protaxpdx.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-04 05:44:41 UTC · ↺ Refresh

MX Hostnames

  • protaxpdx-com.mail.protection.outlook.com

MX Priorities

  • protaxpdx-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 172.67.217.252 (no PTR)
  • 104.21.43.33 (no PTR)
  • 2606:4700:3032::ac43:d9fc
  • 2606:4700:3034::6815:2b21

Mail Server IPs

  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA oswald.ns.cloudflare.com dns.cloudflare.com 2399146608 10000 2400 604800 1800
Primary NS (mname)
oswald.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399146608
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

oswald.ns.cloudflare.com
rita.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms11791958
  • taxpro-site-verification=3c155ef4018d9b0f68ed80820684d586
  • SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for protaxpdx.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits