??? ????? ??????? ??? ??????? DNS ????? ??????? ??? ?? ?????? ?????? ??? ????? ??? ?? ?? ????? ??? ?????????. ??? DNS ?? ????? ?????? ?? ?????? ??? ????? ?????? ???????. ?? ??? ??????? ????? ?? ?? ??? DNS? ?????? ?????? ?????? ???? ????? ?????? ?? ?? ??????? DNS ?????? ?? ?? ???? ?????.
?? ???? ??? ??? DNS? ????? ?????? ?? ?????? ???? ????? ??????? ??????? ????????? ????? ???????.
?? ?? ??? DNS?
???? ??? DNS ??? ????? ???? ??????? ????? DNS? ??? ????????? ?? ????? MX ?? A ?? CNAME ?????? ??? ???????? ?? ???? ????? ??????. ???? ????? DNS ??? ?????? ?????? ????? DNS ?????? ?????? ??????? ???? ?????? ??? ????????? ??? ?? ???? ????? ?? ?? ????.
????? ?????? ??? DNS ??????
-
????? DNS ??????: ???? ????? DNS ?????? ??????? ????? ????? (????? TTL? ?? ????? ??????) ?????? ???????? ?????. ??? ???? ??? ??? ??? ?? ???? ?????? ?????? ?? ???? ????????? ??????? ????? ??? ????? ??????.
-
TTL (????? ??????): TTL ?? ???? ???? ??? ????? ????? DNS ??????. ????? ??????? ?? TTL ???? ??? ??????? ????? ?? ??? ?? ????? ??????? ???? ????????? ?????? ????? ???? ?????.
-
???????? ????????: ??? ????? ??????? DNS ??? ?? ???? ??? ??????? ???? ???? ?? ?????? ?? ??? ????? ???? 48 ????.
??? ????? ?????? ??? ??? DNS
??? ????? 1: "??? ?? ???? ??????? DNS ??? ?????"
?????? ??????? ??????:
-
"??? ??? ?????? ????? DNS ?????? ??? ?????? ?? ???? ??????????"
-
"?? ??? ??? ????????? ??????? ??? ????? ?????????. ?? ???? ??? ???"
?? ???? ??????:
-
???? ?? ?????? ??????? DNS 24–48 ???? ????? ??? ???? ???????.
-
??????? ?????? ? TTL ???? ??? ???? ????? ????????? ??? ????? ??????.
????? ???? ??? ?????:
-
????? 24-48 ???? ??? ????? ??????? DNS ??? ?????? ???? ?? ????.
-
?????? ????? DNS ??? ???????? ?????? ??? ??? ???? ????????? ?? ???? ??????.
??? ????? 2: "?? ????? ???? ??????? ?????? ??? ????? ??????? DNS"
?????? ??????? ??????:
-
"????? ?? ??? ??? ?????? ?????????? ?????? ?? ??????? ?????? ?????????? ????????"
-
"????? ?? ???? ????????? ??? ??? 24 ?????"
?? ???? ??????:
-
?? ??? ????? ????? ????? ??????? ????? ?? ???????? ??????? DNS ??????? ??????? ?? ???????? ???????.
-
??????? ?????? ?????? ???? ?? ????? ?? ???? ????? DNS ??????? ??? ?????.
????? ???? ??? ?????:
-
???? ????? ??????? ?????? ??????? ????? ??? ?????? DNS ?????.
-
?? ???? ????? ????? DNS ?????? ????? ??????? ????? ?? ????? ???? ?? ???? ????? DNS.
????? ?????? ?? ????? ??????? DNS ?????? ??
??????? 1: ?????? ????? DNS ??? ????????
???? ?????? ?? ??????? ???????? ??? ???????? ???? ???? ?? ?????? ??? ??? ???? ??????? DNS ?????? ?? ?? ?? ????? ???? ????. ?????? ??? ??????? ?? ????? DNS ?????? ?? ????? ????? ??? ?? ????? ??????.
??????? ?????? ???:
-
MXToolbox
-
Whatsmydns.net
-
DNSstuff
????? ?????????:
-
???? ??? ???? ?????? ??? ?????.
-
???? ??? ????? ????? ??? ??? DNS ???? ???? ?????? ??? (??? ???? ??????? MX? A? CNAME).
-
???? ??? ??????? ???? ??? ?? ???? ????? DNS ?????? ?? ?? ?? ????? ???????.
??????? 2: ?????? ????? ??? ??????? (?????????? ????????)
??? ??? ??????? ??? ????? ??? ???????? ????? ??????? nslookup ?? dig ?????? ?? ??????? DNS ?????? ??.
???????:
-
nslookup (??????):nslookup -type=MX yourdomain.com
-
dig (?????/???):dig yourdomain.com MX
???? ?? ??? ??????? ????????? ?????? ?? ????? DNS ???? ??????? ???????.
????? ????? ??? DNS
????? ?? ????? ??? ??? DNS ???? ?????? ???? ??? ????? ???? ??????? ???? ?????:
-
??? ???? TTL (????? ??????) ??? ????? ?????????: ??? ??? ???? ?????? ??????? ??? DNS? ??? ??? ???? TTL ??? ??????? ???? ?? ???? ?? ????? ???????? ???? ??? ?????????.
-
???? ??????? DNS ????????: ?? ?? ????? ???????? DNS? ???? ????? ????? ?? ????. ???? ????? ??????? ????? ?????? ???????.
??????? ?????? ??? DNS
???????: ??? ????? ?????? ?????????? ??? ??????? DNS
??????? ????????:
-
?? ?? ???? ????? MX ?? ?????? ???????.
-
?? ???? ???? ????? ??? ??????? ??????? ????????.
????? ???????:
-
????? ??? 48 ???? ????? ??????.
-
?????? ???? ??? DNS ?????? ?? ??? ????? MX ?????? ??.
???????: ?????? ?? ???? ??????? DNS ???????
??????? ????????:
-
?? ???? ????? ????? DNS ??????? ?? ?????? ?? ???? ??????? ?????.
-
?? ???? ???? TTL ?????? DNS ?????? ?????? ????? ??? ???? ?????.
????? ???????:
-
???? ????? ??????? ?????? ??????? ?????? DNS ??????? ??? ?????.
-
?????? ????? ??? ???????? ?????? ?? ????? ?????????.
?????: ?? ?????? ????? ?? ????????
??? DNS ?? ??? ????? ?? ????? ??????? DNS. ?? ????? ?? ???? ?????? ??????? ??????? ??????? ?????? ?? ????? ????????. ?????? ??????? ??????? ?? ??? ??????? ????? ???? ???????? ??? ??????? ????? ?? ??????? DNS ?????? ????? ???? ????.
???? ?????: ????? ????? ?? ???? ?????
??? ?????? ???? ???? ????? ??????? ????? ????? ????? DNS ???? ?????? ?????. ?????? ???? ????? ?? ICANN? Nicenic ???? ???????? ???????? ?????? ????? DNS ?????? ??????? ??? ??????.
??? Nicenic ????? ????? ???????? ???????? ????????? ????? ??????? ???????? ?? ???? ????? ??????.
??????? ???????: ????? DNS ?????? ?????????? ???? ?????
