Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sobro.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 04:57:18 UTC · ↺ Refresh
MX Hostnames
- sobro-org.mail.protection.outlook.com
MX Priorities
- sobro-org.mail.protection.outlook.com: 10
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.nameresolvers.com dnsadmin.namejuice.com 2025040917 7200 7200 604800 86400
Primary NS (mname)
dns1.nameresolvers.com
Admin Email (rname)
dnsadmin@namejuice.com
Serial
2025040917
Refresh
7200s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns2.nameresolvers.com
dns3.nameresolvers.com
dns4.nameresolvers.com
dns1.nameresolvers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.constantcontact.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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.protection.outlook.com include:spf.constantcontact.com ~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 sobro.org
SMTP handshake, catch-all detection, SPF/DKIM/DMARC analysis, and Yahoo/Outlook verification.
Get 1,000 Free Credits