Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blackmountainsand.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:04:25 UTC · ↺ Refresh
MX Hostnames
- blackmountainsand-com.mail.protection.outlook.com
MX Priorities
- blackmountainsand-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com
- 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
ns65.domaincontrol.com dns.jomax.net 2025102467 28800 7200 604800 600
Primary NS (mname)
ns65.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025102467
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns66.domaincontrol.com
ns65.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
7 records- SPFv=spf1 include:spf.protection.outlook.com -all
- mlaif39tqs5s9f2cdq1qjk888d
- brevo-code:3dab817c74d7f0cfcd1ba83ed0398a9a
- MS=ms41550740
- apple-domain-verification=X5yP9XDP4c2x63Lz
- 8bfk938m43mko0v72qhvn311jj
- MS=B1028454ADED0F4A20E5DCB79399C7817D51994F
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 blackmountainsand.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits