Email DNS records for on.co.za

MX, SPF, DMARC and DKIM records published for on.co.za. Domain age: 35 years.

Receives email: Yes Disposable: No Free provider: No SPF: Yes DMARC: Yes

on.co.za can receive email: 2 MX records found. Authentication records found: SPF, DMARC, DKIM.

Check Result What it means
MX Found (2) The domain is configured to receive email.
Free email provider No Not a free mailbox service like Gmail or Yahoo.
SPF Found The record ends with -all: mail from servers not listed should be rejected (hard fail).
DMARC p=none The policy is none: receivers are asked to take no specific action on messages that fail DMARC. It is typically used to monitor authentication. Aggregate reports are requested (rua).
DKIM Found (default) A DKIM public key is published under the selector default.

Last checked: 2026-10-18 (UTC). DNS records can change over time. This report lists public DNS records; their presence does not by itself mean that a domain or its messages are safe.

MX records for on.co.za

  • 0 za-smtp-inbound-2.mimecast.co.za (41.74.197.201)
  • 0 za-smtp-inbound-1.mimecast.co.za (41.74.193.210)

Email authentication records for on.co.za

SPF record
v=spf1 include:spf.protection.outlook.com ip4:41.87.193.240/28 ip4:169.1.20.230 include:za._netblocks.mimecast.com -all
DMARC record
v=DMARC1; p=none; rua=mailto:15dc3adbb6974fe6b5095e3645814fce@dmarc-reports.cloudflare.net
DKIM record (default)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3yM2WH79Ri0rEsRdKXh5/ijS3d3VUQn9c3z3361DIBvV9Vl1TZW/JjmRJ48eMwJN//NjIZky4vp9eYeyZFzBv/XFXSwaaqch+CU7s0McrSiC2MoUF9oGnTxkOVYpkBmwMf9BUdKIGm/+pSM17KdL+x2C1UKvnEWoSMcJUrFe7q/6r1lQEFZBU6fbTYrVp3XpU7Y65ICFt65sd70OPb2rIGp8dCuFc0yl56AyLfcZRUP7q3YRJW5IonCC+5FGuxH6IAEpn3YbBo22y6yXZbGJ9udXherNKckZrF+6Xj+wb4UbSVxTkfV+cWLrpWtG0EhUq6Jb4xvB8DsbyN6dSTDR8wIDAQAB;

Check a specific email address @on.co.za

This page checks how on.co.za is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.

Domain registration

Created1990-11-07
Updated2020-01-15

Server location

IP address129.232.138.180
Reverse IPdedi724.jnb2.host-h.net
CountrySouth Africa
ASN37153

Name servers

NS 1ns2.xms.co.za.
NS 2pop.xms.co.za.

TXT records for on.co.za

TXT 1v=spf1 include:spf.protection.outlook.com ip4:41.87.193.240/28 ip4:169.1.20.230 include:za._netblocks.mimecast.com -all
TXT 20ed1fe018a23bb62134e334bdfaada3a

Frequently asked questions

Can on.co.za receive email?

Yes. on.co.za publishes 2 MX records, so it is configured to receive email. To know whether a specific address exists, verify that address.

Does on.co.za use SPF and DMARC?

on.co.za publishes an SPF record. Its DMARC policy is p=none.

Is on.co.za a free email provider?

No. on.co.za is not on our list of free mailbox providers such as Gmail, Outlook or Yahoo.

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