ROBTEX.COM - external.cisco.com

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external.cisco.com checked at 2025-12-15T19:25:21.285Z 2854ms 61/61/61 100% R:13 allDone:true timedOut:false

`external.cisco.com`

MX	`aer-mx-01.cisco.com`
		A	2001:420:4621::ad26:d496^{🇳🇱 Cisco Systems, Inc.}
			PTR	`aer-mx-01.cisco.com`
		A	173.38.212.150^{🇳🇱 Cisco Systems, Inc.}
			PTR	`aer-mx-01.cisco.com`
MX	`alln-mx-01.cisco.com`
		A	2001:420:1201:6::ad25:93e6^{🇺🇸 Cisco Systems, Inc.}
			PTR	`alln-mx-01.cisco.com`
		A	173.37.147.230^{🇺🇸 Cisco Systems, Inc.}
			PTR	`alln-mx-01.cisco.com`
MX	`rcdn-mx-01.cisco.com`
		A	2001:420:1101:7::48a3:166^{🇺🇸 Cisco Systems, Inc.}
			PTR	`rcdn-mx-01.cisco.com`
		A	72.163.7.166^{🇺🇸 Cisco Systems, Inc.}
			PTR	`rcdn-mx-01.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.

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AI analysis

external.cisco.com is handled by three mail servers: aer-mx-01.cisco.com, alln-mx-01.cisco.com and rcdn-mx-01.cisco.com.

external.cisco.com shares mail servers with other domains at least in part, for instance joulex.es, jaspersystems.com, ciscoconnectcloud.com, involvio.com and coreoptics.com.

These mail servers are often used together with mail1.dynamicsoft.com, rtp-mx-01.cisco.com, ams-mx-01.cisco.com, smtp2.easydns.com, smtp.easydns.com, smtp.protegonetworks.com and mail.topspin.com.

Host names with two IP numbers:

aer-mx-01.cisco.com points to 2001:420:4621::ad26:d496 and 173.38.212.150.

alln-mx-01.cisco.com points to 2001:420:1201:6::ad25:93e6 and 173.37.147.230.

rcdn-mx-01.cisco.com points to 2001:420:1101:7::48a3:166 and 72.163.7.166.