decisionone.com

Valid Email Server
Domain Lookup › decisionone.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
decisionone.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 21:57:22 UTC · ↺ Refresh

MX Hostnames

  • decisionone-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 75.2.118.177 ↩ ab8640ac6b3fb2358.awsglobalaccelerator.com
  • 99.83.165.75 ↩ ab8640ac6b3fb2358.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1513.awsdns-61.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1513.awsdns-61.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1513.awsdns-61.org
ns-1759.awsdns-27.co.uk
ns-689.awsdns-22.net
ns-112.awsdns-14.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:12.145.21.97 ip4:204.152.177.64 include:spf.protection.outlook.com -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

✓ 3 found
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector2

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

All TXT Records

3 records
  • MS=ms75731745
  • _3sbttp0aeogiu5mp5urwmt20mea99vx
  • SPFv=spf1 a mx ip4:12.145.21.97 ip4:204.152.177.64 include:spf.protection.outlook.com -all
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