??? ????? DNS ??????? ????? CNAME ?? ????? ?? ???? ????? ??????? ????????? — ??????? ??? ???. ???? ???? ?????? ?? ????? ?????? ???????? ???? ????? ??????? ???????????? ?? ??? ?????? ??????????? ?? ??? ????? ????? ????? ?????? ???? ???? ??? ??????? CNAME ??? ????.
???? ??? ?????? ?? ?? ??? CNAME ????? ??? ??? ????????? ??? ?? ??? ???????? ??? ???????? ?????? ???? ??????? ?????? ?????? — ?? ????? ???? ??????.
????? ??????? CNAME ?????? ?????? ????? ???????? ??????
?????? ?? ?????????? ?????? ?????? CNAME ????:
-
???? ????????? ???? ???? "????? CNAME"
-
???? SaaS ????? ????? ???????? ???????
-
?????? ?? ????
www??blog??? ???? ???
??? ???? ?? CNAME ????? ?????? ???? ??? ??? ??????? ?? ??? ????? ?????? ????? ???????? ?? DNS.
CNAME ??? — ???? ??? ??? ???????? ?? ?????? ??????.
?? ?? ??? CNAME?
??? CNAME ?? ??? ?? ????? ????? DNS ???? ???? ??? ???? ????. ???? ????? CNAME ?????? ??? ?????? ???? ????? ???? ????? ???? ?????? ?????? ?? ????? ????????? ?????? ??????? ?????? (?? ????? "??????") ??????? ??????? ?????.
-
???? ?????? ??? ??? ???? ???? ???? ??? IP
-
??? ??? DNS ????? ??? ????? ????
-
?? ?????? ??????? ????? — ??? ???? ????? ????? DNS
??? ???? ??? CNAME
???? ???? ????? ??? ???? ????? ?? DNS ???? ????? CNAME:
??? ??? ??????? ??? CNAME
1. ????? ???????? ??????? ??? ???? ???
???? ????????? ?????? ?????? ????:
? www.example.com → example.com
? blog.example.com → platform.hosting.com
??? ???? ???? ??? ????? ?? ????? ????? IP ????? ???? ?????? ?????? ???? ???.
????? ?????? ?? ????? SaaS? ?????? ????? ???????? ???????? ????????? ??? CNAME ????? ?? ???? ?????? IP ?????.
????? ????:
-
????? ?????????
-
????? ???????
-
????? ????????? ?? ??????
?? ??? ???????? CNAME ?? ?????? ?????? ???????? ??.
??? ??? ??? ??? ??? ?????? ????? ??????? ??? ??? ??????? ???? CNAME ???????.
CNAME ????? ??? A: ????? ????????
????? ?????:
??? ???? ?????? IP ?????? → ?????? ??? A??? ???? ?????? ?????? ??? ?? ???? ??? ???? → ?????? CNAME
-
??? A: ?????? ????? ???? ??? IP
-
CNAME: ???? ??? ?????? ???? ?????? ???
??? ??????? ???? ???? ?????? ?? ????? ???????.
???? ??? ??????? ?? ???? ?? ????? ?????:
-
????? CNAME ?? ???? ?????
-
??????? CNAME ?????? ???? ?????? ??????????
-
????? CNAME ?? ????? ????
-
????? ?????? ?? CNAME (???? ?? ????)
-
???????? ????? ??? ?????? ??????? DNS
????? ???? ????? ??? ????? CNAME
??? ????? ??? CNAME? ???? ??:
-
??? ?????? ?? ???? ????? ???? ?????
-
?? ???? ????? ???? ???? ?????
-
????? ?? ????? ???? IP
-
?? ??????? ?????? ?????? ??????????
-
???? ?? ?????? DNS ?? ?????? ?????
??? ??????? ????? ???? ?? ???? ???? ??????? ???????? ?? CNAME.
??????
? ?CNAME ?? ??? ?????? — ???? ???????.? ???? ???????? ???? ????? ????? ????? DNS.? ???? ???????? ???? ??? ????? ???? ????? ???? ??????.
??? ????? CNAME ?? DNS ?????? ??? ????? ????? ????.
???? ????? ?????? DNS
???? ??? DNS ?????? ????? ????? ?????? ?????.
?????? ???? ????? ?? ICANN? ??????? ???? ??? ?????? ?????? ???? ????? ????????? ??????? ??????? ?? ????? ????????. ????? DNS ????? ????? ??????? ?????????? ??? ???? ??????? ??????? ?? ?????? ??? ??????? ???????.
??? ?????? ????? ????? ???????? ???????? ????????? ????? ??????? ???????? ?? ???? ????? ??????.
??????? ???????: ????? ??????? ?????? DNS: ???????? ???????? ?????? ???????
