Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
50floor.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 02:34:31 UTC · ↺ Refresh
MX Hostnames
- 50floor-com.mail.protection.outlook.com
MX Priorities
- 50floor-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com include:9476816.spf06.hubspotemail.net include:mailgun.org include:spf.mtasv.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; adkim=s; aspf=s; rua=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
8 records- openai-domain-verification=dv-VE9WLY5YdrjeEnmFab6JPRig
- google-site-verification=wNE391FseO2bvQoQ5Xiqc4K6UmMQNTcNrlVMWshfTpQ
- atlassian-domain-verification=vMgdrsk3s/dfG0VAkgVan9fzLhoO0E/b79qDJnMFiMNwNLpmf0jr3IiKm4Nne6DK
- mscid=nB5B+bWyD2JMnboCROXHJm7R9AZX/HA0oCWsCNaf9Kz44Qd80eSxydu3lcVMDM1FXFnXwJXKV5R93XSH/TQMaA==
- SPFv=spf1 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com include:9476816.spf06.hubspotemail.net include:mailgun.org include:spf.mtasv.net -all
- ca3-d8403cfcd7924f5d8cfdf37559e3fd2c
- ca3-f91e6c23ae254cca82ed4709568dd6d6
- apple-domain-verification=Y7vPlBZlVNSOdIOL
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