Trey, the bees behind the hive say: "Please open an issue in this system: https://issuetracker.google.com/issues/new?component=191885";
>From what I can tell there are other folk with similar problems so some triangulation on 'what is actually wrong here?' is in order. On Wed, Jul 31, 2019 at 10:28 AM Trey Nolen <tno...@internetpro.net> wrote: > > We have been experiencing delays / failures receiving email from domains > hosted by Google and *only* domains hosted by Google. > > This is happening to customers for whom we host the authoritative DNS > servers. For some reason, Google is not able to look up the MX and/or > A record *sometimes* from our servers. > > Customers are getting an error like this: > --BEGIN > DNS Error: 49391460 DNS type ‘mx’ lookup of <domain hosted with us> > responded with code NOERROR 49391460 DNS type ‘aaaa’ lookup of > mail.internetpro.net <http://mail.internetpro.net>. responded with code > SERVFAIL 49391460 DNS type ‘a’ lookup of mail.internetpro.net > <http://mail.internetpro.net>. responded with code SERVFAIL > > --END > > In the above case, Google is saying they can't find our mail server. > There is no AAAA record, so that part is normal. > > However, we have other customers who are hosting their own mail servers > or are using relay services such as Trend Micro who are also having a > similar issue. The only thing these customers have in common is our DNS > and the fact that Google is trying to send email to them. > > I can query Google's public servers at 8.8.8.8 and 8.8.4.4 and they > always give the correct answers, but it seems that internally, Google is > unable to make these lookups. Reaching out to their support agents > online, the agents confirm that the correct entries are in place and > that *some* of Google's servers can't do the resolution resulting in > sporadic email delivery. They suggest that we reach out to the DNS > provider to find out why (Grrr) > > We've also had reports from customers that the failures seem to be > location oriented with western US emails being held up and eastern US > emails coming through. I can't independently confirm that, though. > > A full 100% of the email delivery issues have been Google hosted > domains. It seems that every other ISP can do the lookups just fine, > but getting in touch with someone at Google who can troubleshoot this is > impossible for a small ISP like us. > > If anyone can point me to somone at Google who could help me out, I'd be > very thankful. > > > Trey Nolen > >
