About these results
This page shows the MX records for mailbck.criticalcase.com. MX records tell sending mail servers which hosts accept email for a domain. Their priority values control failover order by preferring lower numbers first.
Find other DNS records for mailbck.criticalcase.com:
The results on this page are freshly fetched just for you when you loaded this page. Wirewiki queried the authoritative DNS servers for mailbck.criticalcase.com. That means that these results are guaranteed to be accurate, because there are no caches in between that could potentially cause staleness.
To look up MX records for another hostname or domain name, go back to MX lookup, or use DNS lookup to find all DNS records.