Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
umm.edu.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 06:07:31 UTC · ↺ Refresh
MX Hostnames
- umm-edu-mx.mail.protection.outlook.com
MX Priorities
- umm-edu-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 172.66.154.95 (no PTR)
- 104.20.40.233 (no PTR)
- 2606:4700:10::6814:28e9
- 2606:4700:10::ac42:9a5f
Mail Server IPs
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
lee.ns.cloudflare.com dns.cloudflare.com 2398300593 10000 2400 604800 1800
Primary NS (mname)
lee.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398300593
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lee.ns.cloudflare.com
tess.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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
5 records- SPFv=spf1 include:spf.protection.outlook.com -all
- adobe-idp-site-verification=677be8e6ef5edc082349c1efcfe95f7daec6a033dfb4928149f4d8afa0e0f21b
- apple-domain-verification=LKMlQZLUQtFpdqqO
- brevo-code:0b2218bbc66211ebd833d4b6ec8b8b21
- google-site-verification=cvojTV9sQ5W84grUZzhYQjRtUYh9nNwrC4jKBpWdwtg
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