Download websites that use Slack
28,062 live sites using Slack right now
Collaboration · by Slack Technologies, LLC · since 2013 · Proprietary
About Slack
webatla tracks 28,062 live websites using Slack, 0.0% of every site we index. Download the full list of websites that use Slack as a daily JSONL export. Every record includes the domain plus DNS, WHOIS, IP address, hosting country and global rank.
Slack is a cloud-based team collaboration and messaging platform developed by Slack Technologies, which launched in August 2013 and became a subsidiary of Salesforce in 2021. It organizes workplace communication into channels, direct messages, and threads, and supports file sharing, voice and video calls, and integration with third-party applications. On websites it is commonly detected through embedded widgets, community invite links, and integrations that connect a site to a Slack workspace.
At a glance
Database preview of Slack sites
Slack detection is a value inside the Technologies column. Two datasets carry it, switch between them to compare what's included.
| Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | PR value | Harmonic value | Domain creation date | Domain expiration date |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| x.com | com | com | ICANN | HTTP 200 | 172.66.0.227 | US | {"x-twitter":["https://x.com/os-x.xml","https://x.com/os-grok.xml","https://x.com/manifest.json"]} | 2026-07-17 | PWA, HSTS, Figma, Plaid, React, Slack, HTTP/2, Sentry, Stripe, Express | 0.00108572 | 20,934,018 | 1993-04-02 | 2034-10-20 |
| discord.com | com | com | ICANN | HTTP 200 | 162.159.128.233 | US | {"tiktok":["https://tiktok.com/@discord"],"discord":["https://discord.com/w/assets/1cab095e9147685cece9a11a92ebf9c91982c98f/styles.css","https://discord.com/download","https://discord.com/nitro"],"youtube":["https://youtube.com/discord"],"facebook":["https://facebook.com/discord"],"instagram":["https://instagram.com/discord"],"x-twitter":["https://twitter.com/discord","https://x.com/discord"]} | 2026-07-31 | HSTS, Slack, HTTP/3, Sentry, jQuery 3.5.1, Favicon, HubSpot, Webflow, Zendesk, DocuSign | 0.000198528 | 18,772,712 | 2000-11-06 | 2026-11-06 |
| calendly.com | com | com | ICANN | HTTP 200 | 104.18.41.175 | US | {"youtube":["https://youtube.com/c/Calendly"],"facebook":["https://facebook.com/calendly"],"linkedin":["https://linkedin.com/company/calendly/life/lifeatcalendly"],"instagram":["https://instagram.com/calendly"],"x-twitter":["https://x.com/calendly"]} | 2026-07-26 | PWA, HSTS, Miro, React, Slack, HTTP/2, OpenAI, PayPal, Stripe, Favicon | 0.00019833 | 18,767,472 | 2013-02-26 | 2027-02-26 |
| dropbox.com | com | com | ICANN | HTTP 200 | 162.125.248.18 | US | {"youtube":["https://youtube.com/user/dropbox"],"facebook":["https://facebook.com/Dropbox"],"x-twitter":["https://twitter.com/Dropbox"]} | 2026-08-01 | HSTS, Miro, Envoy, Slack, HTTP/3, Notion, OpenAI, PayPal, Stripe, Favicon | 0.000137521 | 19,269,304 | 1995-06-28 | 2027-06-27 |
| klaviyo.com | com | com | ICANN | HTTP 200 | 13.32.99.16 | US | {"facebook":["https://facebook.com/Klaviyo"],"linkedin":["https://linkedin.com/company/klaviyo"],"instagram":["https://instagram.com/klaviyo"],"x-twitter":["https://twitter.com/klaviyo"]} | 2026-08-07 | PWA, HSTS, Astro, Canva, Slack, HTTP/2, Heroku, Notion, OpenAI, Sanity | 0.000130699 | 18,197,256 | 2012-03-29 | 2032-03-29 |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … |
| Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | DNS last data checked | DNS Status | DNS records | PR value | Harmonic value | RDAP/WHOIS last data checked | RDAP/WHOIS method | Domain creation date | Domain expiration date | Domain last changed | Registrar | RDAP/WHOIS Record | Response Status RDAP/WHOIS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| x.com | com | com | ICANN | HTTP 200 | 172.66.0.227 | US | {"x-twitter":["https://x.com/os-x.xml","https://x.com/os-grok.xml","https://x.com/manifest.json"]} | 2026-07-17 | PWA, HSTS, Figma, Plaid, React, Slack, HTTP/2, Sentry, Stripe, Express | 2026-08-05 | TRUE | 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ip4:199.16.156.0/22 ip4:199.59.148.0/22 include:_spf.google.com include:_spf.salesforce.com include:_oerp.x.com include:phx1.rp.oracleemaildelivery.com include:iad1.rp.oracleemaildelivery.com -all"]} | 0.00108572 | 20,934,018 | 2025-06-23 | RDAP | 1993-04-02 | 2034-10-20 | 2025-06-23 | GoDaddy.com, LLC | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/X.