Slack.com Slack


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.33 sec.
Last Checked: 07/08/2025

Slack.com traffic volume is 447,640 unique daily visitors and their 3,402,063 pageviews. The web value rate of slack.com is 44,696,104 USD. Each visitor makes around 8.13 page views on average.

By Alexa's traffic estimates slack.com placed at 424 position over the world, while the largest amount of its visitors comes from United States, where it takes 117 place.

Perfect for slack.com that their data center (provided by company company AMAZON-02 - Amazon.com, Inc., US) is located in United States, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by AMAZON-02 - Amazon.com, Inc., US.

Slack.com registered under .COM top-level domain. Check other websites in .COM zone.

The last verification results, performed on (February 17, 2025) slack.com show that slack.com has an expired SSL certificate issued by Let's Encrypt (expired on April 25, 2025). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust slack.com is pretty a safe domain.

Relying Google MobileFriendly test slack.com is well optimized for mobile and tablet devices.


Global Rank
209
Average Load Time
0.79sec
Links In Count
1,591
Website Value
$41.8 M

Overview
Last Updated: 07/08/2025
Overall result - slack.com is safe.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 02/01/2025
slack.com is safe.
Norton ConnectSafe evaluates slack.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 07/08/2025
slack.com is safe.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Google Safe Browsing
Last Updated: 08/11/2020
slack.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 02/22/2021
slack.com is safe.
McAfee assesses slack.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze slack.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
slack.com child safety is very good.
The WOT calculates reputation of the slack.com. This reputation system receives ratings from users and information from third-party sources, assesses the slack.com for safety features and confirms, whether slack.com is suitable for children.

SSL Information
Domainslack.com
Issuer OrganizationLet's Encrypt
IssuerR10
AlgorithmRSA-SHA256
Valid form01/25/2025
Expiration04/25/2025
SignedCertificate is not self signed
Additional Domains *.slack.com
slack.com
Server Location

ASN Information

ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 04/04/2025

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

WHOIS

Domain Name: SLACK.COM
Registry Domain ID: 900992_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2023-09-18T10:50:08Z
Creation Date: 1992-10-21T04:00:00Z
Registry Expiry Date: 2025-10-20T04:00:00Z
Registrar: MarkMonitor Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
Registrar Abuse Contact Phone: +1.2086851750
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Domain Status: serverDeleteProhibited https://icann.org/epp#serverDeleteProhibited
Domain Status: serverTransferProhibited https://icann.org/epp#serverTransferProhibited
Domain Status: serverUpdateProhibited https://icann.org/epp#serverUpdateProhibited
Name Server: NS-1493.AWSDNS-58.ORG
Name Server: NS-166.AWSDNS-20.COM
Name Server: NS-1901.AWSDNS-45.CO.UK
Name Server: NS-606.AWSDNS-11.NET
DNSSEC: signedDelegation
DNSSEC DS Data: 296 13 2 601D7EC07E7DEE6E1AB6A3E5B2DA170F8353375FEA63AF2B732FAA5A22898EA0
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-09T11:07:18Z


DNS Records
HostA RecordTTL
slack.com18.168.172.23860
slack.com18.169.120.19160
slack.com18.134.215.4160
slack.com18.169.61.18960
HostMX RecordPriorityTTL
slack.comaspmx.l.google.com160
slack.comaspmx2.googlemail.com1060
slack.comaspmx3.googlemail.com1060
slack.comalt1.aspmx.l.google.com560
slack.comalt2.aspmx.l.google.com560
HostNS RecordTTL
slack.comns-1493.awsdns-58.org3600
slack.comns-166.awsdns-20.com3600
slack.comns-1901.awsdns-45.co.uk3600
slack.comns-606.awsdns-11.net3600
HostTXT RecordTTL
slack.comOSSRH-547333600
slack.comgoogle-site-verification=2PK67oVPNyEtS1avSlr3PhH5nSiFuticbQv_bT4pM2k3600
slack.comgoogle-site-verification=KqX3Ngw0XEjz_0GVx_xwFFlCoO-bskhqU_lxv0Q77mk3600
slack.comgoogle-site-verification=efuXt5-oMr2CdNmVi6A9IO29KMKifpseD1qokxjWwcE3600
slack.comgoogle-site-verification=kB1KvgpSk9YkHsFmsj1VPI5YmDvfKctPxnplhGjyqtE3600
slack.comgoogle-site-verification=o2grd1TLmZZ8GrqbhVIFtzO2MRLTtSUpBBIBYfhQVCQ3600
slack.comgoogle-site-verification=v-LLB__IhraaI7ZzuE3jvRFIm2vERPLzWoepAEZJtKQ3600
slack.comhubspot-developer-verification=OTE4NzYxYTgtMDUwZi00MzgzLTk2YTUtZDAwNjBlODg1MWM03600
slack.comspycloud-domain-verification=02e4c0be-cf43-44e4-beaf-4f99702ca6323600
slack.comv=spf1 ip4:54.240.37.228/31 ip4:54.240.35.24/29 ip4:54.240.35.20/30 ip4:69.169.237.194 ip4:69.169.237.192/31 ip4:69.169.237.184/29 ip4:69.169.237.180/30 ip4:69.169.237.179 include:_spf.qualtrics.com include:mail.zendesk.com -all3600

ns-1493.awsdns-58.org
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 300

Warnings

Errors

Last tested: 06/12/2016

Desktop
Desktop Speed
83%

Desktop Resource Breakdown
Total Resources78
Number of Hosts35
Static Resources39
JavaScript Resources22
CSS Resources5

Last tested: 12/17/2017

Mobile
Mobile Usability
100%
Mobile Speed
68%

Mobile Resource Breakdown
Total Resources96
Number of Hosts41
Static Resources40
JavaScript Resources24
CSS Resources2
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