Hosting check
Who hosts slack.com?
slack.com is hosted by Amazon Web Services in Frankfurt am Main, Germany. DNS by Amazon Route 53. Email by Google Workspace.
Checked 14 Oct 2026 at 12:14 UTC
Server
3.68.175.98
Amazon.com, Inc. · AS16509
🇩🇪Frankfurt am Main, Germany
Checks
6 of 7 checks pass
Warnings are worth a look, but nothing is broken.
Hosting provider
Medium confidence
Amazon Web Services
Cloud networkAS16509. The address belongs to a cloud network. Any of its customers could run this server, so the host is the cloud, not necessarily the company behind the site.
- Network
Owns the IP address that answered our lookup.
How we know
1 signal- NetworkAS16509Amazon Web Services
IP & network
3.68.175.98 · Frankfurt am Main
- IP address
- 3.68.175.98
- Reverse DNS
- ec2-3-68-175-98.eu-central-1.compute.amazonaws.com
- Network
- Amazon.com, Inc.AS16509 · business
- Route
- 3.64.0.0/12
- Location
- Frankfurt am Main, Hesse, Germany
- Timezone
- Europe/Berlin
Coordinates, postal code and company
Geolocation describes the network's registered location, not a street address. For a data center IP the postal code and coordinates are approximate.
- Coordinates
- 50.1155,8.6842
- Postal code
- 60306
- Country code
- DE
DNS records
31 records in 6 types
- A
6 records
IPv4 addresses the name points to
- 3.68.175.98
- 18.159.197.225
- 52.29.238.212
- 3.68.124.95
- 3.68.124.168
- 3.68.170.153
- NS
4 records
Nameservers that answer for the zone
- ns-166.awsdns-20.com
- ns-606.awsdns-11.net
- ns-1493.awsdns-58.org
- ns-1901.awsdns-45.co.uk
- MX
5 records
Mail servers, lowest priority first
- 1 aspmx.l.google.com
- 5 alt1.aspmx.l.google.com
- 5 alt2.aspmx.l.google.com
- 10 aspmx2.googlemail.com
- 10 aspmx3.googlemail.com
- CAA
3 records
Certificate authorities allowed to issue certificates
- 0 iodef "mailto:hostmaster@slack-corp.com"
- 0 issue "digicert.com; account=455b15ed272bed097725c6ea50e89921fc57379c5338a29305c05771df65fff1"
- 0 issue "letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1532134906"
- SOA
1 record
Zone authority: primary nameserver, admin mailbox and timers
- ns-1493.awsdns-58.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 300
- TXT
12 records
1 SPF policy, 9 ownership proofs, 2 other
- OSSRH-54733
- _0vidyxobp6x350odqhb4fo7fdxhmtq3
- spycloud-domain-verification=02e4c0be-cf43-44e4-beaf-4f99702ca632
- google-site-verification=2PK67oVPNyEtS1avSlr3PhH5nSiFuticbQv_bT4pM2k
SSL certificate
- Status
- Valid certificateTrusted by browsers and covers slack.com. Expires in 82 days.
- Issuer
- Let's Encrypt (YR2)
- Common name
- slack.com
- Protocol
- TLSv1.3
- Valid from
- October 7, 2026 at 08:37 AM UTC
- Valid to
- January 5, 2027 at 08:37 AM UTCExpires in 82 days
Covered hostnames
2 names- *.slack.com
- slack.com
Certificate chain
4 certificatesslack.com
Server certificate · Issued by Let's Encrypt (YR2) · Valid to 05 Jan 2027
Let's Encrypt (YR2)
Intermediate · Issued by ISRG (Root YR) · Valid to 02 Sept 2028
ISRG (Root YR)
Intermediate · Issued by Internet Security Research Group (ISRG Root X1) · Valid to 02 Sept 2032
Internet Security Research Group (ISRG Root X1)
Root · Valid to 04 Jun 2035
Serial number and fingerprints
- Serial number
- 063F6FFAF15E88E24C469E402E4503D44086
- SHA-256
- 5F:83:B5:A9:4A:F5:62:CB:44:0B:4C:D4:E5:7C:A1:2E:95:59:8A:62:0B:06:5E:03:2A:3F:5E:93:9B:8A:F3:FE
- SHA-1
- E1:05:EC:39:BA:B8:C7:27:DE:34:C9:B1:05:BB:15:8A:8D:CC:42:9A
Domain registration
Registered 21 Oct 1992
Expires in 370 daysRegistration data for slack.com, from the registry's RDAP or WHOIS service.
- Registrar
- MarkMonitor Inc.IANA ID 292
- Registrant
- Slack Technologies, Inc.US
- Registered
- 21 Oct 199233 years, 11 months old
- Expires
- 20 Oct 2027Expires in 370 days
- Last updated
- 18 Sept 2025
- DNSSEC
- Signed
- Abuse email
- abusecomplaints@markmonitor.com
- Abuse phone
- +1.2086851750
Status
Nameservers
4 nameservers- ns-1493.awsdns-58.org
- ns-166.awsdns-20.com
- ns-1901.awsdns-45.co.uk
- ns-606.awsdns-11.net
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