Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uce.edu.do
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 01:19:34 UTC · ↺ Refresh
MX Hostnames
- uce-edu-do.mail.protection.outlook.com
MX Priorities
- uce-edu-do.mail.protection.outlook.com: 0
A / AAAA Records
- 40.121.94.117 (no PTR)
Mail Server IPs
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-04.azure-dns.net
ns3-04.azure-dns.org
ns4-04.azure-dns.info
ns1-04.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ 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
13 records- universidaduce.mail.onmicrosoft.com TXT IN CNDyIVFMS0ww6q6n4Weag5wj5SsBjIpaYFrp6H8b+lMFCTsbsjyGQQ/1TBkqzBpmQDyyd8pKlggcfFwE+AiAbg==
- 4nvimfa35t51temvhnps51e5bb
- gpqk4b05rqjlnen4ipf034s477
- diu462pbjt0tlihl6hftdb0ipa
- google-site-verification=jNSDRNOtk3anX_FrBHZN9YgtDVnD2Y99ezxybCn3bFY
- nnt59t3iglrgutit4de5ccjug1
- 586sperggq0s7peaihlgc41abj
- 9nsc9l4srtj1odcchudlqp8sju
- 4u54bj2noeqpnvgv3f3823v5jv
- fVc9enRL
- MS=ms51512617
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com -all
- VGBJIMWuRZBO02vyCQoh11AYX39jReMZmiXs73XO9EV4k9dfmVrIptZpdAE4lDS+crI2z/bmLKxZnDErdGiF0w==
Full email verification for uce.edu.do
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits