Domain Overview
DNS: ✓ 5d ago
Checker: ✓ 5d ago
utswmed.org
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-17 20:43:17 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 40.122.75.249 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
swnsmgmt.swmed.edu domains.lists.utsouthwestern.edu 2026091000 28800 7200 1209600 7200
Primary NS (mname)
swnsmgmt.swmed.edu
Admin Email (rname)
domains@lists.utsouthwestern.edu
Serial
2026091000
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
swnse3.dns.swmed.edu
swnse4.dns.swmed.edu
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- facebook-domain-verification=xtg2z2tlbrh1fxoxcfbxw8tdqtg0cp
- SPFv=spf1 a mx -all
- 70493472B6CEAC285DF5C78C50FF4459
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