sg.booking.com

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

Domain Overview

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

Checked via [email protected] · 2026-03-19 00:15:09 UTC · ↺ Refresh

MX Hostnames

  • mx.sendgrid.net

MX Priorities

  • mx.sendgrid.net: 20

A / AAAA Records

No A/AAAA records found.

CNAME → u58461.wl212.sendgrid.net

Mail Server IPs

  • 44.216.124.122 ↩ ec2-44-216-124-122.compute-1.amazonaws.com
  • 3.17.120.38 ↩ ec2-3-17-120-38.us-east-2.compute.amazonaws.com
  • 3.136.245.72 ↩ ec2-3-136-245-72.us-east-2.compute.amazonaws.com
  • 13.216.54.185 ↩ ec2-13-216-54-185.compute-1.amazonaws.com
  • 16.52.110.174 ↩ ec2-16-52-110-174.ca-central-1.compute.amazonaws.com
  • 16.52.61.209 ↩ ec2-16-52-61-209.ca-central-1.compute.amazonaws.com
  • 15.222.160.229 ↩ ec2-15-222-160-229.ca-central-1.compute.amazonaws.com
  • 18.224.101.244 ↩ ec2-18-224-101-244.us-east-2.compute.amazonaws.com
  • 34.198.67.24 ↩ ec2-34-198-67-24.compute-1.amazonaws.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 include:sendgrid.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:sendgrid.net ~all
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