On 2013-01-22, at 11:14, Vernon Schryver <[email protected]> wrote: >>>> Continuing the sarcasm is too much effort, so I'll simply ask why not >>>> do DNS MX and A requests? (both because of the fall-back-to-A-if-no-MX >> >>> Please sir, if I run www.images.example.co.uk, can I set a cookie >>> at images.example.co.uk? How about example.co.uk? Fine Now .co.uk? > > It might also be worth noting that co.uk as well as com, org and > the few other TLDs that I tried just now lack A, AAAA, and MX RRs, > so a browser could use a DNS test to reject some supercookies.
I'm not sure it'd be a very good general test, though. For example, [krill:~]% dig dk. A +short 193.163.102.24 [krill:~]% dig co.za MX +short 10 mx2.coza.net.za. [krill:~]% Joe _______________________________________________ dns-operations mailing list [email protected] https://lists.dns-oarc.net/mailman/listinfo/dns-operations dns-jobs mailing list https://lists.dns-oarc.net/mailman/listinfo/dns-jobs
