다중 도메인 으로 mail server setting

co.kr 상위 root 서버쪽에는 namuic.co.kr의 네임서버가 211.189.88.203이라고

등록되어 있는데 211.189.88.203의 네임서버에는 ns.namuic.co.kr이 다른 아이피로

등록되어 나타나는 문제 같네요..

아래 도메인 등록정보는 whois서버에 질의하시면 확인하실수 있습니다.

 dig @211.216.50.130 namuic.co.kr ns -> co.kr    root서버에 등록되어 있는 ns 질의

; <<>> DiG 8.4 <<>> @211.216.50.130 namuic.co.kr ns
; (1 server found)
;; res options: init recurs defnam dnsrch no-nibble2
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45332
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; QUERY SECTION:
;;      namuic.co.kr, type = NS, class = IN

;; AUTHORITY SECTION:
namuic.co.kr.           1D IN NS        ns.namuic.co.kr.

;; ADDITIONAL SECTION:
ns.namuic.co.kr.        1D IN A         211.189.88.203

 dig @211.189.88.203 namuic.co.kr ns -> 위임받은 도메인서버에 직접질의

; <<>> DiG 8.4 <<>> @211.189.88.203 namuic.co.kr ns
; (1 server found)
;; res options: init recurs defnam dnsrch no-nibble2
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57404
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; QUERY SECTION:
;;      namuic.co.kr, type = NS, class = IN

;; ANSWER SECTION:
namuic.co.kr.           5M IN NS        ns.namuic.co.kr.

;; ADDITIONAL SECTION:
ns.namuic.co.kr.        5M IN A         221.148.161.145

dig @211.216.50.130 namutech.co.kr -> co.kr의 root 서버에 질의시 응답

; <<>> DiG 8.4 <<>> dig @211.216.50.130 namutech.co.kr
; (1 server found)
;; res options: init recurs defnam dnsrch no-nibble2
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11668
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;;      namutech.co.kr, type = A, class = IN

;; AUTHORITY SECTION:
namutech.co.kr.         1D IN NS        ns1.namutech.co.kr.
namutech.co.kr.         1D IN NS        namutech.co.kr.

;; ADDITIONAL SECTION:
ns1.namutech.co.kr.     1D IN A         211.189.88.203
namutech.co.kr.         1D IN A         211.189.88.203