`smtp.intercom-mail.com`

DNSSEC	⚠️ Not signed
A	2600:9000:244d:800:19:1477:f380:93a1^{🇺🇸 Amazon2600:9000:244d::/48}
A	2600:9000:244d:2600:19:1477:f380:93a1^{🇺🇸 Amazon2600:9000:244d::/48}
A	2600:9000:244d:4e00:19:1477:f380:93a1^{🇺🇸 Amazon2600:9000:244d::/48}
A	2600:9000:244d:6600:19:1477:f380:93a1^{🇺🇸 Amazon2600:9000:244d::/48}
A	2600:9000:244d:a800:19:1477:f380:93a1^{🇺🇸 Amazon2600:9000:244d::/48}
A	2600:9000:244d:ca00:19:1477:f380:93a1^{🇺🇸 Amazon2600:9000:244d::/48}
A	2600:9000:244d:d200:19:1477:f380:93a1^{🇺🇸 Amazon2600:9000:244d::/48}
A	2600:9000:244d:ec00:19:1477:f380:93a1^{🇺🇸 Amazon2600:9000:244d::/48}
A	3.162.112.42^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.81^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.112^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.118^{🇺🇸 Amazon3.162.112.0/21}
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`

`intercom-mail.com`

	DNSSEC	⚠️ Not signed
	A	3.162.112.42^{🇺🇸 Amazon3.162.112.0/21}
	A	3.162.112.81^{🇺🇸 Amazon3.162.112.0/21}
	A	3.162.112.112^{🇺🇸 Amazon3.162.112.0/21}
	A	3.162.112.118^{🇺🇸 Amazon3.162.112.0/21}
	NS	`ns-1316.awsdns-36.org` ⭐
	NS	`ns-104.awsdns-13.com`
	NS	`ns-1668.awsdns-16.co.uk`
	NS	`ns-835.awsdns-40.net`
	MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
	TXT	`google-site-verification=O7ToNvb1E_fakwLKcuzAtP0ZDGbBWW1xtQt9pWF0JfU`
	TXT	`google-site-verification=cUJmRaSdzVLtQky-UKG41_YmomwIROQWoZRCG0SZ5rk`
	TXT	`google-site-verification=i6igGemRPMi68lAG0w1MQyeVW9dd7FTwMlM8h38qLpg`
	TXT	`google-site-verification=jLMCfeBm6XTBg7c7GcHK5RHdBWPKoYAZ78xAocgURgo`
	TXT	`google-site-verification=kB_CTsUex7B8LlBiSaqPApacpLnxUhAH9x_PtQodkbs`
	TXT	`google-site-verification=kQ1NYKH7wDtvoe9uVfUxTygFnuyAzBiVa8-KYSuSZQ`
	TXT	`google-site-verification=ryezscWwmxNFczpguwN19QQRRABjlvwHefl7TcX9uUw`
	TXT	`google-site-verification=uDmZ9cq1Jus7wv9eGFdFHrxcfEQteyntvUex4uK1vqI`
	TXT	`google-site-verification=xBHdPS0lvjtm1HJ9J4thUCRAd2OjdASJSquW-dkaRQc`
	TXT	`mailru-verification: 7496328e6c29c00c`
	TXT	`v=spf1 ip4:52.27.255.196/30 ip4:52.27.255.200/30 ip4:52.27.255.220/31 ip4:52....`
	SOA	`ns-1316.awsdns-36.org`awsdns-hostmaster@amazon.com serial=1

WOT: UNKNOWN (50/100)
🔒 HSTS Preload (+subdomains)
WOT: UNKNOWN (21/100)
📈 Tranco rank: #37,397

