Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tamus.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 03:52:12 UTC · ↺ Refresh
MX Hostnames
- tamus-edu.mail.protection.outlook.com
MX Priorities
- tamus-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.tamu.edu infoblox.tamu.edu 2738 14400 3600 2419200 900
Primary NS (mname)
ns1.tamu.edu
Admin Email (rname)
infoblox@tamu.edu
Serial
2738
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns3.tamu.edu
ns2.tamu.edu
ns1.tamu.edu
SPF Record
✓ Strict (-all)
v=spf1 ip4:128.194.92.141 ip4:165.91.22.118 include:e2ma.net include:email.prnewswire.com include:spf.constantcontact.com include:sendgrid.net include:fsspfus.freshemail.io include:_spf.psm.knowbe4.com include:spf.protection.outlook.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=1;rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 1% of failing messages only
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
7 records- slack-domain-verification=OzusdKQK2vfXKZdJTNhA2NU9EIxTOqJwwbCfZjmG
- apple-domain-verification=KApFUqcQbbECoL51
- heyhack-verification=a32b35f3-94f4-48d1-8da7-b93f4f0153cb
- asv=9360eb92eed7d984fb24bdf2c0cdffe2
- SPFv=spf1 ip4:128.194.92.141 ip4:165.91.22.118 include:e2ma.net include:email.prnewswire.com include:spf.constantcontact.com include:sendgrid.net include:fsspfus.freshemail.io include:_spf.psm.knowbe4.com include:spf.protection.outlook.com -all
- ms-domain-verification=50344579-6bfe-4da9-a45a-7cdca45ab905
- H0hDqXxQtR1GOPPdPWDFZk9ma0yfYzFp1gQQmUk3dgOVmff/Bt0fPRrMtpXv6Tktkxe+S4fvhtigwPAj9riGYQ==
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