Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cghsnc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 02:35:08 UTC · ↺ Refresh
MX Hostnames
- cghsnc-org.mail.eo.outlook.com
MX Priorities
- cghsnc-org.mail.eo.outlook.com: 10
A / AAAA Records
- 104.17.70.73 (no PTR)
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns51.worldnic.com namehost.worldnic.com 125112109 10800 3600 604800 3600
Primary NS (mname)
ns51.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125112109
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns52.worldnic.com
ns51.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:209.85.161.74 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:spf.exclaimer.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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
4 records- openai-domain-verification=dv-a9B0vqgjLs9smuf7bPtb9e4C
- SPFv=spf1 ip4:209.85.161.74 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:spf.exclaimer.net -all
- apple-domain-verification=r5mFTBS136NYjKkX
- DNS Host name (TXT record name): TXT record value:
Full email verification for cghsnc.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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