Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ula.edu.mx
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 08:38:12 UTC · ↺ Refresh
MX Hostnames
- mxa.mailgun.org
- mxb.mailgun.org
- ula-edu-mx.mail.protection.outlook.com
MX Priorities
- mxb.mailgun.org: 10
- ula-edu-mx.mail.protection.outlook.com: 0
- mxa.mailgun.org: 10
A / AAAA Records
- 76.76.21.21
Mail Server IPs
- 34.160.63.108 ↩ 108.63.160.34.bc.googleusercontent.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 34.160.13.42 ↩ 42.13.160.34.bc.googleusercontent.com
SOA Record
Raw SOA
ns1-04.azure-dns.com dns.jomax.net 2024040800 28800 7200 604800 600
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
dns@jomax.net
Serial
2024040800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns3-04.azure-dns.org
ns4-04.azure-dns.info
ns1-04.azure-dns.com
ns2-04.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mailgun.org -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
6 records- "v=spf1 include:cust-spf.exacttarget.com -all"
- _5zq4u5b6mpy3ain0853mr34jbw94vty
- SPFv=spf1 include:spf.protection.outlook.com include:mailgun.org -all
- google-site-verification=4Q5iWXrD0kW9jmlPpChoPZjmOKJAwc7vNW2yW16cGEQ
- "_4jfrutxyl80o8tn0agl17yqqsmupsiv"
- _e6ifecp3cafjd2fujlw4h2zzue8pd74
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