nationalsecurities.com

Valid Email Server
Domain Lookup › nationalsecurities.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 20:56:01 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

  • 162.159.135.42 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns33.domaincontrol.com dns.jomax.net 2026022700 28800 7200 604800 600
Primary NS (mname)
ns33.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns34.domaincontrol.com
ns33.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.nationalsecurities_com._d.easydmarc.pro -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

6 records
  • docusign=505ea418-93c4-433f-a14b-5a63914ec095
  • knowbe4-site-verification=ac04bbb214d3a27a91b26adf4000762c
  • SPFv=spf1 include:_spf.nationalsecurities_com._d.easydmarc.pro -all
  • 0ed1fe018a54e9c5f6701b489c8c62353d3153d9f2
  • MS=ms23052116
  • ca3-36d52edb43be42dbb45bf1edebfeddb1
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