Email DNS records for superprof.pt

MX, SPF, DMARC and DKIM records published for superprof.pt.

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

superprof.pt 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).
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.
DKIM Revoked key A DKIM record exists under the selector default, but its public key is empty (revoked).

Last checked: 2026-11-05 (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 superprof.pt

  • 0 .

Email authentication records for superprof.pt

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 @superprof.pt

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

Server location

IP address108.138.64.50
Reverse IPserver-108-138-64-50.iad12.r.cloudfront.net
CountryUnited States of America
ASN16509

Name servers

NS 1ns-834.awsdns-40.net.
NS 2ns-1422.awsdns-49.org.
NS 3ns-1802.awsdns-33.co.uk.
NS 4ns-99.awsdns-12.com.

TXT records for superprof.pt

TXT 1v=spf1 -all

Frequently asked questions

Can superprof.pt receive email?

No. superprof.pt publishes a null MX record, which declares that it does not accept email.

Does superprof.pt use SPF and DMARC?

superprof.pt publishes an SPF record. Its DMARC policy is p=reject.

Is superprof.pt a free email provider?

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

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