From owner-dns-wg@ripe.net Thu May 14 15:54:09 1998 From: Hans Niklasson <hasse@swip.net>
Hans,
Illegal characters:
Only a-z , 0-9 and - is valid to use. All other characters is illegal and can cause the resolving to fail.
I think it is worthwile at least mentioning that this restriction applies to _hostnames_ (e.g. right hand side of NS or MX records). This does not necessarily apply elsewhere. The third document you give as additional reading (draft-ietf-dnsind-classless-inaddr-04.txt) does use a character that is not in the set above (slash). This topic is very well clarified in RFC 2181 chapter 11. (Name syntax). Best regards, Janos
From owner-dns-wg@ripe.net Thu May 14 15:54:09 1998 From: Hans Niklasson <hasse@swip.net>
Hans,
Illegal characters:
Only a-z , 0-9 and - is valid to use. All other characters is illegal and can cause the resolving to fail.
I think it is worthwile at least mentioning that this restriction applies to _hostnames_ (e.g. right hand side of NS or MX records). This does not necessarily apply elsewhere. The third document you give as additional reading (draft-ietf-dnsind-classless-inaddr-04.txt) does use a character that is not in the set above (slash).
This topic is very well clarified in RFC 2181 chapter 11. (Name syntax).
Best regards, Janos
27% more /nfs/ftp/internet-drafts/draft-ietf-dnsind-classless-inaddr-04.txt A new Request for Comments is now available in online RFC libraries. BCP 20: RFC 2317: Title: Classless IN-ADDR.ARPA delegation Author(s): H. Eidnes, G. de Groot, P. Vixie Status: Best Current Practice Date: March 1998 Mailbox: Havard.Eidnes@runit.sintef.no, GeertJan.deGroot@bsdi.com, paul@vix.com Pages: 10 Characters: 17744 Updates/Obsoletes: None URL: ftp://ftp.isi.edu/in-notes/rfc2317.txt -- --bill
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