`instapy.slack.com`

DNSSEC	⚠️ Not signed
A	18.230.171.141^{🇧🇷 Amazon18.230.0.0/16 EC2 GRU prefix}
		PTR	`ec2-18-230-171-141.sa-east-1.compute.amazonaws.com`
A	54.94.183.148^{🇧🇷 Amazon54.94.128.0/18 EC2 GRU prefix}
MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
		A	3.211.210.226^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-5-236.compute-1.amazonaws.com`
TXT	`v=spf1 -all`

`slack.com`

	DNSSEC	⚠️ Not signed
	A	18.230.171.141^{🇧🇷 Amazon18.230.0.0/16 EC2 GRU prefix}
	A	54.94.183.148^{🇧🇷 Amazon54.94.128.0/18 EC2 GRU prefix}
	NS	`ns-1493.awsdns-58.org` ⭐
	NS	`ns-166.awsdns-20.com`
	NS	`ns-1901.awsdns-45.co.uk`
	NS	`ns-606.awsdns-11.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	TXT	`OSSRH-54733`
	TXT	`_0vidyxobp6x350odqhb4fo7fdxhmtq3`
	TXT	`google-site-verification=2PK67oVPNyEtS1avSlr3PhH5nSiFuticbQv_bT4pM2k`
	TXT	`google-site-verification=KqX3Ngw0XEjz_0GVx_xwFFlCoO-bskhqU_lxv0Q77mk`
	TXT	`google-site-verification=QvelFPjIOe3Vavw0q-aAVYaAPKmWCRjmmVVEAjgfjQc`
	TXT	`google-site-verification=efuXt5-oMr2CdNmVi6A9IO29KMKifpseD1qokxjWwcE`
	TXT	`google-site-verification=kB1KvgpSk9YkHsFmsj1VPI5YmDvfKctPxnplhGjyqtE`
	TXT	`google-site-verification=o2grd1TLmZZ8GrqbhVIFtzO2MRLTtSUpBBIBYfhQVCQ`
	TXT	`google-site-verification=v-LLB__IhraaI7ZzuE3jvRFIm2vERPLzWoepAEZJtKQ`
	TXT	`hubspot-developer-verification=OTE4NzYxYTgtMDUwZi00MzgzLTk2YTUtZDAwNjBlODg1MWM0`
	TXT	`spycloud-domain-verification=02e4c0be-cf43-44e4-beaf-4f99702ca632`
	TXT	`v=spf1 include:_spf.qualtrics.com include:mail.zendesk.com include:_spfextra....`
	SOA	`ns-1493.awsdns-58.org`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (93/100)
rank #427 globally
rank #274 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.WOT: SAFE (93/100)
📈 Tranco rank: #315

Slack is a business communication platform founded in 2013 and acquired by Salesforce in 2021 for $27.7 billion. With over 18 million daily active users, Slack has become essential collaboration infrastructure for businesses, replacing email for many internal communications.

Slack offers real-time messaging, channels for organized discussions, file sharing, integrations with thousands of apps, and Slack Huddles for quick audio conversations. The platform pioneered many features now standard in business chat tools.

Slack's infrastructure handles millions of concurrent connections with strict real-time requirements. The platform processes billions of messages daily, with significant infrastructure for search and file storage.

DNS for slack.com uses Amazon Route 53 with global distribution. The platform's enterprise customers require high availability and security.

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DNS History

69 records (3 active, 66 former)

●MXinbound-smtp.us-east-1.amazonaws.com2026-02-21 → 2026-04-18 · 3 obs

○ 2017-11-07 03:30:04
● 2026-02-21 08:31:28
● 2026-04-18 16:26:46

○MXmxa.mailgun.org2017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○MXmxb.mailgun.org2017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A13.33.14.302017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A13.33.150.702017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A18.134.215.412026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 03:41:26
● 2026-03-25 16:47:20
○ 2026-04-10 05:01:36
○ 2026-04-18 16:26:46

