slzusd.org

Valid Email Server
Domain Lookup › slzusd.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
slzusd.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 02:51:15 UTC · ↺ Refresh

MX Hostnames

  • slzusd-org.mail.protection.outlook.com

MX Priorities

  • slzusd-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 65.19.175.145 (no PTR)

Mail Server IPs

  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.acoens.us noc.acoe.org 2011052947 10800 3600 604800 86400
Primary NS (mname)
ns1.acoens.us
Admin Email (rname)
noc@acoe.org
Serial
2011052947
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.acoens.us
ns3.acoens.us
ns4.acoe.org
ns2.acoe.org

SPF Record

✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.bbnotify.net include:_spf.google.com include:_spf.salesforce.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

✓ 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

7 records
  • 0ed1fe018af1828ef245874141b1d7a16c7035a8f4
  • 2qrm6hp2l80eaghvrtmaoisvcg
  • google-site-verification=Jkj5OidzajzGEBYko6fxjgRgiWUnNFOza6MuQyNnLkk
  • contractworksverify=2XFwQ3o66pvyQyJrm
  • duo_sso_verification=fBHAhGLVkR55YLBZpETsW8gBU2kcah32QtpH1oRhqWY64iuNkMB7o6y09nXM7K6O
  • MS=ms10554059
  • SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.bbnotify.net include:_spf.google.com include:_spf.salesforce.com -all
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