Re: number of characters in a domain?

2016-07-23 Thread Mark Andrews
The number of wire octets is <= 255. The number of presentation characters <= 1008 (63*4*3 + 62*4 + 4) In message <5793c61b.4080...@dougbarton.us>, Doug Barton writes: > On 07/23/2016 07:07 AM, Matthew Pounsett wrote: > > On 23 July 2016 at 14:31, Ryan Finnesey wrote: > > >

Re: number of characters in a domain?

2016-07-23 Thread Doug Barton
On 07/23/2016 07:07 AM, Matthew Pounsett wrote: On 23 July 2016 at 14:31, Ryan Finnesey wrote: I was hoping someone can help me confirm my research. I am correct that domains are now limited to 67 characters in length including the extension? 63 octets per label (the

Re: number of characters in a domain?

2016-07-23 Thread Matthew Pounsett
On 23 July 2016 at 14:31, Ryan Finnesey wrote: > I was hoping someone can help me confirm my research. I am correct that > domains are now limited to 67 characters in length including the extension? > 63 octets per label (the bits between the period separators) , 255 octets

Re: number of characters in a domain?

2016-07-23 Thread William Herrin
On Sat, Jul 23, 2016 at 11:07 AM, Jimmy Hess wrote: > In addition, the string component of each DNS label is limited to 63 octets. This is a hard limit in the DNS packet format. In the packet, the dots are replaced by either: 1 byte whose high two bits are 0 and whose low six

Re: number of characters in a domain?

2016-07-23 Thread Jimmy Hess
On Sat, Jul 23, 2016 at 7:31 AM, Ryan Finnesey wrote: > I was hoping someone can help me confirm my research. I am correct that > domains are now limited to 67 characters in length including the extension? > RFC1035; A hostname / FQDN cannot exceed 255 octets in totality.

Re: number of characters in a domain?

2016-07-23 Thread Stephane Bortzmeyer
On Sat, Jul 23, 2016 at 08:35:57AM -0400, Jared Mauch wrote a message of 12 lines which said: > I would consult RFC1035 for the label sizes, but the total length > can include multiple labels up to 255 in length. Check section 2.3.4 On another mailing list, Marc

Re: number of characters in a domain?

2016-07-23 Thread Jared Mauch
I would consult RFC1035 for the label sizes, but the total length can include multiple labels up to 255 in length. Check section 2.3.4 Jared Mauch > On Jul 23, 2016, at 8:31 AM, Ryan Finnesey wrote: > > I was hoping someone can help me confirm my research. I am correct

number of characters in a domain?

2016-07-23 Thread Ryan Finnesey
I was hoping someone can help me confirm my research. I am correct that domains are now limited to 67 characters in length including the extension? Cheers Ryan