MX Lookup failed for outgoing email Announcing the arrival of Valued Associate #679: Cesar...

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MX Lookup failed for outgoing email



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
Come Celebrate our 10 Year Anniversary!Moved DNS and Email Hosting, Now Can't Send/Receive To/From Domains Hosted on Previous HostCan't receive email. Email delayed. Problem with MX?100% uptime for a web applicationCan you lookup a domains past nameserver & mx record history?Email Administrator on failed loginWindows 2008 dns server can't find his own host nameMX lookup failedConfiguring Reverse DNS on Windows Server 2008, can't send emailServer 2012R2 DNS server returning SERVFAIL for some AAAA queriesUsing MX records for load balancing on *outgoing* email: bad practice?





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}







1















We use GMS (Gordano) mail server v3793 on a Win2008 box.



Since 4 days ago, outgoing mail has failed for all external domains, with POST log entries similar to the following:



DNS gmail.com - No address (-10)
MX lookup failed for gmail.com (89)
found 1 records for gmail.com using gmail.com
1: gmail.com [216.58.206.101] 0
Resolved: gmail.com [216.58.206.101]
gmail.com failed to connect to gmail.com


I was originally using 156.154.70.1 as DNS server. Google and OpenDNS servers produce the same results.



Incoming mail appears OK.



MX toolbox tells me Dns record not found from the Dns Record Published test.



A notable event is that server updates were applied about 36 hours before the problem started.



If there's any obvious solutions, please spell it out in obvious steps.



Thanks in advance.



nslookup -type=mx -debug gmail.com



Got answer:
HEADER:
opcode = QUERY, id = 1, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 1, authority records = 0, additional = 0



QUESTIONS:
222.222.67.208.in-addr.arpa, type = PTR, class = IN
ANSWERS:
-> 222.222.67.208.in-addr.arpa
name = resolver1.opendns.com
ttl = 597210 (6 days 21 hours 53 mins 30 secs)




Server: resolver1.opendns.com
Address: 208.67.222.222





Got answer:
HEADER:
opcode = QUERY, id = 2, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 5, authority records = 0, additional = 0



QUESTIONS:
gmail.com, type = MX, class = IN
ANSWERS:
-> gmail.com
MX preference = 10, mail exchanger = alt1.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 40, mail exchanger = alt4.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 5, mail exchanger = gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 20, mail exchanger = alt2.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 30, mail exchanger = alt3.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)









share|improve this question




















  • 1





    Could you please add the output of nslookup -type=MX -debug gmail.com?

    – Mircea Vutcovici
    Sep 19 '17 at 12:43


















1















We use GMS (Gordano) mail server v3793 on a Win2008 box.



Since 4 days ago, outgoing mail has failed for all external domains, with POST log entries similar to the following:



DNS gmail.com - No address (-10)
MX lookup failed for gmail.com (89)
found 1 records for gmail.com using gmail.com
1: gmail.com [216.58.206.101] 0
Resolved: gmail.com [216.58.206.101]
gmail.com failed to connect to gmail.com


I was originally using 156.154.70.1 as DNS server. Google and OpenDNS servers produce the same results.



Incoming mail appears OK.



MX toolbox tells me Dns record not found from the Dns Record Published test.



A notable event is that server updates were applied about 36 hours before the problem started.



If there's any obvious solutions, please spell it out in obvious steps.



Thanks in advance.



nslookup -type=mx -debug gmail.com



Got answer:
HEADER:
opcode = QUERY, id = 1, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 1, authority records = 0, additional = 0



QUESTIONS:
222.222.67.208.in-addr.arpa, type = PTR, class = IN
ANSWERS:
-> 222.222.67.208.in-addr.arpa
name = resolver1.opendns.com
ttl = 597210 (6 days 21 hours 53 mins 30 secs)




Server: resolver1.opendns.com
Address: 208.67.222.222





Got answer:
HEADER:
opcode = QUERY, id = 2, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 5, authority records = 0, additional = 0



QUESTIONS:
gmail.com, type = MX, class = IN
ANSWERS:
-> gmail.com
MX preference = 10, mail exchanger = alt1.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 40, mail exchanger = alt4.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 5, mail exchanger = gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 20, mail exchanger = alt2.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 30, mail exchanger = alt3.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)









share|improve this question




















  • 1





    Could you please add the output of nslookup -type=MX -debug gmail.com?

