Hello, Colin! We use hexademical numbers in PTR for VPS/Servers because PTR's like "host-87.118.199.240.domain.ru" so often banned by weird antispam systems by mask \d+\.\d+\.\d+\d+ as home ISP subnets which produce bunch of spam.
On Tue, Apr 14, 2015 at 5:00 PM, Colin Johnston <col...@gt86car.org.uk> wrote: > Hi Nikolay, I have obvious hit a cultural nerve here, if so I am sorry. > At least there is communication on some level, Chinese colleagues would not > even bother to respond to aid debug. > > Be that as it may, why not use either normal decimal numbers or normal > characters to show what a normal person would understand instead of having to > convert the shown output ? > > Colin > > >> On 14 Apr 2015, at 14:54, Nikolay Shopik <sho...@inblock.ru> wrote: >> >> Are Roman numerals allowed in DNS? Because I know some people also do them. >> >> dig -x 217.199.208.190 >> >> >> On 14/04/15 16:45, Chuck Church wrote: >>> Comic Book Guy would probably declare: >>> >>> "Worst Naming Convention Ever" >>> >>> Chuck >>> >>> -----Original Message----- >>> From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of Colin Johnston >>> Sent: Tuesday, April 14, 2015 9:27 AM >>> To: Nikolay Shopik >>> Cc: <nanog@nanog.org> >>> Subject: Re: macomnet weird dns record >>> >>> Because looks strange especially if the traffic is 100% bad Best practice >>> says avoid such info in records as does not aid debug since mix of dec and >>> hex >>> >>> Colin >>> >>>> On 14 Apr 2015, at 14:09, Nikolay Shopik <sho...@inblock.ru> wrote: >>>> >>>> How its weird? All these chars allowed in DNS records. >>>> >>>> On 14/04/15 15:36, Colin Johnston wrote: >>>>> never saw hex in host dns records before. >>>>> host-242.strgz.87.118.199.240.0xfffffff0.macomnet.net >>>>> >>>>> range is blocked non the less since bad traffic from Russia network >>> ranges. >>>>> >>>>> Colin >>>>> >>> > -- Sincerely yours, Pavel Odintsov
