Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lz-cpa.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:37:50 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
- 141.193.213.10 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
lennon.ns.cloudflare.com dns.cloudflare.com 2398006531 10000 2400 604800 1800
Primary NS (mname)
lennon.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398006531
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lennon.ns.cloudflare.com
maeve.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_netblocks.mimecast.com include:spf.mtasv.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_netblocks.mimecast.com include:spf.mtasv.net ~all
- 0ed1fe018a2ca7f3c12a804b099b0e08f8f83f0481
- MS=ms60192423
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 lz-cpa.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits