"Shulgin, Oleksandr" <oleksandr.shulgin@zalando.de> writes:
> On Mar 20, 2016 01:09, "Dmitrii Golub" <dmitrii.golub@gmail.com> wrote:
>> Alex, actually subdomain can start with digit,
> Not according to the RFC you have linked to.
The powers-that-be relaxed that some time ago; I assume there's a newer
RFC. For instance, "163.com" is a real domain:
$ dig 163.com
...
;; QUESTION SECTION:
;163.com. IN A
;; ANSWER SECTION:
163.com. 600 IN A 123.58.180.8
163.com. 600 IN A 123.58.180.7
;; AUTHORITY SECTION:
163.com. 4516 IN NS ns3.nease.net.
163.com. 4516 IN NS ns2.nease.net.
...
$ whois 163.com
...
Registry Registrant ID:
Registrant Name: Domain Admin
Registrant Organization: Guangzhou NetEase Computer System Co., Ltd
Registrant Street: No. 16, Keyun Road, Tianhe District,
Registrant City: Guangzhou
Registrant State/Province: Guangdong
Registrant Postal Code: 510665
Registrant Country: CN
Registrant Phone: +86.2085106370
Registrant Phone Ext:
Registrant Fax: +86.2085106370
Registrant Fax Ext:
Registrant Email: nsadmin@corp.netease.com
...
regards, tom lane