Thank you.
----- Original Message -----
From: "Len Conrad" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, June 27, 2001 9:57 AM
Subject: Re: [IMail Forum] Any idea about this error?
>
> >20010626 173743 127.0.0.1 SMTP (309) >MAIL
> >FROM:<[EMAIL PROTECTED]>
> >20010626 173743 127.0.0.1 SMTP (309) 501 5.1.8
> ><[EMAIL PROTECTED]>... Domain of sender address
> >[EMAIL PROTECTED] does not exist
> >20010626 173743 127.0.0.1 SMTP (309) ERR undeliverable 501 5.1.8
> ><[EMAIL PROTECTED]>... Domain of sender address
> >[EMAIL PROTECTED] does not exist
> >20010626 173743 127.0.0.1 SMTP (309) SMTP_DELIV_FAILED
> >20010626 173743 127.0.0.1 SMTP (309) >QUIT
>
> Yes, I have an idea about this error:
>
> # dig gateway.trachtmanhenderson.com
>
> ; <<>> DiG 8.3 <<>> gateway.trachtmanhenderson.com
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
> ;; QUERY SECTION:
> ;; gateway.trachtmanhenderson.com, type = A, class = IN
>
> ;; ANSWER SECTION:
> gateway.trachtmanhenderson.com. 1W IN A 206.208.57.67
>
> ;; AUTHORITY SECTION:
> trachtmanhenderson.com. 1W IN NS ns1.trachtmanhenderson.com.
> trachtmanhenderson.com. 1W IN NS ns2.trachtmanhenderson.com.
>
> ;; ADDITIONAL SECTION:
> ns1.trachtmanhenderson.com. 1W IN A 216.99.37.208
> ns2.trachtmanhenderson.com. 1W IN A 207.168.106.132
>
> ;; Total query time: 10218 msec
>
> It exists, but note the 10218 msec!!
>
> and here�s another one:
>
> mgw1# dig gateway.trachtmanhenderson.com
>
> ; <<>> DiG 8.3 <<>> gateway.trachtmanhenderson.com
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
> ;; QUERY SECTION:
> ;; gateway.trachtmanhenderson.com, type = A, class = IN
>
> ;; ANSWER SECTION:
> gateway.trachtmanhenderson.com. 1W IN A 206.208.57.67
>
> ;; AUTHORITY SECTION:
> trachtmanhenderson.com. 1W IN NS ns1.trachtmanhenderson.com.
> trachtmanhenderson.com. 1W IN NS ns2.trachtmanhenderson.com.
>
> ;; ADDITIONAL SECTION:
> ns1.trachtmanhenderson.com. 1W IN A 216.99.37.208
> ns2.trachtmanhenderson.com. 1W IN A 207.168.106.132
>
> ;; Total query time: 14304 msec
>
> This feels like eBay. Can anybody top 14304 msec! :)))
>
> The receiving mail server most certainly timed out waiting for its DNS to
> query for the domain gateway.trachtmanhenderson.com, aka @senderdomain, so
> the mail server concluded it didn�t exist. IMGate works exactly the same
way.
>
> I would guess that you have delegation errors that greatly slowdown
resolution:
>
> Errors
> ----------------------------------------------------------------------
> o The name server "ns1.mlusers.net." is only listed in delegation data
> The server "ns1.mlusers.net." is listed as being authoritative
> for the zone according to the delegation data, but there is no NS
> record for that server in the zone data. Delegation data and zone
> data should always match.
>
> o The name server "ns1.trachtmanhenderson.com." is not listed in
> delegation data
> The server "ns1.trachtmanhenderson.com." is listed as being
> authoritative for the zone according to the zone data, but there
> is no NS record for that server in the delegation data.
> Delegation data and zone data should always match.
>
>
> Warnings
> ----------------------------------------------------------------------
> o The zone contains more than one authoritative name server with the
> same IP address
> The name servers "ns2.mlusers.net." and
> "ns1.trachtmanhenderson.com.", which are authoritative for
> "trachtmanhenderson.com.", have the same IP address
> (216.99.37.208).
>
> o The zone contains more than one authoritative name server with the
> same IP address
> The name servers "ns2.trachtmanhenderson.com." and
> "ns1.mlusers.net.", which are authoritative for
> "trachtmanhenderson.com.", have the same IP address
> (207.168.106.132).
>
> o Server name in the SOA record differs from server name in an NS
> record
> The name server with the IP address 216.99.37.208 is identified
> by the name "trachtmanhenderson.com." in the SOA record but the NS
> record uses the name "ns1.trachtmanhenderson.com." for the host.
>
>
>
> Len
>
> http://MenAndMice.com/DNS-training
> http://BIND8NT.MEIway.com : ISC BIND 8.2.4 for NT4 & W2K
> http://IMGate.MEIway.com : Build free, hi-perf, anti-abuse mail gateways
>
>
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>
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