`inbound.resend.com`

DNSSEC	⚠️ Not signed
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`

`resend.com`

	DNSSEC	⚠️ Not signed
	A	76.76.21.22^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
	NS	`ns-399.awsdns-49.com` ⭐
	NS	`ns-1017.awsdns-63.net`
	NS	`ns-1047.awsdns-02.org`
	NS	`ns-1910.awsdns-46.co.uk`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`OSSRH-89476`
	TXT	`anthropic-domain-verification-eg6zmc=GUL1nibiemWkI0ed7xBdqCp2f`
	TXT	`apple-domain-verification=jSjlmZKPbN4Y6q0RpeZlG9u91rnz7u0I3Sd7Md_PuKQ`
	TXT	`google-site-verification=CUET3Yw2VhI0haxJZ1IfCqDGJyHQVngs3WhrYoFnths`
	TXT	`google-site-verification=XKBn7AaBJgpvdcnqOK8y8HbZicAN-fK0qQVe7UuHDog`
	TXT	`linear-domain-verification=6x2ex3xu3sby`
	TXT	`notion-domain-verification=Z2gCKFyNMpCuoBrnJwskSbxzBRs7JU0FxCaaSEyLEp`
	TXT	`postman-domain-verification=82abfa6892faf4a9b4e83e0e1a1b3c5ead515575a566fbad5...`
	TXT	`v=spf1 include:_spf.google.com ~all`
	SOA	`ns-399.awsdns-49.com`awsdns-hostmaster@amazon.com serial=1

rank #55966 globally
rank #24918 in the tld
📈 Tranco rank: #52,656

MX for

capapp.co

chabadup.com

autoprolocksmith.co.uk

getredpoint.com

intellibooks.io

Same first word

inbound.me

inbound.xyz

inbound.training

inbound.ch

inbound.org

inbound.studio

inbound.com.pl

inbound.business

inbound.cl

inbound.net

inbound.solutions

inbound.work

inbound.ie

inbound.at

inbound.tv

inbound.fi

inbound.co.kr

inbound.digital

inbound.expert

inbound.us

inbound.systems

inbound.partners

inbound.co.za

inbound.com

inbound.email

inbound.es

inbound.tools

inbound.co.jp

inbound.cn

inbound.co

inbound.bg

inbound.dk

inbound.ae

inbound.plus

inbound.be

inbound.guru

inbound.info

inbound.eu

inbound.awsapps.com

inbound.nyc

inbound.cz

inbound.co.in

inbound.today

inbound.jp

inbound.capital

inbound.hu

inbound.biz

inbound.fr

inbound.mx

inbound.com.mx

inbound.li

inbound.report

inbound.it

inbound.id

inbound.ws

inbound.io

inbound.de

inbound.tw

inbound.nu

inbound.deals

inbound.asia

inbound.sg

inbound.ca

Similar names

uniondb.com

unibond.co.uk

unibond.de

bondniu.com

dbunion.net

bdunion.com

unionbd.com

boundin.net

binudon.com

boundin.info

nonibud.com

innobud.com

ubonind.com

unibond.com

bonduni.cn

bonduni.com

boundin.org

unibond.ru

boundin.biz

boundin.com

unionbd.net

bonduni.net

dbunion.com

unibond.ca

unibond.net

unibond.eu

iunbond.com

dobunni.com

DNS History

1 record (1 active, 0 former)

●MXinbound-smtp.us-east-1.amazonaws.com2026-03-21 → 2026-03-28 · 2 obs

● 2026-03-21 00:13:44
● 2026-03-28 01:09:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
resend.com	ns-399.awsdns-49.com, ns-1017.awsdns-63.net, ns-1047.awsdns-02.org, ns-1910.awsdns-46.co.uk	1 record

✅ Authoritative Response

Server:205.251.196.23

NS records: ns-399.awsdns-49.com, ns-1017.awsdns-63.net, ns-1047.awsdns-02.org, ns-1910.awsdns-46.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for resend.com (unsigned zone)

⏱️ Timing

Total: 1881ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-399.awsdns-49.com)

Analysis

Mail Server Role

inbound.resend.com is the mail server for capapp.co, chabadup.com, autoprolocksmith.co.uk, getredpoint.com and intellibooks.io.

inbound-smtp.us-east-1.amazonaws.com, mx10.antispam.mailspamprotection.com and mx20.antispam.mailspamprotection.com are commonly used as mail servers together with inbound.resend.com.

Mail Servers

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

inbound.resend.com uses the same mail server configuration as other domains, such as quartesiankiev.slack.com, aegismsp.com, glue.live, targetthrb.slack.com and 7tradingsins.com.

inbound.resend.com shares mail servers with other domains at least in part, for instance bestbeerjapan.com, myccmortgage.atlassian.net, respondwell.atlassian.net, comprecarshop.com.br and musicvine.com.

These mail servers are often used together with inbound-smtp.us-west-2.amazonaws.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host 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.

inbound.resend.com - robtex.com