Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
udlap.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 07:45:16 UTC · ↺ Refresh
MX Hostnames
- udlap-mx.mail.protection.outlook.com
MX Priorities
- udlap-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 45.60.11.114 (no PTR)
- 45.60.17.114 (no PTR)
Mail Server IPs
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-35.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-35.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
srvudlans03.udlap.mx
ns1-35.azure-dns.com
ns2-35.azure-dns.net
ns3-35.azure-dns.org
ns4-35.azure-dns.info
srvudlans02.udlap.mx
SPF Record
✓ Strict (-all)
v=spf1 ip4:140.148.9.205 ip4:140.148.53.115 ip4:140.148.9.35 include:spf.protection.outlook.com include:mail.smtp2go.com include:_spf.qualtrics.com include:spfa.cpmails.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
2 records- openai-domain-verification=dv-PDgAGsmQaxRtXBAt4EyqvVj4
- SPFv=spf1 ip4:140.148.9.205 ip4:140.148.53.115 ip4:140.148.9.35 include:spf.protection.outlook.com include:mail.smtp2go.com include:_spf.qualtrics.com include:spfa.cpmails.com -all
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