Email and website stopped after DNS changes

Symptoms

The website and email both stopped after a DNS change.
Only one service works, for example the site works but mail does not, or the reverse.
The problem started right after changing records, nameservers or the hosting address.

A DNS record was removed or replaced, including the MX, A or TXT records that other services need.
The records were added at a different DNS provider from the one that serves the domain.
A record was typed with a wrong value, such as an old address or a missing mail host.
The change has not finished spreading, and different visitors see different results.

Record your current DNS. Save the output of dig A, dig MX, dig TXT and dig NS for the domain before you make any further change.
Compare with the last working set. If you have an earlier export or note, use it.
Confirm the nameservers with dig NS yourdomain.com +short.

Save these results before you edit anything, so you can compare after each change.

Website record missing. Restore the A record to the hosting address. See A and AAAA records.
Mail records missing. Restore the MX records for your mail service. See MX records and Add MX records.
Mail authentication records missing. Restore the SPF, DKIM and DMARC records for your mail service. See Email authentication records.
Wrong provider. Make changes only at the DNS provider the nameserver lookup names. See Find your DNS provider.

Change one record at a time, and test after each change.

Contact support if you cannot tell which records were changed, or if the records are correct and one service still fails after the change has spread.

The saved output of dig A, dig MX, dig TXT and dig NS, before and after the change.
The list of changes you made, with the time of each.

2026-10-27