firstdentalhealth.com

Valid Email Server
Domain Lookup › firstdentalhealth.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
firstdentalhealth.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 03:49:25 UTC · ↺ Refresh

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MX Hostnames

  • mxb-002f7901.gslb.pphosted.com
  • mxa-002f7901.gslb.pphosted.com

MX Priorities

  • mxb-002f7901.gslb.pphosted.com: 10
  • mxa-002f7901.gslb.pphosted.com: 10

A / AAAA Records

  • 23.185.0.3 (no PTR)
  • 2620:12a:8001::3 (no PTR)
  • 2620:12a:8000::3 (no PTR)

Mail Server IPs

  • 148.163.138.51 ↩ mx0b-002f7901.pphosted.com
  • 148.163.134.51 ↩ mx0a-002f7901.pphosted.com

SOA Record

Raw SOA ns1.principal.com dns.principal.com 146 21600 3600 1728000 3600
Primary NS (mname)
ns1.principal.com
Admin Email (rname)
dns@principal.com
Serial
146
Refresh
21600s
Retry
3600s
Expire
1728000s
Minimum TTL
3600s

Nameservers (NS)

auth120.ns.uu.net
auth111.ns.uu.net
authns1.qwest.net
authns2.qwest.net

SPF Record

✓ Strict (-all)
v=spf1 mx include:_spf.principal.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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

5 records
  • ZOOM_verify_UzhgB5zxTaSnLCdpT7Aigg
  • adobe-idp-site-verification=a7ae9e72fa263a14cd9b182508844729559a9b654ab5382c0ea15d51fd8a5fd6
  • _tnh1auy5bhip9kva1ts9dbsvblhxq4w
  • MS=ms31690601
  • SPFv=spf1 mx include:_spf.principal.com -all
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