CNAME of a DOMAIN name returns sometimes the soa and sometimes nothing, Why?
news.csnet.nl
renez at csnet.nl
Thu Jun 24 09:32:58 UTC 1999
My problem is that a domain i-55.com cannot send email to my domain csnet.nl
the response is nameserver time out.
I believe the nameserver for the i-55.com isn't setup right because if I ask
it something about i-55.com it claims not to be authoritive for that zone.
How ever that might be a side issue.
The mail software does a check for a the cname of i-55.com this doesn't
succeed and that gives a nameserver timeout.
why does a lookup for a CNAME of a DOMAIN name returns sometimes the soa
and sometimes nothing?
e.g. dig i-55.com cname versus dig redhat.com cname
--------------------------i-55.com------------------------
; <<>> DiG 8.2 <<>> i-55.com cname
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 6
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUERY SECTION:
;; i-55.com, type = CNAME, class = IN
----------------redhat.com--------------------------
; <<>> DiG 8.2 <<>> redhat.com cname
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;; redhat.com, type = CNAME, class = IN
;; AUTHORITY SECTION:
redhat.com. 1H IN SOA ns.redhat.com. noc.redhat.com. (
1999062200 ; serial
1H ; refresh
30M ; retry
1W ; expiry
1H ) ; minimum
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