dentfirst.com

Valid Email Server
Domain Lookup › dentfirst.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dentfirst.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 16:08:01 UTC · ↺ Refresh

MX Hostnames

  • mx1c38.carrierzone.com
  • mx3c38.carrierzone.com
  • mx4c38.carrierzone.com
  • mx2c38.carrierzone.com

MX Priorities

  • mx2c38.carrierzone.com: 100
  • mx4c38.carrierzone.com: 120
  • mx1c38.carrierzone.com: 10
  • mx3c38.carrierzone.com: 110

A / AAAA Records

  • 162.159.135.42 (no PTR)

Mail Server IPs

  • 66.175.58.42 ↩ mx2c38.carrierzone.com
  • 66.175.58.44 ↩ mx4c38.carrierzone.com
  • 66.175.58.41 ↩ mx1c38.carrierzone.com
  • 66.175.58.43 ↩ mx3c38.carrierzone.com

SOA Record

Raw SOA ns1.carrierzone.com postmaster.carrierzone.com 2025060915 86400 86400 3600000 86400
Primary NS (mname)
ns1.carrierzone.com
Admin Email (rname)
postmaster@carrierzone.com
Serial
2025060915
Refresh
86400s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns2.carrierzone.com
ns3.carrierzone.com
ns4.carrierzone.com
ns1.carrierzone.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spfc38.carrierzone.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

3 records
  • ca3-b2a4acfe337842a29a51c145fb977197
  • SPFv=spf1 include:spfc38.carrierzone.com ~all
  • ca3-79ee450548b9461cbb77154407f6110d
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