It definitely is. <ingress>.k8s.<mydns>.com regularly confuses what password I want to use if I have different authentication per ingress. More commonly if I run something else at <name>.<mydns>.com firefox and chrome are both happy to offer up my password for <other service>.<mydns>.com.
replyClosed. Wont fix.
We solve that problem with the public suffix list. The problem is there's a lot of .name domains, each of which would need to be added to the list.
replyyes, but other locality domains are fairly static and well-known
reply.co.uk wouldn't have the same problem because everyone knows that combo is a TLD in and of itself. with a seemingly infinite possible combinations of blah.name that could be a TLD itself, or, might just be a subdomain of .name, it gets really weird
> with a seemingly infinite possible combinations
replyVerisign claimed approximately 22,000 third level domains [1] in July 2026. I don't see an estimate of the number of shared second level domains, but it's finite. The current public suffix list includes 10414 names [2]; so at maximum, the list would approximately triple in size --- not ideal, but feasible.
[1] https://itp.cdn.icann.org/en/files/consensus-policies/fessen...
[2] including some with wildcards, re: your other post