nmusd.us

Valid Email Server
Domain Lookup › nmusd.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nmusd.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 18:33:58 UTC · ↺ Refresh

MX Hostnames

  • nmusd-us.mail.protection.outlook.com

MX Priorities

  • nmusd-us.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.249.83.127 (no PTR)

Mail Server IPs

  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA dns.nmusd.us dnsmaster.nmusd.us 2023121465 7200 1800 2160000 28800
Primary NS (mname)
dns.nmusd.us
Admin Email (rname)
dnsmaster@nmusd.us
Serial
2023121465
Refresh
7200s
Retry
1800s
Expire
2160000s
Minimum TTL
28800s

Nameservers (NS)

dns.nmusd.us
dns2.nmusd.us

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:104.249.83.0/27 ip4:199.36.164.0/22 ip4:13.93.142.2/32 include:_spf.aeries.net include:_spf.parentlink.net include:spf.blackboardconnect.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
  • apple-domain-verification=sJF0bBOgZ1mlG9ZX
  • jamf-site-verification=fb4u_W3uOVq-6GR3vBUVHQ
  • rAM059RzmDZU+iSGLDQNcihrWDYWP8tz60iy6cLYGZY8wdnbiKt+a0nVxJm1XgbHNTbrNZi0vEM1n7OHauSXOQ==
  • box-domain-verification=7bd03bfe8cda3d8073241cbe34668fad409cbc882f00f962e69a5f9e6375403
  • MS=ms89973522
  • SPFv=spf1 ip4:104.249.83.0/27 ip4:199.36.164.0/22 ip4:13.93.142.2/32 include:_spf.aeries.net include:_spf.parentlink.net include:spf.blackboardconnect.com include:spf.protection.outlook.com ~all
  • adobe-idp-site-verification=396f05977d9ac586a8f4591c4554bec3b29a5e628bf69df30043e7b43be89fe5
  • apple-domain-verification=xrQjmksz984fUR6Q
  • apple-domain-verification=BZrIl7IMnfJZs4bG
  • b03Hk+N4e/8RFH7xU+V4FvR/JF2VRLLnMgNRMWy3Em00F+KoMEbmVQy9RvToh2W/i7JlWkTeoUHDomto0DW3Ag==
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