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switch4.cord.edu checked at 2025-11-18T07:03:51.802Z 201ms 28/28/28 100% R:8 allDone:true timedOut:false

`switch4.cord.edu`

	A	138.129.254.248^{🇺🇸 AS17326}
			PTR	`switch4.cord.edu`

	NS	`ns01.cord.edu`
	NS	`ns02.cord.edu`
	MX	`d188769a.ess.barracudanetworks.com`
	MX	`d188769b.ess.barracudanetworks.com`
	A	69.20.113.171^{🇺🇸 RACKSPACE-IAD}

rank #106514 globally
rank #1655 in the tld

248.254.129.138.in-addr.arpa

4switch.com

switch4.cord.edu resolves to one IP number: 138.129.254.248.

dbq