americanexpress.com

Valid Email Server
Domain Lookup › americanexpress.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
americanexpress.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 19:09:26 UTC · ↺ Refresh

MX Hostnames

  • mx0b-0023b801.pphosted.com
  • mx0a-0023b801.pphosted.com

MX Priorities

  • mx0b-0023b801.pphosted.com: 10
  • mx0a-0023b801.pphosted.com: 10

A / AAAA Records

  • 23.13.149.244 ↩ a23-13-149-244.deploy.static.akamaitechnologies.com

Mail Server IPs

  • 148.163.153.108 ↩ mx0b-0023b801.pphosted.com
  • 148.163.149.109 ↩ mx0a-0023b801.pphosted.com

SOA Record

Raw SOA a1-196.akam.net dns.aexp.com 261197 3600 900 2419200 300
Primary NS (mname)
a1-196.akam.net
Admin Email (rname)
dns@aexp.com
Serial
261197
Refresh
3600s
Retry
900s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

a8-64.akam.net
a24-67.akam.net
a13-65.akam.net
a1-196.akam.net
a22-66.akam.net
a9-65.akam.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:63.241.217.23 ip4:74.125.149.0/24 ip4:74.125.150.0/24 ip4:66.119.44.14 ip4:66.119.44.13 ip4:66.244.67.0/24 ip4:199.3.18.4 ip4:148.173.88.0/26 ip4:148.173.96.128/26 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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

10 records
  • SPFv=spf1 ip4:63.241.217.23 ip4:74.125.149.0/24 ip4:74.125.150.0/24 ip4:66.119.44.14 ip4:66.119.44.13 ip4:66.244.67.0/24 ip4:199.3.18.4 ip4:148.173.88.0/26 ip4:148.173.96.128/26 -all
  • OSSRH-61504
  • iI4t08IsaGI0nwiRkjvUTj2bsVpTUbgIg6BNm0aPMzI=
  • google-site-verification=EQlwnW4GMge07fKpyFPTHu5nWUdHGAJDmrUmB8bhi5g
  • 00da0000000hlilma4
  • vjkdhsiomklp
  • apple-domain-verification=TX9__9cGbRTolbaJRZ94euAiIGHkz6b6a1_7cy_bGk8
  • 00d4w000001wvb0uag
  • facebook-domain-verification=5t5jnj7o0bh7cf6h2pxxjwg0ltlw3j
  • facebook-domain-verification=1iv6o6lnefss8petsvgqew0cafqz6p
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