davidsonacademy.unr.edu

Valid Email Server
Domain Lookup › davidsonacademy.unr.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
davidsonacademy.unr.edu
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 00:59:21 UTC · ↺ Refresh

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MX Hostnames

  • d81278a.ess.barracudanetworks.com
  • d81278b.ess.barracudanetworks.com

MX Priorities

  • d81278a.ess.barracudanetworks.com: 10
  • d81278b.ess.barracudanetworks.com: 15

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA nsx1.unr.edu dns.unr.edu 666517873 7200 900 1209600 3600
Primary NS (mname)
nsx1.unr.edu
Admin Email (rname)
dns@unr.edu
Serial
666517873
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

nsx3.westus2.cloudapp.azure.com
nsx1.unr.edu
nsx2.unr.edu

SPF Record

✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:mailgun.org include:relay.mailchannels.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → 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

10 records
  • adobe-idp-site-verification=0589b1b9e194371a8c14f6fe759fab2d24014ead3e49a5ab1d15aa9c5a0e964a
  • google-site-verification=yhT27CFe52spfjCly3dNG1uw6SBfBytBFjhvt-pMyXI
  • SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:mailgun.org include:relay.mailchannels.net -all
  • MS=ms51616254
  • MS=B7A59DB5287146A4F16912283B4FFB17BA8A9C74
  • apple-domain-verification=64gZMqamIaZRrs39
  • knowbe4-site-verification=ed08c45c65aa8c0d4cd4d1d3a931b838
  • 202409271154054izwqg9whkx4wx9s3fjshcjffw79ycjgnms6g0953jjsftibxm
  • 202310041711445jsalqpi2r841upjxdt79vrj6mk6ljarotzptd3u15li8lgv7z
  • 2025092916411104vzwt98tj4idter5j30gbn3qfezy0in872xsk1d20bidvjv1m
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