Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nhcs.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 07:33:29 UTC · ↺ Refresh
MX Hostnames
- nhcs-net.mail.protection.outlook.com
MX Priorities
- nhcs-net.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-01.mcnc.org hostmaster.ncren.net 2025121600 14400 3600 1209600 14400
Primary NS (mname)
ns-01.mcnc.org
Admin Email (rname)
hostmaster@ncren.net
Serial
2025121600
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
14400s
Nameservers (NS)
ns-01.mcnc.org
ns-02.mcnc.org
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:152.26.51.85 ip4:152.26.51.86 ip4:152.26.51.87 ip4:152.26.51.88 ip4:152.26.51.89 ip4:152.26.51.90 include:customerspf.schoolmessenger.com include:_spf.google.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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
9 records- apple-domain-verification=EwYpp9jcPigvIBDn
- SPFv=spf1 ip4:152.26.51.85 ip4:152.26.51.86 ip4:152.26.51.87 ip4:152.26.51.88 ip4:152.26.51.89 ip4:152.26.51.90 include:customerspf.schoolmessenger.com include:_spf.google.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com ~all
- cisco-ci-domain-verification=2e4546c7f88b7ed5707e9841c27ada95a56572a87a9480d93e7ee9a3a65360c2
- openai-domain-verification=dv-r46I4FmxN80aQ9Pn1aSvwkAU
- ZOOM_verify_sTUNGxdBS0SdMBRRqsueuQ
- google-site-verification=rb756TDZkzU3KoMyTCrkyZKZZF0y0eHKJS9lDgrQkrQ
- c5cac34f1dec44a0bf9c1083cc0a79fe
- MS=ms38702305
- bw=TTSqm2FLlRkkhdrzjo97zjJc0iA3ghnuMo8y41qDEaVk
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