    – Mircea Vutcovici
    Sep 19 '17 at 12:43














1












1








1








We use GMS (Gordano) mail server v3793 on a Win2008 box.



Since 4 days ago, outgoing mail has failed for all external domains, with POST log entries similar to the following:



DNS gmail.com - No address (-10)
MX lookup failed for gmail.com (89)
found 1 records for gmail.com using gmail.com
1: gmail.com [216.58.206.101] 0
Resolved: gmail.com [216.58.206.101]
gmail.com failed to connect to gmail.com


I was originally using 156.154.70.1 as DNS server. Google and OpenDNS servers produce the same results.



Incoming mail appears OK.



MX toolbox tells me Dns record not found from the Dns Record Published test.



A notable event is that server updates were applied about 36 hours before the problem started.



If there's any obvious solutions, please spell it out in obvious steps.



Thanks in advance.



nslookup -type=mx -debug gmail.com



Got answer:
HEADER:
opcode = QUERY, id = 1, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 1, authority records = 0, additional = 0



QUESTIONS:
222.222.67.208.in-addr.arpa, type = PTR, class = IN
ANSWERS:
-> 222.222.67.208.in-addr.arpa
name = resolver1.opendns.com
ttl = 597210 (6 days 21 hours 53 mins 30 secs)




Server: resolver1.opendns.com
Address: 208.67.222.222





Got answer:
HEADER:
opcode = QUERY, id = 2, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 5, authority records = 0, additional = 0



QUESTIONS:
gmail.com, type = MX, class = IN
ANSWERS:
-> gmail.com
MX preference = 10, mail exchanger = alt1.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 40, mail exchanger = alt4.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 5, mail exchanger = gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 20, mail exchanger = alt2.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 30, mail exchanger = alt3.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)









share|improve this question
















We use GMS (Gordano) mail server v3793 on a Win2008 box.



Since 4 days ago, outgoing mail has failed for all external domains, with POST log entries similar to the following:



DNS gmail.com - No address (-10)
MX lookup failed for gmail.com (89)
found 1 records for gmail.com using gmail.com
1: gmail.com [216.58.206.101] 0
Resolved: gmail.com [216.58.206.101]
gmail.com failed to connect to gmail.com


I was originally using 156.154.70.1 as DNS server. Google and OpenDNS servers produce the same results.



Incoming mail appears OK.



MX toolbox tells me Dns record not found from the Dns Record Published test.



A notable event is that server updates were applied about 36 hours before the problem started.



If there's any obvious solutions, please spell it out in obvious steps.



Thanks in advance.



nslookup -type=mx -debug gmail.com



Got answer:
HEADER:
opcode = QUERY, id = 1, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 1, authority records = 0, additional = 0



QUESTIONS:
222.222.67.208.in-addr.arpa, type = PTR, class = IN
ANSWERS:
-> 222.222.67.208.in-addr.arpa
name = resolver1.opendns.com
ttl = 597210 (6 days 21 hours 53 mins 30 secs)




Server: resolver1.opendns.com
Address: 208.67.222.222





Got answer:
HEADER:
opcode = QUERY, id = 2, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 5, authority records = 0, additional = 0



QUESTIONS:
gmail.com, type = MX, class = IN
ANSWERS:
-> gmail.com
MX preference = 10, mail exchanger = alt1.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 40, mail exchanger = alt4.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 5, mail exchanger = gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 20, mail exchanger = alt2.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)
-> gmail.com
MX preference = 30, mail exchanger = alt3.gmail-smtp-in.l.google.com
ttl = 3600 (1 hour)






windows-server-2008 mx-record






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Sep 19 '17 at 12:58







Ferret64

















asked Sep 19 '17 at 12:27









Ferret64Ferret64

64




64








  • 1





    Could you please add the output of nslookup -type=MX -debug gmail.com?

    – Mircea Vutcovici
    Sep 19 '17 at 12:43














  • 1





    Could you please add the output of nslookup -type=MX -debug gmail.com?

    – Mircea Vutcovici
    Sep 19 '17 at 12:43








1




1





Could you please add the output of nslookup -type=MX -debug gmail.com?

– Mircea Vutcovici
Sep 19 '17 at 12:43





Could you please add the output of nslookup -type=MX -debug gmail.com?

– Mircea Vutcovici
Sep 19 '17 at 12:43










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