houstonbiologicaldentist.com

Valid Email Server
Domain Lookup › houstonbiologicaldentist.com

Domain Overview

DNS: ✓ just now Checker: ✓ just now
houstonbiologicaldentist.com
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-01 23:05:16 UTC · ↺ Refresh

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MX Hostnames

  • mxb.mailgun.org
  • mxa.mailgun.org

MX Priorities

  • mxb.mailgun.org: 10
  • mxa.mailgun.org: 10

A / AAAA Records

  • 34.174.87.28 ↩ 28.87.174.34.bc.googleusercontent.com

Mail Server IPs

  • 34.149.254.5 ↩ 5.254.149.34.bc.googleusercontent.com
  • 34.36.182.139 ↩ 139.182.36.34.bc.googleusercontent.com

SOA Record

Raw SOA ns21.domaincontrol.com dns.jomax.net 2025111200 28800 7200 604800 600
Primary NS (mname)
ns21.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025111200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns21.domaincontrol.com
ns22.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.leadconnectorhq.com include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • google-gws-recovery-domain-verification=64067930
  • SPFv=spf1 include:_spf.google.com include:spf.leadconnectorhq.com include:mailgun.org ~all
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