I've had a domain for about 10 years. It expired on 2017-02-18. I got emails about it. I tried to renew it, but I couldn't, because I can't open my account on a registrar's site. I wrote mails, but nobody answered. It's Erdomain.com.
Whois shows what a registrar is
PDR LTD. D/B/A PUBLICDOMAINREGISTRY.COM. Also they updated registration till 2017-02-18. They didn't answer on my emails.
I don't know what to do...
Is it possible to get my domain back?