Email DNS records for 1zdar.cz
MX, SPF, DMARC and DKIM records published for 1zdar.cz. Registered via Reg-zoner. Domain age: 6 years.
Receives email: Yes Disposable: No Free provider: No SPF: Yes DMARC: Yes
1zdar.cz can receive email: 1 MX record found. Authentication records found: SPF, DMARC, DKIM.
| Check | Result | What it means |
|---|---|---|
| MX | Found (1) | 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=reject | The policy is reject: receivers are asked to reject messages that fail DMARC. Aggregate reports are requested (rua). |
| DKIM | Found (default) | A DKIM public key is published under the selector default. |
Last checked: 2026-10-25 (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.
Next steps
MX records for 1zdar.cz
- 50 mail.1zdar.cz (31.31.225.88)
Email authentication records for 1zdar.cz
SPF record
v=spf1 mx include:spf.satthosting.cz include:spf.skolaonline.cz -all
DMARC record
v=DMARC1; p=reject; rua=mailto:admin@1zdar.cz; ruf=mailto:admin@1zdar.cz; adkim=s; aspf=s
DKIM record (default)
v=DKIM1; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsQGy62fAKbnbBMAe2pWu3B0m6o04ZkeXQKrCh2ce8UEZlxRXlGZ+I21Tt0Cj6Kqw566VSaG5m6uN1zVg6jjswvUi+sBkcYLw0Do0CFTSr8DTBBO4YCCmRoTB40vsUnsdHP6VQUZfU63AkGxoAvMYMAN0WoNK0wB0qZZuzUGAJ5F39awVX21YUYqCbAYeCaQgZk0+PlBRjqFjI4ivR0Gg1TN66+8q9HMF4U7yI/Yack/acL+M3kHzOEmY/TFQ4GTHuamRUKlGsQepNaEZVR9TzexD+2iGKvNSy8umzHQLj9K7bosPu04NjMTmqo0zfIIg3bLZEW6kSvv8bui/a9jN7QIDAQAB
Check a specific email address @1zdar.cz
This page checks how 1zdar.cz is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
Domain registration
Server location
Name servers
TXT records for 1zdar.cz
Frequently asked questions
Can 1zdar.cz receive email?
Yes. 1zdar.cz publishes 1 MX record, so it is configured to receive email. To know whether a specific address exists, verify that address.
Does 1zdar.cz use SPF and DMARC?
1zdar.cz publishes an SPF record. Its DMARC policy is p=reject.
Is 1zdar.cz a free email provider?
No. 1zdar.cz is not on our list of free mailbox providers such as Gmail, Outlook or Yahoo.