Gemessen am 2026-07-04 · öffentliches DNS
Ist tandem.co.uk gegen E-Mail-Spoofing geschützt?
Teilweise — tandem.co.uk verschiebt nicht authentifizierte Mails in die Quarantäne (p=quarantine).
Haltung unverändert seit dem 2026-06-19
Stärker geschützt als 27 % der Banken in Vereinigtes Königreich
70 % der Branche setzt bereits p=reject durch
B
DMARC
p=quarantine
SPF
-all
DKIM
4 Selektor(en)
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So behebst du es
Thomas, der DMARC-Copilot, findet jede Quelle, schreibt das exakte DNS und bringt deine Domain sicher von p=none zu p=reject.
Veröffentlichter Eintrag
v=DMARC1; p=quarantine; fo=1; pct=100; rf=afrf; rua=mailto:dmarc-aggreports@tandem.co.uk; ruf=mailto:dmarc-forensicreports@tandem.co.ukWas das bedeutet
- • Politique p=quarantine : les messages non alignés sont mis en indésirable.
- • Au moins une clé DKIM valide publiée.
Verlauf
- 2026-06-26Erste MessungIn Anwendung (p=quarantine)
Über Tandem Bank
Tandem Bank is a French financial institution operating under the domain tandem.co.uk, positioned as an innovative fintech provider delivering digital banking services to consumers and small businesses. As a regulated credit establishment, Tandem Bank maintains critical email infrastructure encompassing client communications, employee correspondence, technology partner interactions, and regulatory authority exchanges. This domain represents a prime target for threat actors attempting to undermine customer trust or intercept sensitive financial transaction data. Securing tandem.co.uk is strategically essential given the inherent sensitivity of financial information processed through its systems. Tandem Bank operates under the cybersecurity obligations prescribed by the NIS2 Directive and, as a financial entity, must comply with DORA (Digital Operational Resilience Act) requirements that establish heightened standards for digital operational resilience. Robust implementation of DMARC, combined with SPF and DKIM authentication protocols, forms a critical foundation for preventing phishing and domain spoofing attacks. These email authentication mechanisms ensure that only authorized servers can transmit emails on behalf of tandem.co.uk, thereby protecting brand reputation and end-user security. For a financial institution operating within the European digital ecosystem, DMARC compliance transcends technical recommendation status; it constitutes a fundamental governance element supporting security architecture and stakeholder accountability. The Observatory DMARC monitors the authentication posture of such institutions to provide transparency regarding email security infrastructure maturity.