upso.edu.ar

Valid Email Server
Domain Lookup › upso.edu.ar

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
upso.edu.ar
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 08:28:53 UTC · ↺ Refresh

MX Hostnames

  • mx.uns.edu.ar

MX Priorities

  • mx.uns.edu.ar: 10

A / AAAA Records

  • 200.49.225.37 ↩ upso.edu.ar

Mail Server IPs

  • 200.49.228.90 ↩ mx.uns.edu.ar

SOA Record

Raw SOA ns1.uns.edu.ar root.ns1.uns.edu.ar 2026031901 21600 3600 604800 21600
Primary NS (mname)
ns1.uns.edu.ar
Admin Email (rname)
root@ns1.uns.edu.ar
Serial
2026031901
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
21600s

Nameservers (NS)

ns2.uns.edu.ar
ns1.uns.edu.ar

SPF Record

✓ Strict (-all)
v=spf1 a:mx.uns.edu.ar a:mx2.uns.edu.ar a:smtpa.uns.edu.ar a:smtpx.uns.edu.ar a:smtpz.uns.edu.ar ip4:200.49.228.89 include:_spf.google.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

6 records
  • google-site-verification=RRJ84F9CG0w3OeugcGQOSFe5UzQ_DNYUcgMP2xAScyo
  • MS=0250C920A86122E413186E06769AB474E0C31CCD
  • google-site-verification=36k2n98MEk1rrVRKpwB-k-8urN5OchsVCGh8uLATluc
  • SPFv=spf1 a:mx.uns.edu.ar a:mx2.uns.edu.ar a:smtpa.uns.edu.ar a:smtpx.uns.edu.ar a:smtpz.uns.edu.ar ip4:200.49.228.89 include:_spf.google.com -all
  • google-site-verification=rxPWjkHRXHVz-PQfKviQ5wKRF6szSlRMTxmkHpWdc34
  • google-site-verification=cz-Wxjf9RDDYDIgAKsFYjqadY4M_-cisdCj_Vwz9V0A
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