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RE: Problems at Microsoft?

  • From: Jeff Jirsa
  • Date: Wed Aug 03 14:35:45 2005


> From a cable modem in Seattle behind broadwing, it is going to this, 
> behind SBC in southern California:
> 
> 16    62 ms     61ms     50 ms  
> Savvis-CDN-IAF1075825.cust-rtr.pacbell.net [69.108.147.58]
>
> Makes you wonder if they'll be switching back to Akamai soon. :)
> 

>From Southern California off Level3, I get the akamai'd version:

[jeff@www jeff]$ traceroute download.microsoft.com
traceroute to dom.dl.ms.akadns.net (207.46.253.62), 30 hops max, 38 byte
packets
 1  vps041118.2advanced.net (216.174.103.241)  0.081 ms  0.091 ms  0.054
ms
 2  reverse.techspace.com (216.174.111.210)  0.682 ms  0.435 ms  0.444
ms
 3  reverse.techspace.com (216.174.116.19)  0.816 ms  0.839 ms  0.664 ms
 4  ge-6-1-108.hsa1.Tustin1.Level3.net (65.58.240.5)  1.646 ms  1.253 ms
1.061 ms
 5  4.68.114.1 (4.68.114.1)  1.334 ms  1.690 ms  1.825 ms
 6  as-0-0.mp1.Seattle1.Level3.net (209.247.10.137)  31.052 ms
so-3-0-0.mp2.Seattle1.Level3.net (209.247.9.122)  30.559 ms  30.541 ms
 7  ge-10-1.hsa1.Seattle1.Level3.net (4.68.105.70)  30.957 ms
ge-11-1.hsa1.Seattle1.Level3.net (4.68.105.102)  30.896 ms
ge-10-0.hsa1.Seattle1.Level3.net (4.68.105.6)  30.753 ms
 8  unknown.Level3.net (63.211.220.82)  36.724 ms  34.164 ms  31.604 ms
 9  ten8-3.wst-76cb-1a.ntwk.msn.net (207.46.35.105)  30.788 ms  30.521
ms  30.724 ms
10  pos1-0.iusnixcpxc1201.ntwk.msn.net (207.46.36.210)  30.931 ms
30.782 ms  30.626 ms
11  pos1-0.tke-12ix-2a.ntwk.msn.net (207.46.155.10)  32.050 ms  31.518
ms  31.479 ms
12  po10.tuk-65ns-mcs-1a.ntwk.msn.net (207.46.224.151)  31.212 ms
30.886 ms  31.020 ms

[jeff@www jeff]$ dig +trace download.microsoft.com soa

; <<>> DiG 9.2.2-P3 <<>> +trace download.microsoft.com soa

[snip ....]

microsoft.com.          172800  IN      NS      ns1.msft.net.
microsoft.com.          172800  IN      NS      ns2.msft.net.
microsoft.com.          172800  IN      NS      ns3.msft.net.
microsoft.com.          172800  IN      NS      ns4.msft.net.
microsoft.com.          172800  IN      NS      ns5.msft.net.
;; Received 218 bytes from 192.5.6.30#53(A.GTLD-SERVERS.NET) in 72 ms

download.microsoft.com. 3600    IN      CNAME   main.dl.ms.akadns.net.
;; Received 75 bytes from 207.46.245.230#53(ns1.msft.net) in 31 ms

- J

-- 
Jeff Jirsa
jjirsa@2advanced.net
Senior Network Engineer
2advanced.net: Precision Hosting Platform





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