Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sgusd.k12.ca.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 10:20:17 UTC · ↺ Refresh
MX Hostnames
- sgusd-k12-ca-us.mail.protection.outlook.com
MX Priorities
- sgusd-k12-ca-us.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.189.233 (no PTR)
- 104.16.158.133 (no PTR)
- 104.18.190.233
- 104.16.159.133
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
nccunix.lacoe.edu help_desk.lacoe.edu 685 10800 3600 2419200 900
Primary NS (mname)
nccunix.lacoe.edu
Admin Email (rname)
help_desk@lacoe.edu
Serial
685
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
dns4.lacoe.edu
nccunix.lacoe.edu
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
6 records- ms=ms31018102
- SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com -all
- openai-domain-verification=dv-hGUCi11rV858hk0yOyif00cF
- openai-domain-verification=dv-PvULfENJWt8aOKwfyWOEiaFw
- apple-domain-verification=eXktolUaV1quqizM
- wapw2psapmupvw7gkn/3vdvxum1v+vl0gk/76m7ce7xfyg06gsisxzjt7qt9zmr6yn11kbwhmkxwrc2yz4o2lw==
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