Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aucenter.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 03:12:00 UTC · ↺ Refresh
MX Hostnames
- smtp.aucenter.edu
- aucenter-edu.mail.protection.outlook.com
MX Priorities
- smtp.aucenter.edu: 10
- aucenter-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 45.33.97.131 ↩ li1039-131.members.linode.com
Mail Server IPs
- 50.251.171.98 ↩ 50-251-171-98-static.hfc.comcastbusiness.net
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns33.domaincontrol.com dns.jomax.net 2024101000 28800 7200 604800 600
Primary NS (mname)
ns33.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024101000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns33.domaincontrol.com
ns34.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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
4 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
- google-site-verification=0qIsPwG1ACNftho5uuoAgKFoZz8X7EqkbNo_OsnI2aM
- adobe-idp-site-verification=f1abfbdf5f960a4a2ee865bff58db7d3c55684d74e0e93903935b82dddd88677
- MS=ms90180780
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