said by petem2227:I've always used 'mail-hub.optonline.net', FWIW...
Mail-Hub and Mail are the same server (s1) -
dig://mail-hub.optonline.net;querytype=A
; DiG 9.3.4 mail-hub.optonline.net A
;; global options: printcmd
;; Got answer:
;; HEADER opcode: QUERY, status: NOERROR, id: 51381
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;mail-hub.optonline.net. IN A
;; ANSWER SECTION:
mail-hub.optonline.net. 3933 IN CNAME s1.optonline.net.
s1.optonline.net. 6215 IN A 167.206.5.250
;; AUTHORITY SECTION:
optonline.net. 628 IN NS ns.cv.net.
optonline.net. 628 IN NS ns.cvnet.com.
;; ADDITIONAL SECTION:
ns.cv.net. 3957 IN A 167.206.1.30
ns.cvnet.com. 2629 IN A 167.206.1.103
;; Query time: 40 msec
;; SERVER: 167.206.245.11#53(167.206.245.11)
;; WHEN: Thu May 31 19:00:53 2007
;; MSG SIZE rcvd: 151
----------------[End of response]----------------
dig://mail.optonline.net;querytype=A
; DiG 9.3.4 mail.optonline.net A
;; global options: printcmd
;; Got answer:
;; HEADER opcode: QUERY, status: NOERROR, id: 61108
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;mail.optonline.net. IN A
;; ANSWER SECTION:
mail.optonline.net. 649 IN A 167.206.5.250
;; AUTHORITY SECTION:
optonline.net. 649 IN NS ns.cv.net.
optonline.net. 649 IN NS ns.cvnet.com.
;; ADDITIONAL SECTION:
ns.cv.net. 3978 IN A 167.206.1.30
ns.cvnet.com. 2650 IN A 167.206.1.103
;; Query time: 19 msec
;; SERVER: 167.206.245.11#53(167.206.245.11)
;; WHEN: Thu May 31 19:00:31 2007
;; MSG SIZE rcvd: 130
----------------[End of response]----------------