cat.pdx.edu

Valid Email Server
Domain Lookup › cat.pdx.edu

Domain Overview

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

Checked via [email protected] · 2026-03-27 20:55:22 UTC · ↺ Refresh

MX Hostnames

  • ehlo.cat.pdx.edu
  • rcpt.cat.pdx.edu

MX Priorities

  • ehlo.cat.pdx.edu: 100
  • rcpt.cat.pdx.edu: 100

A / AAAA Records

  • 131.252.208.98 ↩ vhost-cat.cat.pdx.edu
  • 2610:10:20:208::98 ↩ vhost-cat.cat.pdx.edu

Mail Server IPs

  • 131.252.208.106 ↩ ehlo.cat.pdx.edu
  • 2610:10:20:208::106 ↩ ehlo.cat.pdx.edu
  • 131.252.208.107 ↩ rcpt.cat.pdx.edu
  • 2610:10:20:208::107 ↩ rcpt.cat.pdx.edu

SOA Record

Raw SOA walt.ee.pdx.edu support.cat.pdx.edu 2026032703 600 300 1209600 300
Primary NS (mname)
walt.ee.pdx.edu
Admin Email (rname)
support@cat.pdx.edu
Serial
2026032703
Refresh
600s
Retry
300s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

adns1.cat.pdx.edu
adns3.cat.pdx.edu
adns2.cat.pdx.edu

SPF Record

✓ Strict (-all)
v=spf1 mx a:mailhost.cecs.pdx.edu a:lists.cecs.pdx.edu a:data.cat.pdx.edu +ip4:131.252.208.0/24 +ip6:2610:10:20:208::/64 +ip4:131.252.111.0/24 include:_spf.google.com -all
📊 DNS lookups: 5/10
✓ 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

3 records
  • google-site-verification=-890C13JuIhXRWkoJJRA94YfxnlVwB6tkzjGuTAf5Ko
  • google-site-verification=JhcBC32jhPxvNKmE5qAGGQn8Oh1SoO81fI1ZgpJWoQw
  • SPFv=spf1 mx a:mailhost.cecs.pdx.edu a:lists.cecs.pdx.edu a:data.cat.pdx.edu +ip4:131.252.208.0/24 +ip6:2610:10:20:208::/64 +ip4:131.252.111.0/24 include:_spf.google.com -all
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