CheckWhois.com

Your go-to tool for domain and IP insights!

Your IP Address: 216.73.217.135

Whois Information

Domain

SLACK.COM

Registrar

MarkMonitor Inc.

IANA ID: 292

Abuse Contact Email: abusecomplaints@markmonitor.com

Abuse Contact Phone: tel:+1.2086851750

Name Servers

  • NS-1493.AWSDNS-58.ORG
  • NS-166.AWSDNS-20.COM
  • NS-1901.AWSDNS-45.CO.UK
  • NS-606.AWSDNS-11.NET

Dates

Created: 33 years ago

1992-10-21T04:00:00Z

Updated: 10 months ago

2025-09-18T12:04:00Z

Expires: in 1 year

2027-10-20T04:00:00Z

Statuses

  • clientDeleteProhibited - Prevents the domain from being deleted
  • clientTransferProhibited - Prevents the domain from being transferred to another registrar
  • clientUpdateProhibited - Prevents the domain from being updated
  • serverDeleteProhibited - Prevents the domain from being deleted by the registry
  • serverTransferProhibited - Prevents the domain from being transferred by the registry
  • serverUpdateProhibited - Prevents the domain from being updated by the registry

DNS Records

A Records (IPv4 Address)

Apex Domain (slack.com)

18.169.120.191
TTL: 36 seconds (36 seconds)
Reverse DNS: ec2-18-169-120-191.eu-west-2.compute.amazonaws.com (Verified ✓)
18.168.172.238
TTL: 36 seconds (36 seconds)
Reverse DNS: ec2-18-168-172-238.eu-west-2.compute.amazonaws.com (Verified ✓)
18.134.215.41
TTL: 36 seconds (36 seconds)
Reverse DNS: ec2-18-134-215-41.eu-west-2.compute.amazonaws.com (Verified ✓)
18.169.61.189
TTL: 36 seconds (36 seconds)
Reverse DNS: ec2-18-169-61-189.eu-west-2.compute.amazonaws.com (Verified ✓)

Submitted Subdomain (join.slack.com)

18.134.215.41
TTL: 1 minute (60 seconds)
Reverse DNS: ec2-18-134-215-41.eu-west-2.compute.amazonaws.com (Verified ✓)
18.168.172.238
TTL: 1 minute (60 seconds)
Reverse DNS: ec2-18-168-172-238.eu-west-2.compute.amazonaws.com (Verified ✓)
18.169.61.189
TTL: 1 minute (60 seconds)
Reverse DNS: ec2-18-169-61-189.eu-west-2.compute.amazonaws.com (Verified ✓)
18.169.120.191
TTL: 1 minute (60 seconds)
Reverse DNS: ec2-18-169-120-191.eu-west-2.compute.amazonaws.com (Verified ✓)

WWW Subdomain (WWW records match main domain)

18.134.215.41
TTL: 1 minute (60 seconds)
Reverse DNS: ec2-18-134-215-41.eu-west-2.compute.amazonaws.com (Verified ✓)
18.168.172.238
TTL: 1 minute (60 seconds)
Reverse DNS: ec2-18-168-172-238.eu-west-2.compute.amazonaws.com (Verified ✓)
18.169.61.189
TTL: 1 minute (60 seconds)
Reverse DNS: ec2-18-169-61-189.eu-west-2.compute.amazonaws.com (Verified ✓)
18.169.120.191
TTL: 1 minute (60 seconds)
Reverse DNS: ec2-18-169-120-191.eu-west-2.compute.amazonaws.com (Verified ✓)

AAAA Records (IPv6 Address)

MX Records (Mail Server)

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

TXT Records (Text Record)

google-site-verification=kB1KvgpSk9YkHsFmsj1VPI5YmDvfKctPxnplhGjyqtE
google-site-verification=QvelFPjIOe3Vavw0q-aAVYaAPKmWCRjmmVVEAjgfjQc
google-site-verification=2PK67oVPNyEtS1avSlr3PhH5nSiFuticbQv_bT4pM2k
spycloud-domain-verification=02e4c0be-cf43-44e4-beaf-4f99702ca632
_0vidyxobp6x350odqhb4fo7fdxhmtq3
google-site-verification=o2grd1TLmZZ8GrqbhVIFtzO2MRLTtSUpBBIBYfhQVCQ
v=spf1 include:_spf.qualtrics.com include:mail.zendesk.com include:_spfextra.slack.com -all
Valid SPF Record
hubspot-developer-verification=OTE4NzYxYTgtMDUwZi00MzgzLTk2YTUtZDAwNjBlODg1MWM0
google-site-verification=KqX3Ngw0XEjz_0GVx_xwFFlCoO-bskhqU_lxv0Q77mk
google-site-verification=efuXt5-oMr2CdNmVi6A9IO29KMKifpseD1qokxjWwcE
OSSRH-54733
google-site-verification=v-LLB__IhraaI7ZzuE3jvRFIm2vERPLzWoepAEZJtKQ

NS Records (Nameserver)

ns-166.awsdns-20.COM
TTL: 3 minutes, 36 seconds (216 seconds)
NS IP: 205.251.192.166
ns-606.awsdns-11.net
TTL: 3 minutes, 36 seconds (216 seconds)
NS IP: 205.251.194.94
ns-1493.awsdns-58.org
TTL: 3 minutes, 36 seconds (216 seconds)
NS IP: 205.251.197.213
ns-1901.awsdns-45.co.uk
TTL: 3 minutes, 36 seconds (216 seconds)
NS IP: 205.251.199.109

SOA Records (Start of Authority)

Primary NS: ns-1493.awsdns-58.org
Admin: awsdns-hostmaster.amazon.COM
Serial: 1, Refresh: 7200s, Retry: 900s, Expire: 1209600s

CNAME Records (Canonical Name)