`thirdpoint.enterprise.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`

`enterprise.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}
	MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
	TXT	`v=spf1 -all`

WOT: SAFE (89/100)
WOT: SAFE (93/100)

Same first word

thirdpoint.com

thirdpoint.info

DNS History

18 records (3 active, 15 former)

●MXinbound-smtp.us-east-1.amazonaws.com2026-03-15 → 2026-04-01 · 2 obs

● 2026-03-15 00:13:58
● 2026-04-01 02:56:36

○A18.159.197.2252026-03-15 → 2026-03-15 · 3 obs

○ 2026-03-15 00:13:58
● 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

●A18.230.171.1412026-04-01 → 2026-04-01 · 2 obs

○ 2026-03-15 04:28:06
● 2026-04-01 02:56:36

○A3.68.124.1682026-03-15 → 2026-03-15 · 3 obs

○ 2026-03-15 00:13:58
● 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A3.68.124.952026-03-15 → 2026-03-15 · 3 obs

○ 2026-03-15 00:13:58
● 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A3.68.170.1532026-03-15 → 2026-03-15 · 3 obs

○ 2026-03-15 00:13:58
● 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A3.68.175.982026-03-15 → 2026-03-15 · 3 obs

○ 2026-03-15 00:13:58
● 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A35.81.85.2512026-03-15 → 2026-03-15 · 3 obs

● 2026-03-15 00:13:58
○ 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A35.82.91.1932026-03-15 → 2026-03-15 · 3 obs

● 2026-03-15 00:13:58
○ 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A44.234.235.932026-03-15 → 2026-03-15 · 3 obs

● 2026-03-15 00:13:58
○ 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A44.237.180.1722026-03-15 → 2026-03-15 · 3 obs

● 2026-03-15 00:13:58
○ 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A52.29.238.2122026-03-15 → 2026-03-15 · 3 obs

○ 2026-03-15 00:13:58
● 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A52.89.90.672026-03-15 → 2026-03-15 · 3 obs

● 2026-03-15 00:13:58
○ 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A54.188.33.222026-03-15 → 2026-03-15 · 3 obs

● 2026-03-15 00:13:58
○ 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A54.245.50.2452026-03-15 → 2026-03-15 · 3 obs

● 2026-03-15 00:13:58
○ 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A54.70.179.162026-03-15 → 2026-03-15 · 3 obs

● 2026-03-15 00:13:58
○ 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

○A54.71.95.1932026-03-15 → 2026-03-15 · 3 obs

● 2026-03-15 00:13:58
○ 2026-03-15 04:28:06
○ 2026-04-01 02:56:36

●A54.94.183.1482026-04-01 → 2026-04-01 · 2 obs

○ 2026-03-15 04:28:06
● 2026-04-01 02:56:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...	-
slack.com	ns-166.awsdns-20.com, ns-606.awsdns-11.net, ns-1901.awsdns-45.co.uk, ns-1493.awsdns-58.org	1 record

✅ Authoritative Response

Server:205.251.199.109

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

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 501ms | Queries: -

📄 Records

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

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-166.awsdns-20.com)

Analysis

IP Addresses

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

Other host names, for instance phoenixwi.slack.com, coders-tokyo.slack.com, avodi.slack.com, jamf.slack.com and bisq.slack.com share IP numbers with thirdpoint.enterprise.slack.com.

Mail Servers

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

thirdpoint.enterprise.slack.com has the same mail server setup as other domains, including asdacafe.slack.com, pickettspaving.com, ecloudbooks.com, deepdimension.com and horizonsforpatients.com.

thirdpoint.enterprise.slack.com shares some mail servers with other domains, at least partially, such as looksery.atlassian.net, hostuj.cz, life360.atlassian.net, huettenholiday.atlassian.net and pantonexrite.atlassian.net.

These mail servers are often used with the mail servers inbound-smtp.us-west-2.amazonaws.com.

The host name inbound-smtp.us-east-1.amazonaws.com resolves 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.

thirdpoint.enterprise.slack.com - robtex.com