Authentication Records Check for

zoom.us

Instant checks for DMARC, SPF, and BIMI with clear, actionable guidance.

DMARC SPF BIMI

All data displayed is public and provided by the DNS system. Use of this website is subject to our Terms of Service.

Last checked about 9 hours ago

0 out of 100
Very Good

Domain Health Score

Your domain has strong email authentication. A few improvements can get you to a perfect score.

SPF
Sender Policy Framework
26 / 30
DMARC
Domain-based Message Authentication
45 / 50
BIMI
Brand Indicators for Message Identification
20 / 20

Top Recommendation

+4

Upgrade to -all (hard fail) for maximum protection

SPF improvement

0

DMARC Check Results

45 / 50 points

Score Breakdown

DMARC record published
+10
Syntax valid
+5
Reject policy (maximum protection)
+20
Aggregate reporting (rua) configured and verified
+10
Forensic reporting (ruf) not configured (optional)
0 / 5

DMARC Check Passed: Properly Configured

DMARC record is valid and configured correctly.

_dmarc.zoom.us TXT Entry:

v=DMARC1;p=reject;ri=3600;rua=mailto:[email protected],mailto:[email protected];

Policy (p)

reject

DKIM Alignment (adkim)

Relaxed (default)

SPF Alignment (aspf)

Relaxed (default)

Reporting (RUA/RUF)

Aggregate Reports

Configured
[email protected]
[email protected]
External Domain Verification
[email protected]

Verification successful

Learn more about aggregate reports →

Forensic Reports

Not Configured
Learn more about forensic reports →

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0

BIMI Check (default selector)

20 / 20 points

Score Breakdown

BIMI record published
+5
BIMI record valid
+5
Logo URL accessible and valid SVG
+5
Verified Mark Certificate (VMC) valid
+5

BIMI Record Found and Looks Good

Current BIMI Entry:

v=BIMI1; l=https://explore.zoom.us/media/zoom-icon-bimi.svg; a=https://explore.zoom.us/docs/zoom_video_communications_inc.pem;

Logo URL

https://explore.zoom.us/media/zoom-icon-bimi.svg

image/svg+xml

Note: We do not parse SVG content for safety.

Mark Certificate

https://explore.zoom.us/docs/zoom_video_communications_inc.pem

Valid PEM detected

0

SPF Record Check Results

26 / 30 points

Score Breakdown

SPF record published
+10
Syntax valid
+5
Soft fail policy (~all)
+6 / 10
No configuration warnings
+5

SPF record is valid.

zoom.us TXT SPF Entry:

v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.google.com include:amazonses.com ip4:52.38.191.241 include:servers.mcsv.net include:_spf.salesforce.com include:spf.mandrillapp.com ip4:13.110.78.0/24 ~all

Syntax Check

OK

DNS Lookup Count

7 / 10 max

Root-level mechanisms requiring DNS queries: 6.

Void Lookups

2 / 2 max

Default Policy

~all

Soft fail: Mark emails from unauthorized servers as suspicious but don't reject

All Authorized IP Addresses

Grouped by DNS record source (includes and sub-includes)

zoom.us (Root SPF Record)
52.38.191.241
13.110.78.0/24

This record also contains:

include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.google.com - Google include:amazonses.com - Amazon SES include:servers.mcsv.net - Mailchimp include:_spf.salesforce.com include:spf.mandrillapp.com - Mailchimp Transactional
include:_spf.google.com | Google
74.125.0.0/16
209.85.128.0/17
2001:4860:4000::/36
2404:6800:4000::/36
2607:f8b0:4000::/36
2800:3f0:4000::/36
2a00:1450:4000::/36
2c0f:fb50:4000::/36
include:amazonses.com | Amazon SES
199.255.192.0/22
199.127.232.0/22
54.240.0.0/18
69.169.224.0/20
23.249.208.0/20
23.251.224.0/19
76.223.176.0/20
54.240.64.0/18
76.223.128.0/19
216.221.160.0/19
206.55.144.0/20
24.110.64.0/18
include:servers.mcsv.net | Mailchimp
205.201.128.0/20
198.2.128.0/18
148.105.0.0/16
include:spf.mandrillapp.com | Mailchimp Transactional
198.2.128.0/24
198.2.132.0/22
198.2.136.0/23
198.2.145.0/24
198.2.186.0/23
205.201.131.128/25
205.201.134.128/25
205.201.136.0/23
205.201.139.0/24
198.2.177.0/24
198.2.178.0/23
198.2.180.0/24

