4aero.com

Valid Email Server
Domain Lookup › 4aero.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
4aero.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 07:45:39 UTC · ↺ Refresh

MX Hostnames

  • mx36.protectedservice.net
  • mx16.protectedservice.net
  • mx46.protectedservice.net
  • mx26.protectedservice.net

MX Priorities

  • mx36.protectedservice.net: 10
  • mx26.protectedservice.net: 10
  • mx16.protectedservice.net: 10
  • mx46.protectedservice.net: 10

A / AAAA Records

  • 71.163.38.19 ↩ static-71-163-38-19.washdc.fios.verizon.net
  • 2001:470:e094:10::1:12 (no PTR)

Mail Server IPs

  • 18.135.18.183 ↩ mta5dc8.protectedservice.net
  • 35.177.208.188 ↩ mta3dc1.protectedservice.net
  • 13.41.27.9 ↩ mta4dc2.protectedservice.net

SOA Record

Raw SOA pns11.cloudns.net support.cloudns.net 2026030601 7200 1800 1209600 3600
Primary NS (mname)
pns11.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026030601
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

pns13.cloudns.net
pns14.cloudns.net
pns12.cloudns.net
pns11.cloudns.net

SPF Record

✓ Strict (-all)
v=spf1 a:71.163.38.18 include:spf.protectedservice.net include:spf.trusted-forwarder.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

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

All TXT Records

1 record
  • SPFv=spf1 a:71.163.38.18 include:spf.protectedservice.net include:spf.trusted-forwarder.org -all
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