uacc.arizona.edu

Valid Email Server
Domain Lookup › uacc.arizona.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
uacc.arizona.edu
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 03:51:39 UTC · ↺ Refresh

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MX Hostnames

  • usb-smtp-inbound-2.mimecast.com
  • usb-smtp-inbound-1.mimecast.com

MX Priorities

  • usb-smtp-inbound-1.mimecast.com: 10
  • usb-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 23.185.0.3 (no PTR)
  • 2620:12a:8000::3 (no PTR)
  • 2620:12a:8001::3 (no PTR)

Mail Server IPs

  • 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
  • 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com

SOA Record

Raw SOA ns-558.awsdns-05.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-558.awsdns-05.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-301.awsdns-37.com
ns-558.awsdns-05.net
ns-1467.awsdns-55.org
ns-1739.awsdns-25.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.med.arizona.edu -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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

4 records
  • MS=ms47613127
  • SPFv=spf1 include:_spf.med.arizona.edu -all
  • v=spf2.0/mfrom,pra include:_spf.med.arizona.edu -all
  • AgzKblVTHkuAY4O1ZGfX0P+UKbX6H4ZGXref04n1eO3UKYIucEhauIIIVarixS6XE29STEbcJkFXelA1Ly+LHg==
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