Am 2017-07-04 09:51, schrieb Joachim Fahrner:
> Am 2017-07-04 09:39, schrieb Joachim Fahrner:
>
>> Could it be that dyne.org name servers have temporary connection
>> problems?
>
> When checking dns for tupac2.dyne.org I get 1 error and 3 warnings:
>
> https://mxtoolbox.com/domain/tupac2.dns.org/
>
> E https dns.org The Certificate has a name mismatch
> E dns dns.org Primary Name Server Not Listed At Parent
> E dmarc dns.org DNS Record not found
> E spf dns.org DNS Record not found
> W dns dns.org Bad Glue Detected
> W dns dns.org Local NS list does not match Parent NS list
> W dns dns.org Name Servers are on the Same Subnet
> W smtp mail.shockmedia.com Reverse DNS does not contain the hostname
> W smtp mail.shockmedia.com Reverse DNS does not match SMTP Banner
> W smtp mail.shockmedia.com 5.639 seconds - Warning on Connection time
> W smtp mail.shockmedia.com 12.520 seconds - Not good! on Transaction
> Time
The description for the error "Primary Name Server Not Listed At
Parent":
https://mxtoolbox.com/problem/dns/DNS-Primary-Server-Listed-At-Parent?page=health_dns&hidetoc=0&hidepitch=0&showlogin=1&action=dns:dns.org&domain=tupac2.dns.org
"If your Primary Name Server is not listed at your Parent or is not
responding, then our DNS Propagation test tool will not operate
properly. You will most likely also be experiencing other real world
problems with DNS queries for your domain."