Thanks for your report. I can't reproduce this on a newly launched Bionic EC2 instance (ami-07d0cf3af28718ef8):
ubuntu@ip-172-31-94-19:~$ host ip-172-31-94-19.ec2.internal ip-172-31-94-19.ec2.internal has address 172.31.94.19 ubuntu@ip-172-31-94-19:~$ nslookup ip-172-31-94-19.ec2.internal Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: ip-172-31-94-19.ec2.internal Address: 172.31.94.19 Could you please include the full steps to reproduce the problem, and let us know the exact AMI you are launching? I'm marking this report as Incomplete for the moment, please change the report status back to New once you provided the additional details. Thanks! ** Changed in: ec2-ami-tools (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1840155 Title: new EC2 is unable to resolve local Amazon DNS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ec2-ami-tools/+bug/1840155/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs