kswrightassociates.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-14 04:21:01 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 3.171.139.87 ↩ server-3-171-139-87.jfk52.r.cloudfront.net
  • 3.171.139.113 ↩ server-3-171-139-113.jfk52.r.cloudfront.net
  • 3.171.139.42 ↩ server-3-171-139-42.jfk52.r.cloudfront.net
  • 3.171.139.74 ↩ server-3-171-139-74.jfk52.r.cloudfront.net

Mail Server IPs

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

SOA Record

Raw SOA ns-23.awsdns-02.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-23.awsdns-02.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1180.awsdns-19.org
ns-1945.awsdns-51.co.uk
ns-23.awsdns-02.com
ns-787.awsdns-34.net

SPF Record

✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 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

4 records
  • 0ed1fe018a321a791fe3dc4f519e63f98727d02f91
  • MS=ms49626580
  • box-domain-verification=11fad9941b35fe0050995f2133ff447eb8459a7db1863ef029ee7c46981e22d1
  • SPFv=spf1 include:us._netblocks.mimecast.com -all
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