Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tamusa.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 06:07:10 UTC · ↺ Refresh
MX Hostnames
- tamusa-edu.mail.protection.outlook.com
MX Priorities
- tamusa-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 96.46.160.99 ↩ proxy-ext.tamusa.edu
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.tamusa.edu hostmaster.tamusa.edu 543 900 600 86400 3600
Primary NS (mname)
ns1.tamusa.edu
Admin Email (rname)
hostmaster@tamusa.edu
Serial
543
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns4.tamusa.edu
ns1.tamusa.edu
ns2.tamusa.edu
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_tuf-spf.touchnet.com include:illiad.oclc.org include:outboundmail.blackbaud.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=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
✓ 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
9 records- 3NlDZRUBSbW8exIV4lh+1sOVkLSfbK5EGI6Y3yAIXEsxr5QNjZszaecwoomumk+Y16znmOIAZFC3l6+bmA8z9g==
- atlassian-domain-verification=F9PcYzRCS34XfKDV8buZn7m3S2Pkjrbay9Hd1MKhAaZEj9jSE7Hvw3dEXj1iaUcq
- google-site-verification=ZDL3wfyVtJKSom2vF9g5AwSQtEWCwcrjfQfo8cYdqqM
- SPFv=spf1 include:spf.protection.outlook.com include:_tuf-spf.touchnet.com include:illiad.oclc.org include:outboundmail.blackbaud.net -all
- adobe-idp-site-verification=77d99f745a92c469cc89641e4259995f0762f06b85700a96e95809153f94d18c
- cisco-ci-domain-verification=7935c67d71b45921cd8b79b9728c678a3da592af2b2ecbaca7da0d32bca94205
- MS=ms45882391
- atlassian-sending-domain-verification=d60ea29e-2664-4979-bea5-c59cd923dcc6
- apple-domain-verification=GXkZMRFs0OHIpRWN
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