downtownhoustondentist.com

Valid Email Server
Domain Lookup › downtownhoustondentist.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
downtownhoustondentist.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-17 19:15:01 UTC · ↺ Refresh

MX Hostnames

  • downtownhoustondentist-com.mail.protection.outlook.com

MX Priorities

  • downtownhoustondentist-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 174.138.44.12 ↩ speedster-1.tntsupport.net

Mail Server IPs

  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.downtownhoustondentist.com alerts.13x5.com 2024041801 10800 3600 604800 10800
Primary NS (mname)
ns1.downtownhoustondentist.com
Admin Email (rname)
alerts@13x5.com
Serial
2024041801
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

ns2.downtownhoustondentist.com
ns1.downtownhoustondentist.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.paubox.com include:e2ma.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 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
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.paubox.com include:e2ma.net -all
  • e2ma-verification=qrggb
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