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/X.COM"},{"rel":"related","href":"https://rdap.godaddy.com/v1/domain/X.COM","type":"application/rdap+json","value":"https://rdap.godaddy.com/v1/domain/X.COM"}],"events":[{"eventDate":"1993-04-02T05:00:00Z","eventAction":"registration"},{"eventDate":"2034-10-20T19:56:17Z","eventAction":"expiration"},{"eventDate":"2024-12-03T21:03:37Z","eventAction":"last changed"},{"eventDate":"2025-06-23T00:38:18Z","eventAction":"last update of RDAP database"}],"handle":"1026563_DOMAIN_COM-VRSN","status":["client delete prohibited","client renew prohibited","client transfer prohibited","client update prohibited"],"ldhName":"X.COM","notices":[{"links":[{"href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html"}],"title":"Terms of Use","description":["Service subject to Terms of Use."]},{"links":[{"href":"https://icann.org/epp","type":"text/html"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"href":"https://icann.org/wicf","type":"text/html"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"roles":["registrar"],"handle":"146","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:480-624-2505"],["email",{},"text","abuse@godaddy.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"146"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","GoDaddy.com, LLC"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"A.R10.TWTRDNS.NET","objectClassName":"nameserver"},{"ldhName":"A.U10.TWTRDNS.NET","objectClassName":"nameserver"},{"ldhName":"B.R10.TWTRDNS.NET","objectClassName":"nameserver"},{"ldhName":"B.U10.TWTRDNS.NET","objectClassName":"nameserver"},{"ldhName":"C.R10.TWTRDNS.NET","objectClassName":"nameserver"},{"ldhName":"C.U10.TWTRDNS.NET","objectClassName":"nameserver"},{"ldhName":"D.R10.TWTRDNS.NET","objectClassName":"nameserver"},{"ldhName":"D.U10.TWTRDNS.NET","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_0","icann_rdap_response_profile_0"]}} | Domain is active |
| discord.com | com | com | ICANN | HTTP 200 | 162.159.128.233 | US | {"tiktok":["https://tiktok.com/@discord"],"discord":["https://discord.com/w/assets/1cab095e9147685cece9a11a92ebf9c91982c98f/styles.css","https://discord.com/download","https://discord.com/nitro"],"youtube":["https://youtube.com/discord"],"facebook":["https://facebook.com/discord"],"instagram":["https://instagram.com/discord"],"x-twitter":["https://twitter.com/discord","https://x.com/discord"]} | 2026-07-31 | HSTS, Slack, HTTP/3, Sentry, jQuery 3.5.1, Favicon, HubSpot, Webflow, Zendesk, DocuSign | 2026-08-04 | TRUE | {"A":["162.159.128.233","162.159.135.232","162.159.136.232","162.159.137.232","162.159.138.232"],"DS":[{"digest":"0d240ed360c96e24e86de7d23a00f4ad848d1dabf093cfe2b43ef1443c347d20","key_tag":2371,"algorithm":13,"digest_type":2}],"MX":[{"host":"alt1.aspmx.l.google.com","priority":5},{"host":"alt2.aspmx.l.google.com","priority":5},{"host":"aspmx.l.google.com","priority":1},{"host":"aspmx2.googlemail.com","priority":10},{"host":"aspmx3.googlemail.com","priority":10}],"NS":["gabe.ns.cloudflare.com","sima.ns.cloudflare.com"],"SOA":{"mname":"gabe.ns.cloudflare.com","retry":2400,"rname":"dns.cloudflare.com","expire":604800,"serial":2409592245,"minimum":1800,"refresh":10000},"TXT":["apple-domain-verification=UP89cBit9taWldL9","atlassian-domain-verification=JNe2Ze7P8p623k8f7xRaHDyQWb6VzLxjFga1tu8M7lmVXC0bo1XgdnEsYuGIRFHv","docusign=90632817-c176-45ac-9297-96916059c0c5","google-site-verification=19lneLj60qA3xv2S96DiWzeNjLZZca3otEPR6KhvrBQ","google-site-verification=4lTw99D7TJimzNkaj9WtUoOpZoXad73hmD4WgR7COH4","google-site-verification=AkZq_nCggw5fS3x2crQxF9I_9MEdqqWIVB-mutOiFzw","google-site-verification=P3cQmz_2xQ17u5qOBHf7JIAYGq3HzDq0UtEkbOR6ZjQ","google-site-verification=Xos4rv9-rY3aGpQ6FtxhUC_Buhef0wF88_4rB4HmTZI","google-site-verification=uv4vY9gTOxCxIHlq_V75SMEEvcU44ATbkPcmV0Cpvus","slack-domain-verification=hb2Jt7Z5kT0NqJOuGUM2P6L3ZihqWD3wR17JuECt","v=spf1 include:_spf.google.com include:mail.zendesk.com include:sendgrid.net include:3885857.spf06.hubspotemail.net ip4:198.2.180.60 -all"],"HTTPS":[{"params":["alpn=h3,h2","ipv4hint=162.159.128.233,162.159.135.232,162.159.136.232,162.159.137.232,162.159.138.232"],"target":"","priority":1}],"DNSKEY":[{"flags":256,"protocol":3,"algorithm":13,"public_key":"oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA=="},{"flags":257,"protocol":3,"algorithm":13,"public_key":"mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ=="}]} | 0.000198528 | 18,772,712 | 2026-02-17 | RDAP | 2000-11-06 | 2026-11-06 | 2026-02-17 | Cloudflare, Inc. | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/DISCORD.