Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
siue.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 06:35:50 UTC · ↺ Refresh
MX Hostnames
- siue-edu.mail.protection.outlook.com
MX Priorities
- siue-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 146.163.252.208 ↩ wwwlb.isg.siue.edu
Mail Server IPs
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
exdns3.isg.siue.edu siue-dns.siue.edu 27690 21600 3600 604800 3600
Primary NS (mname)
exdns3.isg.siue.edu
Admin Email (rname)
siue-dns@siue.edu
Serial
27690
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
exdns3.isg.siue.edu
exdns2.isg.siue.edu
exdns1.isg.siue.edu
indns1.isg.siue.edu
smtpb1.isg.siue.edu
smtpb2.isg.siue.edu
indns2.isg.siue.edu
exdns4.isg.siue.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:146.163.252.6 ip4:146.163.252.7 ip4:146.163.252.166 ip4:146.163.252.167 ip4:146.163.5.6 ip4:146.163.5.7 ip4:146.163.5.166 ip4:146.163.5.167 ip4:146.163.252.97 include:spf.protection.outlook.com include:spf-blackboard.siue.edu include:spf2.siue.edu ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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 mx ip4:146.163.252.6 ip4:146.163.252.7 ip4:146.163.252.166 ip4:146.163.252.167 ip4:146.163.5.6 ip4:146.163.5.7 ip4:146.163.5.166 ip4:146.163.5.167 ip4:146.163.252.97 include:spf.protection.outlook.com include:spf-blackboard.siue.edu include:spf2.siue.edu ~all
- dell-technologies-domain-verification=siue.edu_07ddf736-7847-4ce1-b4df-f1f58042e4ec_1689187371
- apple-domain-verification=j6CSROcZ8eELSE5I
- autodesk-domain-verification=qt3kEMtS-j3KggQx8s_O
- jamf-site-verification=K_ml6NYTYNevUqDrDT9dPQ
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