WWW.ROBTEX.COM - rcdn-core-4.cisco.com

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rcdn-core-4.cisco.com checked at 2025-10-02T22:47:26.949Z 92ms 48/48/48 100% R:14

`rcdn-core-4.cisco.com`

MX	`rcdn-legacy-core.cisco.com`
A	173.37.93.155^{🇺🇸 Cisco Systems, Inc.}
		PTR	`rcdn-core-4.cisco.com`

`cisco.com`

	MX	`aer-mx-01.cisco.com`
	MX	`alln-mx-01.cisco.com`
	NS	`ns1.cisco.com`
	NS	`ns2.cisco.com`
	NS	`ns3.cisco.com`
	MX	`rcdn-mx-01.cisco.com`
	NS	`a28-64.akam.net`
	NS	`a3-64.akam.net`
	A	2001:420:1101:1::185^{🇺🇸 Cisco Systems, Inc.}
	A	72.163.4.185^{🇺🇸 Cisco Systems, Inc.}

rank #302 globally
rank #195 in the tld
This domain name, "cisco.com", is associated with Cisco Systems Inc, a multinational technology company based in San Jose, California, United States. The company specializes in networking hardware and software, telecommunications equipment, and other high-technology services and products. Its domain name is used for its official website where it provides information about its products, services, solutions, support, and more.

PTR for

155.93.37.173.in-addr.arpa

AI analysis

rcdn-core-4.cisco.com points to a single IP: 173.37.93.155.

rcdn-core-4.cisco.com is served by a single mail server, rcdn-legacy-core.cisco.com.

rcdn-core-4.cisco.com shares the same mail server setup as rcdn-core-6.cisco.com, rcdn-core-5.cisco.com and rcdn-core-1.cisco.com.

rcdn-core-4.cisco.com shares at least some mail servers with other domains, for instance cio-sys.cisco.com and bgl-core-1.cisco.com.

These mail servers are often used alongside the mail servers alln-legacy-core.cisco.com.

dbq