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
✗ MissingNo 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
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