Is slackb.com legit or a scam?
Official Slack Technologies logging subdomain, registered since 2017, clean reputation, high trust score, zero scam reports.
Analysis Summary
No threats detected
All checks passed. This site appears legitimate — but always stay alert for phishing even on trusted domains.
Website Preview
Automated page render — captured in a safe sandbox. What an ordinary visitor would see when loading the site.
MT Intelligence
slackb.com is owned and operated by Slack Technologies, Inc., a legitimate enterprise software company now part of Salesforce. The domain was registered in November 2017 and is documented in Slack's official developer documentation as their subdomain for logging triggers, functions, and workflows. Our antivirus network reports zero detections across 92 engines, the hosting IP has zero abuse reports, and SSL is valid. Independent review aggregators rate it as legitimate with a trust score of 100. No scam reports, complaints, or negative reviews appear in any consumer database. The domain's age (3,125 days) and consistent business registration confirm it is an established, official service rather than a temporary or fraudulent operation.
Web Research Findings
Our live research agent queries scam-report databases, consumer-review sites, news coverage, and general web search for slackb.com, then cross-checks business-registration records and look-alike domain patterns. Everything below is pulled from what it actually found.
- slackb.com is officially owned by Slack Technologies, Inc. (registrant: Slack Hostmaster, registrar: MarkMonitor, creation date: 2017-11-20)
- Explicitly documented by Slack as their subdomain for general logging of triggers, functions, and workflows (docs.slack.dev/faq)
- Used for client telemetry; referenced in Slack's engineering blog post about a 2021 DNSSEC outage
- Scamadviser rates it as legit with a high/100 trust score and no scam indicators
- Joe Sandbox flagged a sample URL as suspicious due to visual resemblance to slack.com (common for any slack-*.com subdomain)
- No user complaints, scam reports, or negative reviews found on Reddit, Trustpilot, or elsewhere
- Associated with a 2020 HTTP Request Smuggling vulnerability report on HackerOne (bug bounty, not active exploit)
Registered to Slack Technologies, Inc. (a Salesforce company) via MarkMonitor since 2017-11-20
Our research confirmed that slackb.com is an official Slack Technologies subdomain. Business registration data shows it is registered to Slack Technologies, Inc. (a Salesforce company) and has been active since November 2017. Independent review aggregators rate it as legitimate with a trust score of 100 and explicitly state it is safe to use. No scam reports, complaints, or negative reviews were found in consumer databases, Reddit, an independent review aggregator, or news sources. A historical bug-bounty report (2020) documented a resolved HTTP Request Smuggling vulnerability; this was handled through Slack's responsible disclosure process and is not an active threat.
Antivirus Engines
Security Scans
Checked against the major public blocklists used by browsers and security tools — no hits.
Domain & Encryption
Server Reputation
Still, stay alert
No major threat indicators — but a clean scan does not guarantee every page is safe, and phishing emails routinely spoof real domains.
- Double-check the exact URL in your address bar
Confirm you are actually on slackb.com and not a lookalike like s-lackb.com.com or an IDN homoglyph.
- Use a password manager
Password managers only auto-fill on the exact domain they were saved for — they refuse to fill lookalike domains, which is the single best phishing defence.
- OpenDiscuss this site on the forum
If you have first-hand experience with this site — good or bad — share it with the MalwareTips community.
Reputation Sources
How this domain rates across independent threat-intelligence and blocklist providers.
Safety FAQ
Common questions about this site, answered directly from the scan data above — so the answers always reflect the latest verdict on this page.
- Our automated security review found no threat indicators on slackb.com. The site appears legitimate based on the signals we checked, but always stay alert for phishing emails that spoof real domains.
- slackb.com passed our automated security checks with a trust score of 94/100. No antivirus engines or major blacklists flagged the site at the time of the last scan.
- Yes. slackb.com presents a valid TLSv1.3 certificate issued by Let's Encrypt · YR1, expiring in 87 days. Note that SSL only encrypts the connection — it does not guarantee that the site itself is trustworthy.
- slackb.com is 8.6 years old, registered on 11/20/2017 through MarkMonitor Inc.. Scam domains are often freshly registered — a site under 6 months old warrants extra caution.
- No. All 92 antivirus engines in our malware network report slackb.com as clean.
- No. slackb.com is not currently listed on the major browser blocklist feeds that modern browsers use.
- slackb.com resolves to an IP operated by Amazon Data Services Northern Virginia in US (usage type: Data Center/Web Hosting/Transit). Hosting location alone doesn't make a site good or bad, but unusual geography for a brand's claimed country is one of many signals we weigh.
- Yes. slackb.com sits in the global top-100k on Cloudflare Radar, which means it has substantial real-world traffic. That does not automatically make it safe, but established brands almost always rank here and throwaway scam domains almost never do.
User reviews & comments(0)
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