Email DNS records for example.com
MX, SPF, DMARC and DKIM records published for example.com. Domain age: 34 years.
example.com publishes a null MX record, which means it does not accept email. Authentication records found: SPF, DMARC. The DKIM key found is revoked.
| Check | Result | What it means |
|---|---|---|
| MX | Null MX | The domain explicitly declares that it does not accept email (RFC 7505). |
| SPF | Found | The record ends with -all: mail from servers not listed should be rejected (hard fail). |
| DMARC | p=reject | The policy is reject: receivers are asked to reject messages that fail DMARC. |
| DKIM | Revoked key | A DKIM record exists under the selector default, but its public key is empty (revoked). |
Last checked: 2026-10-03 (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 example.com
- 0 .
Email authentication records for example.com
SPF record
v=spf1 -all
DMARC record
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s
DKIM record (default)
v=DKIM1; p=
Check a specific email address @example.com
This page checks how example.com is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
Domain registration
Created1992-01-01
Server location
IP address93.184.216.34
CountryUnited States
ASN15133
Name servers
NS 1a.iana-servers.net.
NS 2b.iana-servers.net.
TXT records for example.com
TXT 1_k2n1y4vw3qtb4skdx9e7dxt97qrmmq9
TXT 2v=spf1 -all