iptc.slack.com - robtex.com

iptc.slack.com

DNSSEC⚠️ Not signed
A3.95.117.96🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-95-117-96.compute-1.amazonaws.com
A3.210.88.6🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
A34.193.255.5🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
A34.196.46.202🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
A34.202.253.6🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
A34.203.97.10🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
A34.204.109.226🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
A34.205.195.66🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
A34.225.62.185🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix
A34.231.24.224🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix
A52.73.140.59🇺🇸 Amazon52.72.0.0/15 EC2 IAD prefix
A54.92.199.186🇺🇸 Amazon54.92.128.0/17 EC2 IAD prefix
A54.147.59.169🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix
A54.163.235.119🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix
A54.225.153.205🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix
MXinbound-smtp.us-east-1.amazonaws.com ⭐
A3.211.210.226🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-211-210-226.compute-1.amazonaws.com
A44.206.9.87🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-206-9-87.compute-1.amazonaws.com
A44.210.166.32🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-210-166-32.compute-1.amazonaws.com
A54.164.173.191🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix
PTRec2-54-164-173-191.compute-1.amazonaws.com
A54.197.5.236🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-197-5-236.compute-1.amazonaws.com
TXTv=spf1 -all

slack.com

DNSSEC⚠️ Not signed
A35.81.85.251🇺🇸 Amazon35.80.0.0/12 EC2 PDX prefix
A35.82.91.193🇺🇸 Amazon35.80.0.0/12 EC2 PDX prefix
A44.234.235.93🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
A44.237.180.172🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
A52.89.90.67🇺🇸 Amazon52.88.0.0/15 EC2 PDX Prefix
A54.70.179.16🇺🇸 Amazon54.70.0.0/15 EC2 PDX Prefix
A54.71.95.193🇺🇸 Amazon54.70.0.0/15 EC2 PDX Prefix
A54.188.33.22🇺🇸 Amazon54.188.0.0/15 EC2 PDX prefix
A54.245.50.245🇺🇸 Amazon54.245.0.0/17 EC2 PDX prefix
NSns-1493.awsdns-58.org ⭐
NSns-166.awsdns-20.com
NSns-1901.awsdns-45.co.uk
NSns-606.awsdns-11.net
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXaspmx2.googlemail.com(10)
MXaspmx3.googlemail.com(10)
TXTOSSRH-54733
TXT_0vidyxobp6x350odqhb4fo7fdxhmtq3
TXTgoogle-site-verification=2PK67oVPNyEtS1avSlr3PhH5nSiFuticbQv_bT4pM2k
TXTgoogle-site-verification=KqX3Ngw0XEjz_0GVx_xwFFlCoO-bskhqU_lxv0Q77mk
TXTgoogle-site-verification=QvelFPjIOe3Vavw0q-aAVYaAPKmWCRjmmVVEAjgfjQc
TXTgoogle-site-verification=efuXt5-oMr2CdNmVi6A9IO29KMKifpseD1qokxjWwcE
TXTgoogle-site-verification=kB1KvgpSk9YkHsFmsj1VPI5YmDvfKctPxnplhGjyqtE
TXTgoogle-site-verification=o2grd1TLmZZ8GrqbhVIFtzO2MRLTtSUpBBIBYfhQVCQ
TXTgoogle-site-verification=v-LLB__IhraaI7ZzuE3jvRFIm2vERPLzWoepAEZJtKQ
TXThubspot-developer-verification=OTE4NzYxYTgtMDUwZi00MzgzLTk2YTUtZDAwNjBlODg1MWM0
TXTspycloud-domain-verification=02e4c0be-cf43-44e4-beaf-4f99702ca632
TXTv=spf1 include:_spf.qualtrics.com include:mail.zendesk.com include:_spfextra....
SOAns-1493.awsdns-58.orgawsdns-hostmaster@amazon.com serial=1
WOT: SAFE (93/100)
rank #424 globally
rank #270 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: #311
slack.com - Tranco Rank (30d: ↑+14)307310315320325330335Jan 4Jan 13Jan 22Jan 31Feb 9Feb 10Rank#332#318

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

33 records (16 active, 17 former)

