protzeltherapy.com

Valid Email Server
Domain Lookup › protzeltherapy.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
protzeltherapy.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 03:29:24 UTC · ↺ Refresh

MX Hostnames

  • mx2.paubox.com

MX Priorities

  • mx2.paubox.com: 10

A / AAAA Records

  • 198.49.23.145 (no PTR)
  • 198.49.23.144 (no PTR)
  • 198.185.159.144 (no PTR)
  • 198.185.159.145 (no PTR)

Mail Server IPs

  • 52.26.218.15 ↩ smtp4.paubox.com
  • 52.26.137.1 ↩ smtp5.paubox.com
  • 52.26.86.178 ↩ smtp6.paubox.com

SOA Record

Raw SOA ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com 13 21600 3600 1209600 300
Primary NS (mname)
ns-cloud-b1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
13
Refresh
21600s
Retry
3600s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns-cloud-b4.googledomains.com
ns-cloud-b3.googledomains.com
ns-cloud-b2.googledomains.com
ns-cloud-b1.googledomains.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.paubox.com include:_spf.google.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

1 record
  • SPFv=spf1 include:_spf.paubox.com include:_spf.google.com -all
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