cpa2biz.com

Valid Email Server
Domain Lookup › cpa2biz.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cpa2biz.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 20:58:31 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • us-smtp-inbound-2.mimecast.com

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 10
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 63.236.50.111 (no PTR)

Mail Server IPs

  • 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA ns1.markmonitor.com legal.cpa2biz.com 2025021401 28800 7200 604800 86400
Primary NS (mname)
ns1.markmonitor.com
Admin Email (rname)
legal@cpa2biz.com
Serial
2025021401
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns5.markmonitor.com
ns6.markmonitor.com
ns7.markmonitor.com
ns1.markmonitor.com
ns2.markmonitor.com
ns3.markmonitor.com
ns4.markmonitor.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:63.236.50.69 ip4:38.103.3.36 ip4:38.102.148.171 ip4:38.105.245.3 ip4:64.79.155.0/24 ip4:207.218.90.0/24 ip4:34.215.224.221 ip4:38.102.148.162 include:spf.protection.outlook.com include:_spf.salesforce.com include:mail.zendesk.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100;
⚠ 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

6 records
  • SPFv=spf1 ip4:63.236.50.69 ip4:38.103.3.36 ip4:38.102.148.171 ip4:38.105.245.3 ip4:64.79.155.0/24 ip4:207.218.90.0/24 ip4:34.215.224.221 ip4:38.102.148.162 include:spf.protection.outlook.com include:_spf.salesforce.com include:mail.zendesk.com -all
  • MS=ms89542124
  • 8ooermugqheob9fku74klv9a0
  • qjhs757mbkgv86p4bkqsqtqons
  • google-site-verification=n95NSlaW1VU-bWvyy6-HzM8t9ROACm9RL2tim4QMlfg
  • atlassian-domain-verification=0CTLKWn2nT7bkhJp7HMBBJfb9nZkhghnmq3fMcDZfbqg8wZeS6AUQaju89PEdm54
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for cpa2biz.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits