On 02/12/2018 12:28 PM, Stephane Bortzmeyer wrote: >> Current Firefox 58.0.1 and old Chromium 61.0.3163.79, Linux, same >> result. The system resolver does fetch _www.ksk-test.net. OK. (I >> can't say I understand what happens.) > Isn't is simply because some browsers rely on the standard library's > getaddrinfo() and this routine does not accept all domain names? On Linux:
Right, that's most likely the problem. IIRC Firefox uses getaddrinfo for DNS, at least on Linux. Even if we discount Firefox, it would seem better to choose names compatible with glibc's getaddrinfo. --Vladimir _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
