Re: BIND Workaround for Broken DNS

2020-01-18 Thread Matus UHLAR - fantomas
On 17.01.20 22:03, Crist Clark wrote: We have a service vendor with broken DNS. It looks like a well known problem of F5 load balancers. For the name, efederation.wip.ceridian.com (you get redirected there from https://iam.ceridian.com) The DNS "servers" return an answer for a A request, bu

Re: BIND Workaround for Broken DNS

2020-01-17 Thread Rob Foehl
On Fri, 17 Jan 2020, Crist Clark wrote: And how can we be the only customer with this problem? Seems like anyone dual stacked (even unknowingly so) and a caching DNS server that follows the rules would be getting killed by the lookups. Yes, and this has been a known issue for better than

BIND Workaround for Broken DNS

2020-01-17 Thread Crist Clark
We have a service vendor with broken DNS. It looks like a well known problem of F5 load balancers. For the name, efederation.wip.ceridian.com (you get redirected there from https://iam.ceridian.com) The DNS "servers" return an answer for a A request, but when you ask for any other record typ