MXLIST.NET - auth.returnpath.net

Search for IP or hostnames:

auth.returnpath.net checked at 2025-10-14T06:09:36.316Z 421ms 97/97/97 100% R:11

`auth.returnpath.net`

NS	`ns-162.awsdns-20.com`
		A	2600:9000:5300:a200::1 ^{🇺🇸 Amazon}
			PTR	`ns-162.awsdns-20.com`
		A	205.251.192.162^{🇺🇸 Amazon}
			PTR	`ns-162.awsdns-20.com`
NS	`ns-645.awsdns-16.net`
		A	2600:9000:5302:8500::1 ^{🇺🇸 Amazon}
			PTR	`ns-645.awsdns-16.net`
		A	205.251.194.133^{🇺🇸 Amazon}
			PTR	`ns-645.awsdns-16.net`
NS	`ns-1046.awsdns-02.org`
		A	2600:9000:5304:1600::1 ^{🇺🇸 Amazon}
			PTR	`ns-1046.awsdns-02.org`
		A	205.251.196.22^{🇺🇸 Amazon}
			PTR	`ns-1046.awsdns-02.org`
MX	`mail.emaildefense.proofpoint.com`
		A	34.204.228.74^{🇺🇸 Amazon}
			PTR	`ec2-34-204-228-74.compute-1.amazonaws.com`
		A	54.165.101.216^{🇺🇸 Amazon}
			PTR	`ec2-54-165-101-216.compute-1.amazonaws.com`
		A	54.236.214.32^{🇺🇸 Amazon}
			PTR	`ec2-54-236-214-32.compute-1.amazonaws.com`
NS	`ns-1774.awsdns-29.co.uk`
		A	2600:9000:5306:ee00::1 ^{🇺🇸 Amazon}
			PTR	`ns-1774.awsdns-29.co.uk`
		A	205.251.198.238^{🇺🇸 Amazon}
			PTR	`ns-1774.awsdns-29.co.uk`

`returnpath.net`

	NS	`ns-101.awsdns-12.com`
	MX	`us-smtp-inbound-1.mimecast.com`
	MX	`us-smtp-inbound-2.mimecast.com`
	NS	`ns-631.awsdns-14.net`
	NS	`ns-1475.awsdns-56.org`
	NS	`ns-1620.awsdns-10.co.uk`
	A	2620:12a:8000::1 ^{🇺🇸 Fastly}
	A	2620:12a:8001::1 ^{🇺🇸 Fastly}
	A	23.185.0.1^{🇺🇸 Fastly}

rank #355516 globally
rank #12240 in the tld

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AI analysis

auth.returnpath.net is delegated to four name servers: ns-162.awsdns-20.com, ns-645.awsdns-16.net, ns-1046.awsdns-02.org and ns-1774.awsdns-29.co.uk.

auth.returnpath.net at least partially shares name servers with other domains, for instance epsom.es, inscriptacp.com, d15yc1ruklb1w6.cloudfront.net, gitpot.com and southwestimagingservices.com.

These name servers are often used together with the name servers ns-1503.awsdns-59.org, ns-1104.awsdns-10.org, ns-1633.awsdns-12.co.uk, ns-779.awsdns-33.net, ns-1603.awsdns-08.co.uk, ns-870.awsdns-44.net, ns-1050.awsdns-03.org, ns-1957.awsdns-52.co.uk, ns-1989.awsdns-56.co.uk and ns-1352.awsdns-41.org.

Host names with two IP numbers:

Host name ns-162.awsdns-20.com points to: 2600:9000:5300:a200::1 and 205.251.192.162.

Host name ns-645.awsdns-16.net points to: 2600:9000:5302:8500::1 and 205.251.194.133.

Host name ns-1046.awsdns-02.org points to: 2600:9000:5304:1600::1 and 205.251.196.22.

Host name ns-1774.awsdns-29.co.uk points to: 2600:9000:5306:ee00::1 and 205.251.198.238.

auth.returnpath.net is handled by a single mail server, mail.emaildefense.proofpoint.com.

auth.returnpath.net shares the same mail server setup as other domains, for example emaildefense.proofpoint.com.

Host name mail.emaildefense.proofpoint.com points to three IP numbers: 34.204.228.74, 54.165.101.216 and 54.236.214.32.

dbq