Thomas Sturm <t...@open.ch> wrote: > > We are experiencing strange intermittent issues when resolving > outlook.office365.com, but also with other domains like e.g. > amazonaws.com or snort.org.
Based on recent discussions on the mailop list (https://chilli.nosignal.org/mailman/listinfo/mailop) the problem seems to be a combination of very short TTLs on the NS records (which makes any problems occur much more frequently), a weird mapping from name server names to IP addresses, and lack of EDNS support (which forces BIND to retry queries). Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/ - I xn--zr8h punycode Bailey: Northeasterly 5 in southeast, otherwise variable 3 or 4. Slight or moderate. Mainly fair. Good. _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