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/DISCORD.COM"},{"rel":"related","href":"https://rdap.cloudflare.com/rdap/v1/domain/DISCORD.COM","type":"application/rdap+json","value":"https://rdap.cloudflare.com/rdap/v1/domain/DISCORD.COM"}],"events":[{"eventDate":"2000-11-06T11:45:38Z","eventAction":"registration"},{"eventDate":"2026-11-06T11:45:37Z","eventAction":"expiration"},{"eventDate":"2025-08-08T12:01:01Z","eventAction":"last changed"},{"eventDate":"2026-02-17T10:35:21Z","eventAction":"last update of RDAP database"}],"handle":"39993744_DOMAIN_COM-VRSN","status":["client delete prohibited","client transfer prohibited","client update prohibited","server delete prohibited","server transfer prohibited","server update 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| calendly.com | com | com | ICANN | HTTP 200 | 104.18.41.175 | US | {"youtube":["https://youtube.com/c/Calendly"],"facebook":["https://facebook.com/calendly"],"linkedin":["https://linkedin.com/company/calendly/life/lifeatcalendly"],"instagram":["https://instagram.com/calendly"],"x-twitter":["https://x.com/calendly"]} | 2026-07-26 | PWA, HSTS, Miro, React, Slack, HTTP/2, OpenAI, PayPal, Stripe, Favicon | 2026-08-07 | TRUE | 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| dropbox.com | com | com | ICANN | HTTP 200 | 162.125.248.18 | US | {"youtube":["https://youtube.com/user/dropbox"],"facebook":["https://facebook.com/Dropbox"],"x-twitter":["https://twitter.com/Dropbox"]} | 2026-08-01 | HSTS, Miro, Envoy, Slack, HTTP/3, Notion, OpenAI, PayPal, Stripe, Favicon | 2026-08-17 | TRUE | 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| klaviyo.com | com | com | ICANN | HTTP 200 | 13.32.99.16 | US | {"facebook":["https://facebook.com/Klaviyo"],"linkedin":["https://linkedin.com/company/klaviyo"],"instagram":["https://instagram.com/klaviyo"],"x-twitter":["https://twitter.com/klaviyo"]} | 2026-08-07 | PWA, HSTS, Astro, Canva, Slack, HTTP/2, Heroku, Notion, OpenAI, Sanity | 2026-08-10 | TRUE | 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| … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … |
Slack sites by country
| Country | Sites | Share |
|---|---|---|
| 🇺🇸 United States | 21,456 | 80.1% |
| 🇩🇪 Germany | 1,151 | 4.3% |
| 🇳🇱 Netherlands | 829 | 3.1% |
| 🇨🇦 Canada | 593 | 2.2% |
| 🇫🇷 France | 386 | 1.4% |
The Slack dataset
Every site we've detected as running Slack, with version, hosting, country, TLD and traffic rank.
Slack lives inside 2 datasets
Slack detection is part of Technologies (€159/mo) and All data (€599/mo). Buy either to filter the full 28,062-site list, or grab a free preview first.
Which websites are using Slack?
webatla detects every site using Slack and exports them as one downloadable list, so you can see who relies on this technology and what else runs alongside it.
Open the Slack technology dataset to break adoption down by country and TLD, compare it with a competing technology, and track new domains over time.
Frequently asked questions
How many websites use Slack?
webatla detects Slack on 28K websites, refreshed daily, each with its domain, DNS, WHOIS, IP, country and ranking.
Can I download the list of websites using Slack?
Yes, as structured JSONL. Grab a free sample first.
What's included for each site, and how fresh is it?
Domain, DNS, RDAP/WHOIS, the full technology stack, IP & country, PageRank and Harmonic, re-detected and re-exported daily.
How do I find the websites using Slack?
Buy the technology dataset, then download the complete list of domains we detect using Slack, re-exported every day.
What else is in the Slack technology data?
Each row places Slack next to the other technology on the same site, plus DNS, WHOIS, IP, country and ranking.
Can I download just the sites using Slack, or the whole database?
Both. Every site running Slack comes in the Technologies dataset, one downloadable file. Or buy All data for the entire database: technologies plus identity, ranking, DNS and RDAP/WHOIS for every domain, combined in one file. Daily fresh export.
How do I download the list of websites using Slack?
Three steps: (1) grab the free 10,000-row sample to inspect the schema, (2) buy the Technologies dataset, (3) download the full list of every domain we detect running Slack as a JSON Lines file. It is re-exported daily, so you can re-download the freshest list any time inside your access window. Each row carries the domain plus DNS, WHOIS, IP, hosting country and rank.
Get the full list of websites using Slack
Pick the dataset that covers what you need. Each one includes Slack and downloads as JSONL, rebuilt daily.
Want to compare every dataset side by side? Visit the pricing page