Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dutyfreeamericas.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 19:31:49 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 1
- us-smtp-inbound-1.mimecast.com: 1
A / AAAA Records
- 172.66.170.37 (no PTR)
- 104.20.21.34 (no PTR)
- 2606:4700:10::6814:1522 (no PTR)
- 2606:4700:10::ac42:aa25 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
amir.ns.cloudflare.com dns.cloudflare.com 2400108242 10000 2400 604800 1800
Primary NS (mname)
amir.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400108242
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
megan.ns.cloudflare.com
amir.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.dutyfreeamericas.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- duo_sso_verification=vuc14qLXEilOoqkVaDh8EAzAhnddd3o28emEGmzTW1phJ1n1Ry0ziOVEnt8OEvPm
- SPFv=spf1 include:spf.dutyfreeamericas.com -all
- zoho-verification=zb62907994.zmverify.zoho.com
- apple-domain-verification=Wk1IyfzOA8eLNSVi
- cisco-ci-domain-verification=14eb877cee688b71263111afbb3fb429d07f2c558a7af0772af9d5c3dd017f57
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