NSLIST.NET - sys-21.slack.com

Search for IP or hostnames:

sys-21.slack.com checked at 2025-10-08T14:00:50.147Z 242ms 176/176/176 100% R:9

`sys-21.slack.com`

MX	`inbound-smtp.us-east-1.amazonaws.com`
		A	3.211.210.226^{🇺🇸 Amazon}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon}
			PTR	`ec2-54-197-5-236.compute-1.amazonaws.com`
A	3.95.117.96^{🇺🇸 Amazon}
		PTR	`ec2-3-95-117-96.compute-1.amazonaws.com`
A	3.210.88.6^{🇺🇸 Amazon}
		PTR	`ec2-3-210-88-6.compute-1.amazonaws.com`
A	34.193.255.5^{🇺🇸 Amazon}
		PTR	`ec2-34-193-255-5.compute-1.amazonaws.com`
A	34.196.46.202^{🇺🇸 Amazon}
		PTR	`ec2-34-196-46-202.compute-1.amazonaws.com`
A	34.202.253.6^{🇺🇸 Amazon}
		PTR	`ec2-34-202-253-6.compute-1.amazonaws.com`
A	34.203.97.10^{🇺🇸 Amazon}
		PTR	`ec2-34-203-97-10.compute-1.amazonaws.com`
A	34.204.109.226^{🇺🇸 Amazon}
		PTR	`ec2-34-204-109-226.compute-1.amazonaws.com`
A	34.205.195.66^{🇺🇸 Amazon}
		PTR	`ec2-34-205-195-66.compute-1.amazonaws.com`
A	34.225.62.185^{🇺🇸 Amazon}
		PTR	`ec2-34-225-62-185.compute-1.amazonaws.com`
A	34.231.24.224^{🇺🇸 Amazon}
		PTR	`ec2-34-231-24-224.compute-1.amazonaws.com`
A	52.73.140.59^{🇺🇸 Amazon}
		PTR	`ec2-52-73-140-59.compute-1.amazonaws.com`
A	54.92.199.186^{🇺🇸 Amazon}
		PTR	`ec2-54-92-199-186.compute-1.amazonaws.com`
A	54.147.59.169^{🇺🇸 Amazon}
		PTR	`ec2-54-147-59-169.compute-1.amazonaws.com`
A	54.163.235.119^{🇺🇸 Amazon}
		PTR	`ec2-54-163-235-119.compute-1.amazonaws.com`
A	54.225.153.205^{🇺🇸 Amazon}
		PTR	`ec2-54-225-153-205.compute-1.amazonaws.com`

`slack.com`

	NS	`ns-166.awsdns-20.com`
	MX	`aspmx2.googlemail.com`
	MX	`aspmx3.googlemail.com`
	NS	`ns-606.awsdns-11.net`
	NS	`ns-1493.awsdns-58.org`
	MX	`aspmx.l.google.com`
	NS	`ns-1901.awsdns-45.co.uk`
	MX	`alt1.aspmx.l.google.com`
	MX	`alt2.aspmx.l.google.com`
	A	3.95.117.96^{🇺🇸 Amazon}
	A	3.210.88.6^{🇺🇸 Amazon}
	A	34.193.255.5^{🇺🇸 Amazon}
	A	34.196.46.202^{🇺🇸 Amazon}
	A	34.202.253.6^{🇺🇸 Amazon}
	A	34.203.97.10^{🇺🇸 Amazon}
	A	34.204.109.226^{🇺🇸 Amazon}
	A	34.205.195.66^{🇺🇸 Amazon}
	A	34.225.62.185^{🇺🇸 Amazon}
	A	34.231.24.224^{🇺🇸 Amazon}
	A	52.73.140.59^{🇺🇸 Amazon}
	A	54.92.199.186^{🇺🇸 Amazon}
	A	54.147.59.169^{🇺🇸 Amazon}
	A	54.163.235.119^{🇺🇸 Amazon}
	A	54.225.153.205^{🇺🇸 Amazon}

rank #488 globally
rank #309 in the tld
This domain, slack.com, is the official website for Slack, a business communication platform. Slack offers a variety of features such as direct messaging, group chats, and topic-specific channels to help teams communicate and collaborate more effectively. In addition to its communication features, it also allows integration with other services like Google Drive, Trello, and Dropbox.

Starts with same word

sys-21.com

Starts similarily

sys-21.com

AI analysis

sys-21.slack.com denotes fifteen IP numbers: 3.95.117.96, 3.210.88.6, 34.193.255.5, 34.196.46.202, 34.202.253.6, 34.203.97.10, 34.204.109.226, 34.205.195.66, 34.225.62.185, 34.231.24.224, 52.73.140.59, 54.92.199.186, 54.147.59.169, 54.163.235.119 and 54.225.153.205.

Other host names, for instance reason.slack.com, monettechnologies.slack.com, joorinc.slack.com, mrcooper-team.slack.com and gehry.slack.com share IP numbers with sys-21.slack.com.

sys-21.slack.com is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.

sys-21.slack.com shares the mail server setup with other domains, for example alphahub.com, kambal.net, chuanraleigh.com, itsm-sysco-ent.slack.com and saddlebock.com.

sys-21.slack.com shares some mail servers with other domains, at least partially; for instance esgpro.atlassian.net, e-logisticscontrol.atlassian.net, matrixreq.atlassian.net, rockportgroup.atlassian.net and nukeygara.atlassian.net.

these mail servers are commonly used alongside inbound-smtp.us-west-2.amazonaws.com and aspmx.l.google.com.

The host name inbound-smtp.us-east-1.amazonaws.com points to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.

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