t-online.de

t-online.de is configured to receive email — it has 4 mail servers (MX records).

Mail servers (MX)

Priority	Mail exchanger
1	mx03.t-online.de
2	mx00.t-online.de
3	mx02.t-online.de
4	mx01.t-online.de

Email DNS facts

Accepts mail	Yes
Catch-all	Unknown
SPF record	Yes `v=spf1 ip4:194.25.134.16/28 ip4:194.25.134.80/28 ~all`
DMARC record	Yes `v=DMARC1; p=none; rua=mailto:dmarc-rua@rx.t-online.de`

What does this mean?

These are public DNS facts about the domain t-online.de. MX records list the servers that accept mail for the domain. SPF and DMARC are DNS policies that help receivers fight spoofing. A catch-all domain accepts mail to every address, so the existence of a single mailbox cannot be confirmed.

This page does not reveal any individual email address or whether a specific mailbox exists — to verify one address, use the email checker.

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