Same first word

smtp.net.ru

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smtp.directory

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smtp.net.ua

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smtp.iki.fi

smtp.org.uk

smtp.at

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smtp.co

smtp.su

smtp.net

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smtp.guru

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smtp.net.in

smtp.network

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smtp.software

smtp.com.es

smtp.nhs.uk

smtp.ch

smtp.zone

smtp.pub

smtp.hosting

smtp.nu

smtp.tj

smtp.tools

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smtp.com.mx

smtp.sk

smtp.co.hu

smtp.ws

smtp.uni5.net

smtp.jc.neen.it

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smtp.demo.jelastic.com

smtp.gouv.km

smtp.hotmail

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smtp.live

smtp.fi

smtp.uk

smtp.or.tz

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smtp.cat

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smtp.paas.massivegrid.com

smtp.mil.tw

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smtp.pythonanywhere.com

smtp.li

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smtp.mydns.jp

smtp.gc.ca

smtp.me

smtp.fi.it

smtp.rs.gov.br

smtp.gov.ru

smtp.business

smtp.ooo

smtp.jelastic.saveincloud.net

smtp.in

smtp.net.au

smtp.to.gov.br

smtp.com.br

smtp.fun

smtp.agency

smtp.pt

smtp.myshopify.com

smtp.ee

smtp.im

smtp.jelastic.dogado.eu

smtp.lat

smtp.cl

smtp.mk

smtp.lu

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smtp.eu

smtp.fail

smtp.bz

smtp.ro

smtp.pl

smtp.goog

smtp.news

smtp.j.scaleforce.net

smtp.lv

smtp.fr

smtp.store

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smtp.gouv.sn

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sptm.jp

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mtps.eu

mstp.de

stmp.fi

mpts.pl

psmt.com.ph

mpts.info

pstm.eu

tpms.pro

tmps.us

ptms.de

psmt.org

tpms.de

mtsp.com.mx

psmt.ru

mstp.cz

mpst.info

mtps.ca

tpms.fr

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mtps.co.za

tpms.be

DNS History

40 records (13 active, 27 former)

●MXinbound-smtp.us-east-1.amazonaws.com2026-03-26 → 2026-03-27 · 2 obs

● 2026-03-26 08:41:32
● 2026-03-27 14:00:06

○A2600:9000:244d:1600:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:17:20
● 2026-03-26 19:17:42
○ 2026-03-27 14:00:04
○ 2026-03-27 14:00:06

○A2600:9000:244d:1a00:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
○ 2026-03-26 19:17:42
○ 2026-03-27 14:00:06

●A2600:9000:244d:2600:19:1477:f380:93a12026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-26 19:17:42
● 2026-03-27 14:00:04
● 2026-03-27 14:00:06

○A2600:9000:244d:4200:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:17:20
● 2026-03-26 19:17:42
○ 2026-03-27 14:00:04
○ 2026-03-27 14:00:06

○A2600:9000:244d:4c00:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
○ 2026-03-26 19:17:42
○ 2026-03-27 14:00:06

●A2600:9000:244d:4e00:19:1477:f380:93a12026-03-26 → 2026-03-27 · 5 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
○ 2026-03-26 19:17:42
● 2026-03-27 14:00:04
● 2026-03-27 14:00:06

●A2600:9000:244d:6600:19:1477:f380:93a12026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-26 19:17:42
● 2026-03-27 14:00:04
● 2026-03-27 14:00:06

○A2600:9000:244d:6a00:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
○ 2026-03-26 19:17:42
○ 2026-03-27 14:00:06

○A2600:9000:244d:6c00:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
○ 2026-03-26 19:17:42
○ 2026-03-27 14:00:06

○A2600:9000:244d:7000:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:17:20
● 2026-03-26 19:17:42
○ 2026-03-27 14:00:04
○ 2026-03-27 14:00:06

○A2600:9000:244d:7600:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:17:20
● 2026-03-26 19:17:42
○ 2026-03-27 14:00:04
○ 2026-03-27 14:00:06

○A2600:9000:244d:7e00:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:17:20
● 2026-03-26 19:17:42
○ 2026-03-27 14:00:04
○ 2026-03-27 14:00:06

●A2600:9000:244d:800:19:1477:f380:93a12026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-26 19:17:42
● 2026-03-27 14:00:04
● 2026-03-27 14:00:06

○A2600:9000:244d:9000:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:17:20
● 2026-03-26 19:17:42
○ 2026-03-27 14:00:04
○ 2026-03-27 14:00:06

○A2600:9000:244d:a000:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
○ 2026-03-26 19:17:42
○ 2026-03-27 14:00:06

●A2600:9000:244d:a800:19:1477:f380:93a12026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-26 19:17:42
● 2026-03-27 14:00:04
● 2026-03-27 14:00:06

○A2600:9000:244d:aa00:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
○ 2026-03-26 19:17:42
○ 2026-03-27 14:00:06

○A2600:9000:244d:ae00:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:17:20
● 2026-03-26 19:17:42
○ 2026-03-27 14:00:04
○ 2026-03-27 14:00:06

