dupps.com

Valid Email Server
Domain Lookup › dupps.com

Domain Overview

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

Checked via [email protected] · 2026-03-30 06:45:31 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

  • 104.131.41.6 ↩ cpanel014.corecommhosting.com

Mail Server IPs

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

SOA Record

Raw SOA ns4.corecommhosting.com kennysay.gmail.com 2026032702 3600 1800 1209600 86400
Primary NS (mname)
ns4.corecommhosting.com
Admin Email (rname)
kennysay@gmail.com
Serial
2026032702
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns5.corecommhosting.com
ns4.corecommhosting.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:216.227.44.202 include:us._netblocks.mimecast.com include:_spf.brainier.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • rpaj4d9v5qe24rodjft4g4gcp2
  • cisco-ci-domain-verification=2d100a1af853649d412349f237df02251d7cd0f4fec97906f8bd754841c9ca8f
  • MS=9087549B0B4CEF5505AA056F9568108B9585C2EF
  • MS=ms37684137
  • 9ss9su3pvbdbourjbicjo4e2jc
  • SPFv=spf1 mx a ip4:216.227.44.202 include:us._netblocks.mimecast.com include:_spf.brainier.com ~all
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