I understand that you are failing to receive a verification email, and your domain is been suspend and that broken functionality is now impacting the domain. To verify if you domain is suspended, please Send a WHOIS query for the domain . If the value of Domain Status is clientHold, the domain has been suspended. In addition when a domain is suspended, AWS usually send an email to the email address for the registrant contact for the domain.
However, if the domain was suspended based on a court order, the court might not let AWS notify the registrant contact . To have your domain unsuspended, please contact AWS Support  is free of charge. For more information, about domain registration issues refer to the document below reference link .
Domain registration through AWS Route53asked 3 months ago
Why hasn't my domain been verified?asked 3 years ago
How can I resolve Route 53 dns after ICANN suspended the domain name?asked 3 months ago
SES Email identity not verifying after verifying the Domain identityasked 12 days ago
godaddy domain + lightsail + email? Is it possible?asked 2 years ago
R53 Registered Domain Vertification Email Brokenasked 3 months ago
SES refuses to send email from own domain even though domain and email address are verified + no sandboxAccepted Answerasked 3 months ago
My route53 domain is not propagatingasked 4 months ago
In AWS SES, the email address identities status is unverified under the verified domainasked 11 days ago
Sensing SNS email notifications from my domainasked 6 months ago