○A18.159.197.2252026-02-21 → 2026-04-10 · 10 obs

○ 2017-11-07 03:30:04
● 2026-02-21 08:31:28
● 2026-03-19 02:19:04
○ 2026-03-20 13:41:04
○ 2026-03-23 14:20:44
● 2026-03-24 03:41:26
○ 2026-03-25 16:47:20
● 2026-04-10 05:01:36
○ 2026-04-12 06:02:54
○ 2026-04-18 16:26:46

○A18.168.172.2382026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 03:41:26
● 2026-03-25 16:47:20
○ 2026-04-10 05:01:36
○ 2026-04-18 16:26:46

○A18.169.120.1912026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 03:41:26
● 2026-03-25 16:47:20
○ 2026-04-10 05:01:36
○ 2026-04-18 16:26:46

○A18.169.61.1892026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 03:41:26
● 2026-03-25 16:47:20
○ 2026-04-10 05:01:36
○ 2026-04-18 16:26:46

●A18.230.171.1412026-04-18 → 2026-04-18 · 2 obs

○ 2026-04-12 06:02:54
● 2026-04-18 16:26:46

○A205.251.223.862017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A3.210.88.62026-03-20 → 2026-04-12 · 9 obs

○ 2026-03-19 02:19:04
● 2026-03-20 13:41:04
● 2026-03-22 02:22:00
○ 2026-03-23 08:58:28
● 2026-03-23 14:20:44
○ 2026-03-24 03:41:26
○ 2026-04-10 05:01:36
● 2026-04-12 06:02:54
○ 2026-04-18 16:26:46

○A3.68.124.1682026-02-21 → 2026-04-10 · 10 obs

○A3.68.124.952026-02-21 → 2026-04-10 · 10 obs

○A3.68.170.1532026-02-21 → 2026-04-10 · 10 obs

○A3.68.175.982026-02-21 → 2026-04-10 · 10 obs

○A3.95.117.962026-03-20 → 2026-04-12 · 9 obs

○A34.193.255.52026-03-20 → 2026-04-12 · 9 obs

○A34.196.46.2022026-03-20 → 2026-04-12 · 9 obs

○A34.199.94.1302017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A34.202.253.62026-03-20 → 2026-04-12 · 9 obs

○A34.203.97.102026-03-20 → 2026-04-12 · 9 obs

○A34.204.109.2262026-03-20 → 2026-04-12 · 9 obs

○A34.205.195.662026-03-20 → 2026-04-12 · 9 obs

○A34.225.62.1852026-03-20 → 2026-04-12 · 9 obs

○A34.227.33.1762017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A34.228.90.2272017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A34.231.24.2242026-03-20 → 2026-04-12 · 9 obs

○A34.232.231.2522017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A34.235.228.1102017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A34.235.245.2132017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A35.81.85.2512026-03-23 → 2026-03-23 · 5 obs

○ 2026-02-21 08:31:28
○ 2026-03-22 02:22:00
● 2026-03-23 08:58:28
○ 2026-03-23 14:20:44
○ 2026-04-18 16:26:46

○A35.82.91.1932026-03-23 → 2026-03-23 · 5 obs

○ 2026-02-21 08:31:28
○ 2026-03-22 02:22:00
● 2026-03-23 08:58:28
○ 2026-03-23 14:20:44
○ 2026-04-18 16:26:46

○A44.234.235.932026-03-23 → 2026-03-23 · 5 obs

○ 2026-02-21 08:31:28
○ 2026-03-22 02:22:00
● 2026-03-23 08:58:28
○ 2026-03-23 14:20:44
○ 2026-04-18 16:26:46

○A44.237.180.1722026-03-23 → 2026-03-23 · 5 obs

○ 2026-02-21 08:31:28
○ 2026-03-22 02:22:00
● 2026-03-23 08:58:28
○ 2026-03-23 14:20:44
○ 2026-04-18 16:26:46

