Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nthc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 12:36:43 UTC · ↺ Refresh
MX Hostnames
- nthc-com.mail.protection.outlook.com
MX Priorities
- nthc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 165.214.41.39 (no PTR)
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.digitalspaceportal.net postmaster.carrierzone.com 2026032513 86400 300 3600000 300
Primary NS (mname)
ns1.digitalspaceportal.net
Admin Email (rname)
postmaster@carrierzone.com
Serial
2026032513
Refresh
86400s
Retry
300s
Expire
3600000s
Minimum TTL
300s
Nameservers (NS)
ns2.digitalspaceportal.net
ns1.digitalspaceportal.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms71974663
- SPFv=spf1 include:spf.protection.outlook.com -all
- identrust_validate=25F8bzCCUp7XmyJiQiwRA3fsVSpc3oaUOHqpzLuByvSZ
- SPFv=spf1 ip4:69.84.129.224/27 ip4:208.70.208.0/22 include:reflexion.net ~all
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