atlassian.com email security: SPF, DKIM & DMARC
Is atlassian.com spoofable? See atlassian.com's SPF, DKIM, DMARC and MTA-STS records and find out if this domain is protected against email spoofing.
Last updated: June 3, 2026
SPF
OKv=spf1 ip4:54.85.255.245 ip4:54.241.191.3 include:_spf.google.com include:cust-spf.exacttarget.com include:spf-001d9801.pphosted.com include:amazonses.com include:spf1.atlassian.com include:spf3.atlassian.com ip4:54.71.147.74 ip4:54.71.63.106 ip4:54.70.13.32 ~allDKIM
OKSelectors: google, mandrill, s1, s2DMARC
OKv=DMARC1; p=reject; fo=1; pct=100; adkim=r; aspf=r; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc-rua@abuse.atlassian.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:dmarc-ruf@abuse.atlassian.comMX
OKmxb-001d9801.gslb.pphosted.com, mxa-001d9801.gslb.pphosted.comRecommendations
1Add MTA-STS to enforce TLS encryption for incoming emails
Without MTA-STS, an attacker performing a man-in-the-middle attack can downgrade the connection between mail servers to plaintext, intercepting emails in transit. MTA-STS tells sending servers to only deliver via TLS with a valid certificate, preventing downgrade attacks.
Run a live analysis
The results above are updated daily. For an instant check of atlassian.com, run a live analysis.
Analyze atlassian.com liveFrequently asked questions about atlassian.com
Is atlassian.com spoofable?
No. atlassian.com is protected against email spoofing with a robust configuration. Email security score: 90/100 (grade A).
Does atlassian.com have an SPF record?
Yes, atlassian.com publishes an SPF record (~all qualifier).
What is atlassian.com's DMARC record?
atlassian.com publishes a DMARC record (_dmarc.atlassian.com) with a p=reject policy.
Does atlassian.com use DKIM?
Yes, DKIM signatures were detected for atlassian.com.
Want to test another domain? Run a free email spoofing test.
Guides to understand these results
SPF Guide
Understand how SPF defines which servers are authorized to send emails for a domain.
DKIM Guide
Discover how DKIM cryptographically signs your emails to guarantee their authenticity.
DMARC Guide
Learn how DMARC orchestrates SPF and DKIM to protect your domain.
MTA-STS Guide
Learn how MTA-STS enforces TLS encryption to protect your emails in transit.
SPF vs DKIM vs DMARC
Compare the three protocols and understand how they work together.