Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dartcontainer.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 02:45:07 UTC · ↺ Refresh
MX Hostnames
- dart-biz.mail.protection.outlook.com
MX Priorities
- dart-biz.mail.protection.outlook.com: 10
A / AAAA Records
- 40.67.158.181 (no PTR)
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-01.azure-dns.org
ns4-01.azure-dns.info
ns1-01.azure-dns.com
ns2-01.azure-dns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:mailgun.org ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; rf=afrf; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- apple-domain-verification=wwL8h0IK5KUlIgM6
- jamf-site-verification=6HWBB7iOPHWrUOVvgt1RGA
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:mailgun.org ~all
- +9OZmigs3vMaDSyegfT7/YRqPwH4NWm3ImmRWthdRLHQWqN8aEZymQrfVWjPaX/hqoAPPmT8reEhR5PeOvYDvQ==
- M16g1I1MPlrBFRbnVbQyyWD/vRIR3S3otWcivN36i0+4EPtLQ8K69lgUWbw9LzR+QbWPWl3ircGN5EFP/LWnXg==
- cisco-ci-domain-verification=32ea7df0736fa5e384a425123186555872d1c7232e94d5b5fbd8eebb935552b6
- asuid.video.dartcontainer.com 84D744DECDB8CC8DB39BFEB3E73E61E768EEA255998D9E197E81CA8C0C4A2123
- MS=ms96871125
- dropbox-domain-verification=uoe1xehmbxlb
Full email verification for dartcontainer.com
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