Xml.resource.org is a CNAME for xml2rfc.ietf.org Which in turn is a CNAME for zinfandel.tools.ietf.org Which is one of the tools.ietf.org machines. There evidently was a bad robot out there. Henrik posted this elsewhere this morning: On Monday, March 21, 2016 at 6:35 AM, Henrik Levkowetz wrote: On 2016-03-21 08:58, Randy Bush wrote: >http://tools.ietf.org/ seems not to respond usefully. both addresses A bot (at 183.53.230.35) which didn't honour robots.txt had managed to get almost all apache threads bound up in returning wiki diffs and change lists, which are rather slow and resource-intensive pages. I flushed those connections at 2016-03-21_10:25:38Z, and things look better after that. (An email directly to webmaster@xxxxxxxxxxxxxx will get a faster response than one to ietf@xxxxxxxx, though ,:-) Bad bot. Bad bot. Shame on you. Go sit in your corner. Tony Hansen On 3/20/16, 11:07 PM, "ietf on behalf of Phillip Hallam-Baker" <ietf-bounces@xxxxxxxx on behalf of phill@xxxxxxxxxxxxxxx> wrote: >When I used XML2RFC, I always used http://xml.resource.org/ > >That also seems to be down... > >On Sun, Mar 20, 2016 at 9:40 PM, Toerless Eckert <eckert@xxxxxxxxx> wrote: >> Just for me ? For quite a while now. >> >