Ximian appears to have dropped off the web (www.ximian.com, helix-update and redcarpet all fail).

[Miles Lane <miles megapathdsl net>]

23:22:38.515867 eth0 > agate.megapathdsl.net.2483 > 
dendrite.ximian.com.www: S 805064825:805064825(0) win 5840 <mss 
1460,sackOK,timestamp 18026922 0,nop,wscale 0> (DF)
23:22:38.525122 eth0 > agate.megapathdsl.net.1026 > 
ns1.megapath.net.domain: 50660+ PTR? 10.186.250.129.in-addr.arpa. (45) (DF)
23:22:38.659223 eth0 < ns1.megapath.net.domain > 
agate.megapathdsl.net.1026: 50660* 1/2/2 PTR dendrite.ximian.com. (154)
23:22:38.661216 eth0 > agate.megapathdsl.net.1026 > 
ns1.megapath.net.domain: 50661+ PTR? 4.176.200.216.in-addr.arpa. (44) (DF)
23:22:38.700100 eth0 < ns1.megapath.net.domain > 
agate.megapathdsl.net.1026: 50661* 1/2/2 PTR ns1.megapath.net. (138)
23:22:50.515880 eth0 > agate.megapathdsl.net.2483 > 
dendrite.ximian.com.www: S 805064825:805064825(0) win 5840 <mss 
1460,sackOK,timestamp 18028122 0,nop,wscale 0> (DF)
23:22:56.615880 eth0 > agate.megapathdsl.net.2482 > 
axon.ximian.com.8000: S 781966852:781966852(0) win 5840 <mss 
1460,sackOK,timestamp 18028732 0,nop,wscale 0> (DF)
23:22:56.617078 eth0 > agate.megapathdsl.net.1026 > 
ns1.megapath.net.domain: 50662+ PTR? 12.186.250.129.in-addr.arpa. (45) (DF)
23:22:56.729362 eth0 < ns1.megapath.net.domain > 
agate.megapathdsl.net.1026: 50662* 1/2/2 PTR axon.ximian.com. (150)