WWW.ROBTEX.COM - old-nameserver1.concentric.net

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old-nameserver1.concentric.net checked at 2025-09-06T05:39:18.666Z 100ms 31/31/31 100% R:12

`old-nameserver1.concentric.net`

A	207.155.183.73^{🇺🇸 XO Communications}
		PTR	`marquette.concentric.net`
		PTR	`old-nameserver1.concentric.net`

rank #25321 globally
rank #889 in the tld

PTR for
`73.183.155.207.in-addr.arpa`

207.155.183.73 is the IP address that old-nameserver1.concentric.net points to.

IP numbers are shared between other host names, such as marquette.concentric.net, and old-nameserver1.concentric.net.

dbq