lackstrim.com

Valid Email Server
Domain Lookup › lackstrim.com

Domain Overview

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

Checked via [email protected] · 2026-03-26 00:45:45 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 0
  • us-smtp-inbound-2.mimecast.com: 0

A / AAAA Records

  • 72.167.195.221 ↩ 221.195.167.72.host.secureserver.net

Mail Server IPs

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

SOA Record

Raw SOA ns47.worldnic.com namehost.worldnic.com 124010913 10800 3600 604800 3600
Primary NS (mname)
ns47.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
124010913
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns48.worldnic.com
ns47.worldnic.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

✗ 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

5 records
  • MS=ms67874299
  • SPFv=spf1 include:us._netblocks.mimecast.com ~all
  • cisco-ci-domain-verification=55686ed649a21d8543d25e8022e1a741a90ec291eb6e043c31c049cb589a2f08
  • MS=7F62D534D080A5AD77A8F4A1FC7A86A82A038C40
  • knowbe4-site-verification=f1beeb3fd873c96bff4e7b00be891b03
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