IPLIST.NET - postmaster.rr.com

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postmaster.rr.com checked at 2025-10-06T15:23:30.058Z 468ms 53/53/53 100% R:11

`postmaster.rr.com`

MX	`cdptpa-postmx01.email.rr.com`
		A	107.14.168.160^{🇺🇸 RoadRunner}
			PTR	`cdptpa-postmx01.email.rr.com`
MX	`dnvrco-postmx01.email.rr.com`
		A	107.14.64.159^{🇺🇸 Charter Communications (7843)}
			PTR	`dnvrco-postmx01.email.rr.com`
A	107.14.168.165^{🇺🇸 RoadRunner}
		PTR	`postmaster.rr.com`

`rr.com`

	NS	`dns1.rr.com`
	NS	`dns2.rr.com`
	NS	`dns3.rr.com`
	NS	`dns5.rr.com`
	NS	`dns6.rr.com`
	MX	`cdptpa-postmx01.email.rr.com`
	MX	`dnvrco-postmx01.email.rr.com`
	A	71.74.180.193^{🇺🇸 Charter Communications (7843)}
	A	71.74.186.228^{🇺🇸 Charter Communications (7843)}

rank #4590 globally
rank #2335 in the tld

PTR for

165.168.14.107.in-addr.arpa

Up

feedback.postmaster.rr.com

Starts with same word

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AI analysis

postmaster.rr.com is a parent of feedback.postmaster.rr.com.

postmaster.rr.com points to a single IP address: 107.14.168.165.

postmaster.rr.com is handled by two mail servers: cdptpa-postmx01.email.rr.com and dnvrco-postmx01.email.rr.com.

postmaster.rr.com shares the same mail server setup as other domains, for instance rr.com.

Some mail servers are shared between postmaster.rr.com and other domains, for instance houston.rr.com.

Hostnames with a single IP

cdptpa-postmx01.email.rr.com resolves to: 107.14.168.160.

dnvrco-postmx01.email.rr.com resolves to: 107.14.64.159.

dbq