DNS Lookup Details

1
include:
%{ir}.%{v}.%{d}.spf.has.pphosted.com
Not found

No SPF record found

Lookup cost: 1
2
include:
_spf.google.com | Google
Valid

SPF record found

Lookup cost: 0
Included by zoom.us

TXT Record

v=spf1 ip4:74.125.0.0/16 ip4:209.85.128.0/17 ip6:2001:4860:4000::/36 ip6:2404:6800:4000::/36 ip6:2607:f8b0:4000::/36 ip6:2800:3f0:4000::/36 ip6:2a00:1450:4000::/36 ip6:2c0f:fb50:4000::/36 ~all

Processed recursively per RFC 7208

3
include:
amazonses.com | Amazon SES
Valid

SPF record found

Lookup cost: 0
Included by zoom.us

TXT Record

v=spf1 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:54.240.64.0/18 ip4:76.223.128.0/19 ip4:216.221.160.0/19 ip4:206.55.144.0/20 ip4:24.110.64.0/18 -all

Processed recursively per RFC 7208

4
include:
servers.mcsv.net | Mailchimp
Valid

SPF record found

Lookup cost: 0
Included by zoom.us

TXT Record

v=spf1 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 -all

Processed recursively per RFC 7208

5
include:
_spf.salesforce.com
Valid

SPF record found

Lookup cost: 1
Included by zoom.us

TXT Record

v=spf1 exists:%{i}._spf.mta.salesforce.com -all

Processed recursively per RFC 7208

6
exists:
%{i}._spf.mta.salesforce.com
Not exists

Domain does not exist

Lookup cost: 1
7
include:
spf.mandrillapp.com | Mailchimp Transactional
Valid

SPF record found

Lookup cost: 0
Included by zoom.us

TXT Record

v=spf1 ip4:198.2.128.0/24 ip4:198.2.132.0/22 ip4:198.2.136.0/23 ip4:198.2.145.0/24 ip4:198.2.186.0/23 ip4:205.201.131.128/25 ip4:205.201.134.128/25 ip4:205.201.136.0/23 ip4:205.201.139.0/24 ip4:198.2.177.0/24 ip4:198.2.178.0/23 ip4:198.2.180.0/24 ~all

Processed recursively per RFC 7208

Email Security Configuration

How zoom.us configures email authentication

DMARC Domain Policy
Configured
v=DMARC1;p=reject;ri=3600;rua=mailto:[email protected],mailto:[email protected];
p=reject DKIM: relaxed SPF: relaxed Reports enabled
SPF Sender Authorization
Configured
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.google.com include:amazonses.com ip4:52.38.191.241 include:servers.mcsv.net include:_spf.salesforce.com include:spf.mandrillapp.com ip4:13.110.78.0/24 ~all
~all 6 includes 2 IPs
BIMI Brand Indicator
Configured
v=BIMI1; l=https://explore.zoom.us/media/zoom-icon-bimi.svg; a=https://explore.zoom.us/docs/zoom_video_communications_inc.pem;
Logo configured VMC certificate

Change History

Monitoring started January 10, 2026

Configuration changes will appear here when detected

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Reject policy + valid SPF

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Showing domains checked by our users. All data is from public DNS records.

About This Checker

What we check

We analyze your domain's email authentication: DMARC policy and alignment, SPF record and includes, and BIMI logo/CV when present.

Why it matters

Healthy authentication improves delivery and blocks spoofing. Major inbox providers increasingly require DMARC and robust SPF/DKIM practices for senders.

Included features

  • DMARC syntax, policy, and reporting validation
  • SPF record evaluation and include analysis
  • DKIM/SPF alignment interpretation
  • BIMI record and VMC detection
  • Clear setup and remediation guidance

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