Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
guanacasteairport.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-22 10:50:18 UTC · ↺ Refresh
MX Hostnames
- guanacasteairport-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 104.26.0.17
- 172.67.70.170
- 104.26.1.17
- 2606:4700:20::ac43:46aa
- 2606:4700:20::681a:11
- 2606:4700:20::681a:111
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
jasmine.ns.cloudflare.com
decker.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:74.208.42.143 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms55002848
- cisco-ci-domain-verification=3dbb26e91e8adaae64e7fe73d01d66c3b8fcf33649b5bbf4c895048776649b8a
- duo_sso_verification=2kjLCwOcpzTG5FVg5vJ2BOFqQnCx2Bo9DHb4Z46ENhcysjxJ32Ze8sP3mmi3WBQj
- google-site-verification=0E1bv31sw9ln4kVn84LO7iENangmCY6Rqm3raan2goE
- SPFv=spf1 ip4:74.208.42.143 include:spf.protection.outlook.com -all
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