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Companies / US

Anthropic

anthropic.com27 facts from HTTP + DNS + jobsLast verified 17 Sept 2026607 job posts read on greenhouse

Anthropic sits behind Cloudflare and is built with Webflow. Its mail goes through Google Workspace. Its job posts name Amazon Web Services, C++, Go and Kubernetes.

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CDN & edge

  • Confidence 95 of 100, certainCloudflare

DNS

  • Confidence 95 of 100, certainCloudflare DNS

Databases

Mostly from job postings

  • Confidence 50 of 100, likelyPostgreSQL

Streaming and queues

Mostly from job postings

  • Confidence 50 of 100, likelyTemporal

Data platform

Mostly from job postings

  • Confidence 60 of 100, likelyApache Spark
  • Confidence 60 of 100, likelyBigQuery
  • Confidence 50 of 100, likelyApache Airflow
  • Confidence 50 of 100, likelydbt

Infrastructure

Mostly from job postings

  • Confidence 70 of 100, likelyAmazon Web Services
  • Confidence 70 of 100, likelyKubernetes
  • Confidence 70 of 100, likelyTerraform
  • Confidence 60 of 100, likelyDocker

Languages

From job postings

  • Confidence 70 of 100, likelyC++
  • Confidence 70 of 100, likelyGo
  • Confidence 70 of 100, likelyPython
  • Confidence 70 of 100, likelyRust
  • Confidence 70 of 100, likelyTypeScript

Frameworks

  • Confidence 70 of 100, likelyReact

CMS & site builders

  • Confidence 95 of 100, certainWebflow

Headless content

  • Confidence 90 of 100, certainSanity

Monitoring

  • Confidence 50 of 100, likelyGrafana
  • Confidence 50 of 100, likelyPrometheus

Payments

  • Confidence 70 of 100, likelyStripe

Email

MX records show the mailbox; SPF shows services allowed to send

  • Confidence 95 of 100, certainGoogle Workspace

Workspace accounts

Verification records: an account exists, usage unknown

  • Confidence 75 of 100, strongAtlassian
  • Confidence 75 of 100, strongSlack
  • Confidence 70 of 100, likelyMicrosoft 365

Hints

Named in a single job post. Not a claim yet.

  • Confidence 35 of 100, a hintAmazon Kinesis
  • Confidence 35 of 100, a hintAmazon Redshift
  • Confidence 35 of 100, a hintApache Kafka
  • Confidence 35 of 100, a hintClickHouse
  • Confidence 35 of 100, a hintCockroachDB
  • Confidence 35 of 100, a hintDatabricks
  • Confidence 35 of 100, a hintDatadog
  • Confidence 35 of 100, a hintDynamoDB
  • Confidence 35 of 100, a hintFivetran
  • Confidence 35 of 100, a hintGitHub Actions
  • Confidence 35 of 100, a hintGoogle Cloud
  • Confidence 35 of 100, a hintGraphQL
  • Confidence 35 of 100, a hintJava
  • Confidence 35 of 100, a hintKotlin
  • Confidence 35 of 100, a hintLooker
  • Confidence 35 of 100, a hintMicrosoft Azure
  • Confidence 35 of 100, a hintMongoDB
  • Confidence 35 of 100, a hintMySQL
  • Confidence 35 of 100, a hintNext.js
  • Confidence 35 of 100, a hintNode.js
  • Confidence 35 of 100, a hintOpenTelemetry
  • Confidence 35 of 100, a hintPagerDuty
  • Confidence 35 of 100, a hintPulumi
  • Confidence 35 of 100, a hintRedis
  • Confidence 35 of 100, a hintSnowflake
  • Confidence 35 of 100, a hintSwift
  • Confidence 35 of 100, a hintTableau

Select the evidence on any row to see exactly what we saw and when.

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