservers, subdomain CNAMEs. Bulk and cheap.

Pricing

Pay per event + usage

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Musedenny

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DNS Technographics – SaaS Stack from DNS Records

Find out which SaaS any company uses, in bulk, from its public DNS records. Page-based tech detectors only see what's on the homepage. DNS also reveals the back-office tools a company has connected to its domain: email and email security, marketing automation, CRM, support desk, collaboration, e-signature, payments, AI, hosting and CDN.

What it reads

RecordReveals (examples)
SPF includesGoogle Workspace, Microsoft 365, SendGrid, Mailgun, Amazon SES, HubSpot, Marketo, Salesforce, Zendesk, Klaviyo
TXT verification recordsAtlassian, Slack, Zoom, DocuSign, Adobe, Stripe, OpenAI, Anthropic, Okta, 1Password, Canva, Miro, Notion, Meta Business
MXEmail provider and security gateway (Proofpoint, Mimecast, Barracuda, Cisco)
DMARC report addressDMARC vendor (dmarcian, Valimail, Red Sift, EasyDMARC…)
NameserversDNS and CDN provider (Cloudflare, Route 53, Akamai…)
CNAMEs of help., status., docs., careers., shop., go.…Zendesk, Freshdesk, Intercom, Statuspage, GitBook, Greenhouse, Lever, Shopify, Marketo, Webflow…

About 150 vendor signatures. Each detected tool comes with its evidence (the exact record), so you can verify it.

Input

FieldDefaultMeaning
domains–Domains, website URLs or email addresses (the domain part is used)
onlyIfUsing–Only output domains using any of these vendors (e.g. Zendesk, HubSpot). Good for building lead lists
checkSubdomainstrueAlso check common subdomains
maxDomains10000Cap per run

Output

{
"domain": "acme.com",
"emailProvider": "Google Workspace", "emailSecurityGateway": null, "dmarcVendor": "dmarcian", "dnsProvider": "Cloudflare",
"toolCount": 9,
"categories": ["Collaboration", "Customer support", "Email", "Email delivery", "AI", "..."],
"tools": [{"name": "Zendesk", "category": "Customer support", "evidence": ["SPF include mail.zendesk.com", "help.acme.com → acme.zendesk.com"]}, "..."],
"spfIncludes": ["_spf.google.com", "sendgrid.net", "mail.zendesk.com"], "hasMx": true, "checkedAt": "…"
}

Verification token values are never output, only which vendor they belong to.

Pricing (pay per event)

$0.001 per run and $0.001 per domain: 10,000 domains for about $10.

How it works

Lookups go through DNS-over-HTTPS (Cloudflare, with Google as fallback), about 20 queries per domain, 10 domains at a time. It doesn't load the company's website.