intoDNS: eternaldl.in - check DNS server and mail server health
مشکل رو رفع کن حل میشه

MX RecordsOh well, I did not detect any MX records so you probably don't have any and if you know you should have then they may be missing at your nameservers!
Recursive Queries I could use the nameservers listed below to performe recursive queries. It may be that I am wrong but the chances of that are low. You should not have nameservers that allow recursive queries as this will allow almost anyone to use your nameservers and can cause problems. Problem record(s) are:
46.4.178.29