dartco.com

Valid Email Server
Domain Lookup › dartco.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dartco.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-24 20:43:51 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 20
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 34.83.38.206 ↩ 206.38.83.34.bc.googleusercontent.com

Mail Server IPs

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

SOA Record

Raw SOA ns1.precisionit.net support.precisionit.net 2006010300 43200 3600 1209600 180
Primary NS (mname)
ns1.precisionit.net
Admin Email (rname)
support@precisionit.net
Serial
2006010300
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns1.precisionit.net
ns5.precisionit.net
ns3.precisionit.net
ns4.precisionit.net
ns2.precisionit.net

SPF Record

✓ Strict (-all)
v=spf1 include:_netblocks.mimecast.com include:spf.protection.outlook.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

3 records
  • MS=ms62216343
  • MS=ms84173015
  • SPFv=spf1 include:_netblocks.mimecast.com include:spf.protection.outlook.com -all
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