Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cube-real.estate
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 15:59:20 UTC · ↺ Refresh
MX Hostnames
- cubereal-estate01b.mail.protection.outlook.com
MX Priorities
- cubereal-estate01b.mail.protection.outlook.com: 10
A / AAAA Records
- 92.205.174.164 ↩ 164.174.205.92.host.secureserver.net
Mail Server IPs
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns39.domaincontrol.com dns.jomax.net 2026020403 28800 7200 604800 600
Primary NS (mname)
ns39.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020403
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns39.domaincontrol.com
ns40.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.crsend.com include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com include:agenturserver.de ip4:157.97.47.109 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 include:spf.crsend.com include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com include:agenturserver.de ip4:157.97.47.109 -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for cube-real.estate
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits