IPLIST.NET - auth.returnpath.net

Search for IP or hostnames:

auth.returnpath.net checked at 2025-09-13T09:59:24.555Z 1981ms 97/97/97 100% R:12

`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

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, are delegated to auth.returnpath.net.

The name servers of auth.returnpath.net are at least partially shared with other domains such as epsom.es, inscriptacp.com, d15yc1ruklb1w6.cloudfront.net, gitpot.com, and southwestimagingservices.com.

The name servers ns-870.awsdns-44.net, ns-1050.awsdns-03.org, ns-1957.awsdns-52.co.uk, 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-604.awsdns-11.net, and ns-1989.awsdns-56.co.uk are commonly used in conjunction.

Two IP numbers, 2600:9000:5300:a200::1 and 205.251.192.162, are pointed to by ns-162.awsdns-20.com. Similarly, ns-645.awsdns-16.net directs to 2600:9000:5302:8500::1 and 205.251.194.133. Moreover, ns-1046.awsdns-02.org is associated with 2600:9000:5304:1600::1 and 205.251.196.22, and ns-1774.awsdns-29.co.uk points to 2600:9000:5306:ee00::1 and 205.251.198.238.

The mail server, mail.emaildefense.proofpoint.com, is responsible for handling auth.returnpath.net.

The mail server setup of auth.returnpath.net is identical to that of other domains, such as emaildefense.proofpoint.com.

mail.emaildefense.proofpoint.com is configured to point to three IP addresses: 34.204.228.74, 54.165.101.216, and 54.236.214.32.

dbq