Re: [IMail Forum] Unable to deliver to AOL, continued.. andquestion about mail addressed to IP address

[Len Conrad]

For your .11's Class C:

                              DNS Expert
             Detailed Report for 211.173.198.in-addr.arpa
08-Jun-03, 3:07 PM, using the analysis setting "everything"
======================================================================
Information
----------------------------------------------------------------------
Serial number:           N/A
Primary name server:     N/A
Primary mail server:     N/A
Number of records:       N/A
Errors
----------------------------------------------------------------------
o The server "u.ns.verio.net." did not reply
    The server "u.ns.verio.net." did not reply when it was queried
    for the name "211.173.198.in-addr.arpa.".  This indicates that the
    server is not running, or it is currently unreachable.
o The server "c.ns.verio.net." did not reply
    The server "c.ns.verio.net." did not reply when it was queried
    for the name "211.173.198.in-addr.arpa.".  This indicates that the
    server is not running, or it is currently unreachable.
o Unable to locate an authoritative name server for
  "211.173.198.in-addr.arpa."
    It was not possible to locate an authoritative name server for
    the domain "211.173.198.in-addr.arpa.".  No further testing of the
    zone will be possible.
Warnings
----------------------------------------------------------------------
No warnings
----------------------------------------------------------------------
end of report
which is fatal because that reverse zone is delegated to those NSs:

# dig -x 198.173.211 ns @ns0.verio.net.

; <<>> DiG 8.3 <<>> -x ns @ns0.verio.net.
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;;      211.173.198.in-addr.arpa, type = NS, class = IN
;; AUTHORITY SECTION:
211.173.198.in-addr.arpa.  4H IN NS  c.ns.verio.net.
211.173.198.in-addr.arpa.  4H IN NS  u.ns.verio.net.
So AOL is correct in saying that PTR for your ip is not findable.

Len

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