gknaerospace.com

Valid Email Server
Domain Lookup › gknaerospace.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 14:24:08 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • eu-smtp-inbound-2.mimecast.com: 5
  • eu-smtp-inbound-1.mimecast.com: 5

A / AAAA Records

  • 104.47.160.14 (no PTR)

Mail Server IPs

  • 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
  • 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA udns1.cscdns.net premiumdns.support.neustar 2019111936 28800 7200 1209600 86400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
premiumdns@support.neustar
Serial
2019111936
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

udns1.cscdns.net
udns2.cscdns.uk

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:46.22.189.51 ip4:80.95.173.197 include:_netblocks.mimecast.com include:mailgun.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

9 records
  • ibmid=3faf5479-9663-4b1a-a237-b5657db0bc05
  • MS=C2B876B015E6043D4C2BD6AA00664BC634729083
  • daee7b2f5f7b25e745a292903981783c973834f6f22bf4c7ae
  • knowbe4-site-verification=42e4fdb460a3b8e2b53379a2d6e83acb
  • 8uI+07gF+WFCug5frHAIXzXXRUeiTkQdh/q0O/lBqrLiILm93G+PZrTutaF4+cm7n6kWgh7ep2qbrlP47U8Aaw==
  • SPFv=spf1 mx ip4:46.22.189.51 ip4:80.95.173.197 include:_netblocks.mimecast.com include:mailgun.org -all
  • MS=ms35976750
  • 3fbkdte13gmllibj9hnofllu95
  • 9mrmh745088a2pbaosnclsu30a
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