201820192020202120222023202420252026MXinbound-smtp.us-east-1.amazonaws.commxa.mailgun.orgmxb.mailgun.orgA3.210.88.63.95.117.9634.193.255.534.196.46.20234.202.253.634.203.97.1034.204.109.22634.205.195.6634.225.62.18534.231.24.22452.73.140.5954.147.59.16954.163.235.11954.225.153.20554.92.199.18618.159.197.2253.68.124.1683.68.124.953.68.170.1533.68.175.9852.29.238.21252.84.130.11952.84.170.8552.84.20.8752.84.219.13752.84.246.24652.85.196.7254.192.109.21354.192.2.20954.230.132.132
●MXinbound-smtp.us-east-1.amazonaws.com2026-02-25 → 2026-03-24 · 3 obs
○ 2017-07-07 10:48:26
● 2026-02-25 20:59:28
● 2026-03-24 11:56:46
○MXmxa.mailgun.org2017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
○MXmxb.mailgun.org2017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
○A18.159.197.2252026-02-25 → 2026-03-07 · 4 obs
○ 2017-07-07 10:48:26
● 2026-02-25 20:59:28
● 2026-03-07 01:17:00
○ 2026-03-24 11:56:46
●A3.210.88.62026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
○A3.68.124.1682026-02-25 → 2026-03-07 · 4 obs
○ 2017-07-07 10:48:26
● 2026-02-25 20:59:28
● 2026-03-07 01:17:00
○ 2026-03-24 11:56:46
○A3.68.124.952026-02-25 → 2026-03-07 · 4 obs
○ 2017-07-07 10:48:26
● 2026-02-25 20:59:28
● 2026-03-07 01:17:00
○ 2026-03-24 11:56:46
○A3.68.170.1532026-02-25 → 2026-03-07 · 4 obs
○ 2017-07-07 10:48:26
● 2026-02-25 20:59:28
● 2026-03-07 01:17:00
○ 2026-03-24 11:56:46
○A3.68.175.982026-02-25 → 2026-03-07 · 4 obs
○ 2017-07-07 10:48:26
● 2026-02-25 20:59:28
● 2026-03-07 01:17:00
○ 2026-03-24 11:56:46
●A3.95.117.962026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
●A34.193.255.52026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
●A34.196.46.2022026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
●A34.202.253.62026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
●A34.203.97.102026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
●A34.204.109.2262026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
●A34.205.195.662026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
●A34.225.62.1852026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
●A34.231.24.2242026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
○A52.29.238.2122026-02-25 → 2026-03-07 · 4 obs
○ 2017-07-07 10:48:26
● 2026-02-25 20:59:28
● 2026-03-07 01:17:00
○ 2026-03-24 11:56:46
●A52.73.140.592026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
○A52.84.130.1192017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
○A52.84.170.852017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
○A52.84.20.872017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
○A52.84.219.1372017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
○A52.84.246.2462017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
○A52.85.196.722017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
●A54.147.59.1692026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
●A54.163.235.1192026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
○A54.192.109.2132017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
○A54.192.2.2092017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
●A54.225.153.2052026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46
○A54.230.132.1322017-07-07 → 2017-07-07 · 3 obs
● 2017-07-07 10:48:26
○ 2026-02-25 20:59:28
○ 2026-03-24 11:56:46
●A54.92.199.1862026-03-24 → 2026-03-24 · 3 obs
○ 2026-02-25 20:59:28
○ 2026-03-07 01:17:00
● 2026-03-24 11:56:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net...-
slack.comns-166.awsdns-20.com, ns-606.awsdns-11.net, ns-1901.awsdns-45.co.uk, ns-1493.awsdns-58.org1 record

✅ 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

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 580ms | Queries: -

📄 Records

TypeCountSample Data
A1534.231.24.224, 54.92.199.186...
MX1inbound-smtp.us-east-1.amazonaws.com (pr
TXT1v=spf1 -all

📌 Glue Records Collected

Total: 1

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

Analysis

IP Addresses

15 IP numbers are pointed to by iptc.slack.com: 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 including kinvey.slack.com, gwgnanodegrees.slack.com, chromiumdev.slack.com, spokane1cd.slack.com and vetsource.slack.com share IP numbers with iptc.slack.com.

Mail Servers

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

iptc.slack.com shares its mail server setup with other domains, including skyarc.org, nwriversidenews.com, themedicaregeek.com, trailer-central.com and blueolivegrilltx.com.

The mail servers for iptc.slack.com are shared with other domains, for instance learnhat.com, grecofitness.com, georuta.net, ivpress.atlassian.net and heatwater.com.

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

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.