alexa.com

Valid Email Server
Domain Lookup › alexa.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
alexa.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-22 18:29:07 UTC · ↺ Refresh

MX Hostnames

  • amazon-smtp.amazon.com

MX Priorities

  • amazon-smtp.amazon.com: 10

A / AAAA Records

  • 3.168.122.4 ↩ server-3-168-122-4.jfk52.r.cloudfront.net
  • 3.168.122.128 ↩ server-3-168-122-128.jfk52.r.cloudfront.net
  • 3.168.122.66 ↩ server-3-168-122-66.jfk52.r.cloudfront.net
  • 3.168.122.88 ↩ server-3-168-122-88.jfk52.r.cloudfront.net

Mail Server IPs

  • 18.156.100.220 ↩ smtp03.eu-central-1.mail-perimeter.amazon.com

SOA Record

Raw SOA ns-1324.awsdns-37.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 300
Primary NS (mname)
ns-1324.awsdns-37.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns-115.awsdns-14.com
ns-1324.awsdns-37.org
ns-1556.awsdns-02.co.uk
ns-672.awsdns-20.net

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → 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
  • 8543c5de-41bb-48ca-900f-2f1bcb970a3d
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