Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nlmusd.k12.ca.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 22:17:01 UTC · ↺ Refresh
MX Hostnames
- nlmusd-k12-ca-us.mail.protection.outlook.com
MX Priorities
- nlmusd-k12-ca-us.mail.protection.outlook.com: 0
A / AAAA Records
- 54.204.24.19 ↩ ec2-54-204-24-19.compute-1.amazonaws.com
- 54.214.44.86 ↩ ec2-54-214-44-86.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
SOA Record
Raw SOA
ns1.nlmusd.k12.ca.us postmaster.nlmusd.k12.ca.us 2010040309 14400 7200 1209600 28800
Primary NS (mname)
ns1.nlmusd.k12.ca.us
Admin Email (rname)
postmaster@nlmusd.k12.ca.us
Serial
2010040309
Refresh
14400s
Retry
7200s
Expire
1209600s
Minimum TTL
28800s
Nameservers (NS)
ns2.nlmusd.k12.ca.us
nccunix.lacoe.edu
ns1.nlmusd.k12.ca.us
pws.lacoe.edu
netmgr.lacoe.edu
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:mailgun.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- apple-domain-verification=C1l6IpKtyrSqIRRY
- adobe-idp-site-verification=f54446ee8c45ec6826a9627d2ed85ceebe92ddbc9fef0cf0e989cfc65f3843bc
- jamf-site-verification=5EvaLaRuY44PL8XskF7Ctg
- +fLD4vRnZuiByacwt4vkxUNompLUAzizFyWlJ5CT4R6TBjOCMqYRAuimq5vlzXVCJkq8rK2JtJ+ObuQ9uzV2eA==
- L7xNhITTL/WirqghTlFouOJVuxb77aLCS+oCDHefDammEYTx98Ec+1OtT1bUCQcCMbHG8qA1R/jVBf5AN2AvqQ==
- webexdomainverification.46OFS=c2019ae9-8ea6-4439-9b8f-ce35d17907cd
- ZOOM_verify_gMWzBb_nQseTkxcy1y8jqg
- MS=ms86829602
- cisco-ci-domain-verification=42d86752ae941887bdd1fb3497189f5a65a96cf999846757220b8c24ff8d2264
- SPFv=spf1 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:mailgun.org -all
- schoology-domain-verification=b81a0715f9dcd9cf8c232ad18880cd3c3edfe6658be6b002c73a38d9a21c4b43
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