○A2600:9000:244d:b800:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 17:17:20
● 2026-03-26 19:17:42
○ 2026-03-27 14:00:04
○ 2026-03-27 14:00:06

●A2600:9000:244d:ca00:19:1477:f380:93a12026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-26 19:17:42
● 2026-03-27 14:00:04
● 2026-03-27 14:00:06

●A2600:9000:244d:d200:19:1477:f380:93a12026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-26 19:17:42
● 2026-03-27 14:00:04
● 2026-03-27 14:00:06

○A2600:9000:244d:dc00:19:1477:f380:93a12026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
○ 2026-03-26 19:17:42
○ 2026-03-27 14:00:06

●A2600:9000:244d:ec00:19:1477:f380:93a12026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-26 19:17:42
● 2026-03-27 14:00:04
● 2026-03-27 14:00:06

○A2600:9000:278f:0:19:1477:f380:93a12026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

○A2600:9000:278f:3c00:19:1477:f380:93a12026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

○A2600:9000:278f:4600:19:1477:f380:93a12026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

○A2600:9000:278f:9800:19:1477:f380:93a12026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

○A2600:9000:278f:a600:19:1477:f380:93a12026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

○A2600:9000:278f:b000:19:1477:f380:93a12026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

○A2600:9000:278f:b200:19:1477:f380:93a12026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

○A2600:9000:278f:cc00:19:1477:f380:93a12026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

●A3.162.112.1122026-03-26 → 2026-03-27 · 3 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
● 2026-03-27 14:00:06

●A3.162.112.1182026-03-26 → 2026-03-27 · 3 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
● 2026-03-27 14:00:06

●A3.162.112.422026-03-26 → 2026-03-27 · 3 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
● 2026-03-27 14:00:06

●A3.162.112.812026-03-26 → 2026-03-27 · 3 obs

○ 2026-03-26 08:41:32
● 2026-03-26 17:17:20
● 2026-03-27 14:00:06

○A3.164.206.1242026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

○A3.164.206.1282026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

○A3.164.206.572026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

○A3.164.206.672026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 08:41:32
○ 2026-03-26 17:17:20
○ 2026-03-27 14:00:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
intercom-mail.com	ns-104.awsdns-13.com, ns-835.awsdns-40.net, ns-1668.awsdns-16.co.uk, ns-1316.awsdns-36.org	1 record

✅ Authoritative Response

Server:205.251.195.67

NS records: ns-104.awsdns-13.com, ns-835.awsdns-40.net, ns-1668.awsdns-16.co.uk, ns-1316.awsdns-36.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for intercom-mail.com (unsigned zone)

⏱️ Timing

Total: 482ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.162.112.42, 3.162.112.112...`
AAAA	8	`2600:9000:244d:9e00:19:1477:f380:93a1, 2600:9000:244d:b000:19:1477:f380:93a1...`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-104.awsdns-13.com)

Analysis

IP Addresses

smtp.intercom-mail.com points to twelve IP numbers: 2600:9000:244d:800:19:1477:f380:93a1, 2600:9000:244d:2600:19:1477:f380:93a1, 2600:9000:244d:4e00:19:1477:f380:93a1, 2600:9000:244d:6600:19:1477:f380:93a1, 2600:9000:244d:a800:19:1477:f380:93a1, 2600:9000:244d:ca00:19:1477:f380:93a1, 2600:9000:244d:d200:19:1477:f380:93a1, 2600:9000:244d:ec00:19:1477:f380:93a1, 3.162.112.42, 3.162.112.81, 3.162.112.112 and 3.162.112.118.

Other host names, for instance d343537b0k4jl0.cloudfront.net, d29pldlu1xnxt6.cloudfront.net, geomap.awsapps.com, 6162.eu-content.swrve.com and d16bkx4i6v6bet.cloudfront.net share IP numbers with smtp.intercom-mail.com.

Mail Servers

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

smtp.intercom-mail.com has the same mail server setup as other domains, including paladinahealth.slack.com, yellz.jp, thaismile2durham.com, gearlearning.io and allocate.build.

smtp.intercom-mail.com shares some mail servers with other domains, at least partially, such as milestone.in, inep-enem.com.br, vighapp.com, erpsupport.atlassian.net and bullvpn.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.

smtp.intercom-mail.com - robtex.com