Set reverse DNS (rDNS) for your VPS
Reverse DNS maps your VPS IP back to a hostname. Mail servers check it. Set it in your VPS's Network section, after creating a matching A record for the hostname.
- Difficulty:
- Intermediate
- Time:
- 10 minutes
On this page
Reverse DNS (rDNS) turns an IP address back into a name, for example 203.0.113.10 → mail.yourdomain.com. Normal DNS does the opposite. You set rDNS for your VPS IP from the VPS's Network section, where available for your location.
Why it matters
Email: most mail servers look up the rDNS of the server sending mail. If it is missing, generic, or doesn't match, your emails are often rejected or sent to spam. If you run a mail server, this is a must.
Trust and logs: other servers and tools show the name instead of a bare IP, which looks more professional and is easier to recognise.
Step 1: Create the forward (A) record first
rDNS works best when it matches in both directions. Before setting it, create an A record for the name you want, pointing to your VPS IP. For example, in your domain's DNS:
Type | Name | Value |
|---|---|---|
A |
|
|
Wait until the record works: nslookup mail.yourdomain.com should return your IP. See Manage DNS records for your domain.
Step 2: Set the rDNS for your IP
Location | Where to set it |
|---|---|
India | Billing panel → Servers → Manage on your VPS → Server Panel → Network tab |
Germany | Billing panel → Servers → Manage on your VPS → Manage VPS tab → Network, or manage.endercloud.in. IPv4 only: IPv6 rDNS is not supported. |
USA | Billing panel → Servers → Manage on your VPS → Network tab |
Open the Network section for your VPS.
Find your IPv4 address and its reverse DNS / PTR field.
Enter the full hostname, for example
mail.yourdomain.com, and save.
If you don't see an rDNS option for your VPS, open a ticket with the IP and the hostname you want, and our team will set it for you.
Step 3: Check that it works
rDNS changes can take from a few minutes to a few hours to show everywhere. Then check from any computer:
nslookup 203.0.113.10On Linux or macOS you can also use dig -x 203.0.113.10 +short. The answer should be your hostname.
Tips for mail servers
Use the same name in three places: the rDNS, the A record, and the hostname your mail software announces (often called HELO/EHLO).
Also set up SPF, DKIM and DMARC records for your domain; rDNS alone doesn't guarantee delivery.
Sending bulk or unsolicited email breaks our Terms and can lead to suspension.
Frequently asked questions
What is my rDNS before I change it?
A default name set by us. On Germany VPS it is powered-by.endercloud.in. Run nslookup YOUR-IP to see yours.
Can I set rDNS for IPv6 on a Germany VPS?
No, IPv6 reverse DNS is not supported on Germany VPS. Use IPv4 for mail.
Is rDNS the same as my server's hostname?
No. The hostname is set inside your operating system; rDNS is set on the network. For mail servers it's best to make them match.
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