Yeah it's a buggy load-balancer. A fix from the vendor is being tested as we speak.
-----Original Message----- From: Nick Hilliard [mailto:n...@foobar.org] Sent: Tuesday, May 7, 2013 5:14 AM To: ipv6-ops@lists.cluenet.de; Christopher Palmer Subject: Re: outlook.office365.com broken via IPv6 On 30/04/2013 20:43, Daniel Roesen wrote: > given that Christopher Palmer is on this list, I doubt NANOG ml would > be more helpful. CC'ing him for attention. :-) Looks like there might be a broken load balancer in there somewhere. Several of the addresses are returning periodic failures which fluctuate quickly between up and down: > nmap -6 -sT -p 443 `host -t aaaa outlook.office365.com | grep address > | awk '{print $5}'` Nick
