aci.com

Valid Email Server
Domain Lookup › aci.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 13:01:22 UTC · ↺ Refresh

MX Hostnames

  • aci-com.mail.protection.outlook.com

MX Priorities

  • aci-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 23.254.244.36 ↩ hwsrv-870453.hostwindsdns.com

Mail Server IPs

  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:207.114.84.11/27 ip4:96.70.188.106/27 a:outbound3.bullhorn.com a:outbound2.bullhorn.com a:o1.email.bullhornmail.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

4 records
  • mscid=pSup1ct9fV70EMtWhlql5+GAtUgC1z5HRp40cbWpXD1qQfClb+Z6WWV/IcyFPujJd2IZagMUlehhlpsIpWHfrQ==
  • 9a5q1thfarl81s9l2i7g7ght60
  • mu8unf0pua0aift13e7giqr5nj
  • SPFv=spf1 ip4:207.114.84.11/27 ip4:96.70.188.106/27 a:outbound3.bullhorn.com a:outbound2.bullhorn.com a:o1.email.bullhornmail.com include:spf.protection.outlook.com -all
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