guest.booking.com

Valid Email Server
Domain Lookup › guest.booking.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
guest.booking.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 00:15:26 UTC · ↺ Refresh

MX Hostnames

  • mxa-0032a204.gslb.pphosted.com
  • mxb-0032a204.gslb.pphosted.com

MX Priorities

  • mxb-0032a204.gslb.pphosted.com: 10
  • mxa-0032a204.gslb.pphosted.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 143.55.150.119 ↩ mx08-0032a204.pphosted.com
  • 66.159.233.238 ↩ mx07-0032a204.pphosted.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Strict (-all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

1 record
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
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