Domain Overview
DNS: ✓ just now
Checker: ✓ just now
jbrealestateandinvestment.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-02 01:09:31 UTC · ↺ Refresh
MX Hostnames
- mx30.antispam.mailspamprotection.com
- jbrealestateandinvestment-com.mail.protection.outlook.com
- mx10.antispam.mailspamprotection.com
- mx20.antispam.mailspamprotection.com
MX Priorities
- mx10.antispam.mailspamprotection.com: 10
- mx20.antispam.mailspamprotection.com: 20
- mx30.antispam.mailspamprotection.com: 30
- jbrealestateandinvestment-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.216.245
- 104.21.78.55
- 2606:4700:3033::6815:4e37
- 2606:4700:3037::ac43:d8f5
Mail Server IPs
- 34.149.79.66 ↩ 66.79.149.34.bc.googleusercontent.com
- 34.120.156.61 ↩ 61.156.120.34.bc.googleusercontent.com
- 34.111.121.216 ↩ 216.121.111.34.bc.googleusercontent.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::6
SOA Record
Raw SOA
molly.ns.cloudflare.com dns.cloudflare.com 2405536572 10000 2400 604800 1800
Primary NS (mname)
molly.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405536572
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nicolas.ns.cloudflare.com
molly.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 +a +mx include:spf.protection.outlook.com -all
- MS=ms51109596
- google-site-verification=vc3uBsfEPjCq6DzizrYad0TSoT88ZyH9kWa9u9RAKnA
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 · Customize →
See demo & docs
Deep verification
Full email verification for jbrealestateandinvestment.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits