Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lacksenterprises.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:13:57 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 1
- us-smtp-inbound-2.mimecast.com: 1
A / AAAA Records
- 172.66.146.151 (no PTR)
- 104.20.46.165 (no PTR)
- 2606:4700:10::6814:2ea5 (no PTR)
- 2606:4700:10::ac42:9297 (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
hazel.ns.cloudflare.com dns.cloudflare.com 2397906669 10000 2400 604800 1800
Primary NS (mname)
hazel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397906669
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
vicente.ns.cloudflare.com
hazel.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
4 records- apple-domain-verification=La0njqjxdJblkcVQ
- cisco-ci-domain-verification=6991c1d6fd757ae1f45c83c1bff18e3d222afd3b7c6775a46924755fe6c8a25d
- knowbe4-site-verification=f1beeb3fd873c96bff4e7b00be891b03
- SPFv=spf1 include:us._netblocks.mimecast.com ~all
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