I've seen a similar issue on one of your test hosts and it turned out the issue was due to a non-responding NS server in the host's resolv.conf.
See https://github.com/golang/go/issues/27525 DNS regression. On Wednesday, September 5, 2018 at 5:07:01 PM UTC+2, mrauh wrote: > > Thanks for your help! > > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.