○A50.19.203.2122017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.0.182.1442017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.1.110.522017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.1.144.1312017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.2.180.622017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.2.74.1212017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.20.8.752017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.201.206.842017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.204.13.1482017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.204.183.2242017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.207.105.1662017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.29.238.2122026-02-21 → 2026-04-10 · 10 obs

○A52.7.73.1572017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.73.140.592026-03-20 → 2026-04-12 · 9 obs

○A52.84.243.692017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A52.89.90.672026-03-23 → 2026-03-23 · 5 obs

○ 2026-02-21 08:31:28
○ 2026-03-22 02:22:00
● 2026-03-23 08:58:28
○ 2026-03-23 14:20:44
○ 2026-04-18 16:26:46

○A54.147.59.1692026-03-20 → 2026-04-12 · 9 obs

○A54.152.228.1512017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A54.163.235.1192026-03-20 → 2026-04-12 · 9 obs

○A54.164.205.282017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A54.165.110.332017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A54.174.229.892017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A54.188.33.222026-03-23 → 2026-03-23 · 5 obs

○ 2026-02-21 08:31:28
○ 2026-03-22 02:22:00
● 2026-03-23 08:58:28
○ 2026-03-23 14:20:44
○ 2026-04-18 16:26:46

○A54.209.15.1802017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A54.225.153.2052026-03-20 → 2026-04-12 · 9 obs

○A54.230.195.1162017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A54.245.50.2452026-03-23 → 2026-03-23 · 5 obs

○ 2026-02-21 08:31:28
○ 2026-03-22 02:22:00
● 2026-03-23 08:58:28
○ 2026-03-23 14:20:44
○ 2026-04-18 16:26:46

○A54.70.179.162026-03-23 → 2026-03-23 · 5 obs

○ 2026-02-21 08:31:28
○ 2026-03-22 02:22:00
● 2026-03-23 08:58:28
○ 2026-03-23 14:20:44
○ 2026-04-18 16:26:46

○A54.71.95.1932026-03-23 → 2026-03-23 · 5 obs

○ 2026-02-21 08:31:28
○ 2026-03-22 02:22:00
● 2026-03-23 08:58:28
○ 2026-03-23 14:20:44
○ 2026-04-18 16:26:46

○A54.80.30.1132017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A54.83.180.1192017-11-07 → 2017-11-07 · 3 obs

● 2017-11-07 03:30:04
○ 2026-02-21 08:31:28
○ 2026-04-18 16:26:46

○A54.92.199.1862026-03-20 → 2026-04-12 · 9 obs

●A54.94.183.1482026-04-18 → 2026-04-18 · 2 obs

○ 2026-04-12 06:02:54
● 2026-04-18 16:26:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
slack.com	ns-166.awsdns-20.com, ns-606.awsdns-11.net, ns-1901.awsdns-45.co.uk, ns-1493.awsdns-58.org	-

✅ Authoritative Response

Server:205.251.192.166

NS records: ns-166.awsdns-20.com, ns-606.awsdns-11.net, ns-1901.awsdns-45.co.uk, ns-1493.awsdns-58.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for slack.com (unsigned zone)

⏱️ Timing

Total: 109ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.94.183.148, 18.230.171.141`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
TXT	1	`v=spf1 -all`

Analysis

IP Addresses

instapy.slack.com resolves to two IP numbers: 18.230.171.141 and 54.94.183.148.

Other host names, for instance app.slack.com, kbank-youtech.slack.com, integraaviation.slack.com, hmart.slack.com and beamland.slack.com share IP numbers with instapy.slack.com.

Mail Servers

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

instapy.slack.com shares the mail server setup with other domains, for example pomonacollege.enterprise.slack.com, nena.site-ym.com, mabeaty.com, tenable-product.slack.com and www.savedroid.de.

instapy.slack.com shares some mail servers with other domains, at least partially; for instance offshoresolutions.atlassian.net, callaghaninnovation.atlassian.net, tenfinance.atlassian.net, mbusa-sales.atlassian.net and adflow.io.

these mail servers are often used together with the mail servers inbound-smtp.us-west-2.amazonaws.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.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.

instapy.slack.com - robtex.com