Problems with MX records

Question

I have just recently transfer my domains and hosting them to Route 53. I am using lightsail instance for my website. I am keeping the email for my domain in the old hosting, Siteground. I have added the 3 MX records pointing to siteground before transferring the domain to Route 53. The transfer was completed last Friday and changed the DNS zone as the documentation for the domain but keep the MX records as they were. A part of having bad requests and website down since I migrated the website last Saturday, I can't send or received any email since last night. I did the DNS records in Route 53, and after migrating the website to a lightail instance last Saturday I created a DNS zone in lightsail and added the DNS records in there too. Somebody can tell me what could be the cause of that. There's a conflict if you kkep DNS records in Route 53 and Lightsail DNS zone? Shall I use only Route 53 hosting zone or lightsail DNS Zone? Could be that also the cause of the constants bad requests and website down all the time? Thanks

Peter_N · Answer

Thank you for opening a support case as suggested.

Please note that AWS support response time on a support cases is dependent on subscribed support level[See [Compare AWS Support Plans](https://aws.amazon.com/premiumsupport/plans/?nc=sn&loc=1)] and the severity of the case as described in an earlier[ re:post](https://repost.aws/questions/QUiLlswhP2TB-J_YjMCXP8nw/my-aws-support-case-still-unassigned-after-24-hours), i.e.

```
"... For developer support, general guidance support cases have a target response time of 24 hours and 12 hours for system impaired. However, it is based on business hours. Business hours are generally defined as 8:00 AM to 6:00 PM in the customer country as set in My Account console, excluding holidays and weekends. These times may vary in countries with multiple time zones..."
```
As mentioned earlier to address your questions we require details that are non-public information, please continue to correspond to us via the support case.

rePost-User-5919905 · Answer

Thanks for your answers and help, I really appreciate it. It's all sorted thanks

rePost-User-5919905 · Answer

Thanks for the reply. I opened a case more than 12 hrs ago and haven’t beefed answered even I am paying a technical support plan. Very disappointed with the AWS support centre. So apart of deleting the DNS records from Route 53 shall I delete the hosting zone to avoid conflicts? Will that stop the 500 bad requests related to DNS? The NS records are  taken from the lightsail DNS zone. But the MX records don’t show when checking if they are operating and emails are not coming or going. Thanks

Peter_N · Answer

Thank you for contacting AWS Re:post,

To answer your question, we require details that are non-public information. Please open a support case with AWS using the following [link](https://console.aws.amazon.com/support/home#/case/create).

In general,  you can mange your domain DNS zone either in Route 53 hosted zone or [Lightsail DNS Zone ](https://lightsail.aws.amazon.com/ls/docs/en_us/articles/lightsail-how-to-create-dns-entry)but not in both as you can only have one active DNS zone. Refer to this [document](https://lightsail.aws.amazon.com/ls/docs/en_us/articles/understanding-dns-in-amazon-lightsail) on DNS features supported  Lightsail DNS.

To confirm which DNS zone is active, navigate your domain registration page in Route 53 as described on this [document](https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/domain-name-servers-glue-records.html#domain-name-servers-glue-records-adding-changing) [or perform a [whois lookup](https://gwhois.org/)], note the name servers associated with the domain and then check if they are associated with Route 53 hosted zone or Lightsail DNS Zone.

Once you confirm the DNS zone, then ensure that all required DNS records (including MX records) are created there.

Problems with MX records

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