nanog mailing list archives
Re: :)
From: "roy alcala" <roy () mci net>
Date: Wed, 04 Sep 1996 15:23:03 -0400
This is a private interconnect between Sprint and MCI, and the serial subnet comes out of address space assigned to MCI (so the inverse mapping is handled by MCI as well). We didn't really know what map the inverse address to in the PTR record, but we wanted it to have *some* mapping, so we just picked an arbitrary hostname. We'd be happy to change this mapping to some other hostname (or CNAME the inverse address), if the Sprint folks would prefer something different :-) The other end of the link has a more-descriptive DNS entry: roy@ns% host -t ptr 89.77.157.206.in-addr.arpa 89.77.157.206.in-addr.arpa PTR core4-hssi5-0.WillowSprings.mci.net - roy - ------------------------------------------------------------------------- | roy alcala | MCI | | IP Development | 2100 Reston Parkway | | roy () mci net | Reston, Virginia 22091 | | beep-roy () mci net (pager) | (703) 715-7425 | | (800) SKY-PAGE PIN 1633689 | (703) 715-7066 FAX | -------------------------------------------------------------------------
I guess sometimes they don't like to tell us what kind of link they have. 4 core1-fddi-1.Denver.mci.net (204.70.3.113) 208 ms 29 ms 19 ms 5 somerouter.sprintlink.net (206.157.77.90) 84 ms 90 ms * 6 somerouter.sprintlink.net (206.157.77.90) 86 ms 88 ms 88 ms 7 * sl-chi-6-F0/0.sprintlink.net (144.228.50.6) 168 ms 92 ms Christian
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- :) Christian Nielsen (Sep 04)