Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
acumen.us.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 23:38:48 UTC · ↺ Refresh
MX Hostnames
- acumen-us-com.mail.protection.outlook.com
MX Priorities
- acumen-us-com.mail.protection.outlook.com: 0
A / AAAA Records
- 192.124.249.38 ↩ cloudproxy10038.sucuri.net
Mail Server IPs
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns75.worldnic.com namehost.worldnic.com 123081818 10800 3600 604800 3600
Primary NS (mname)
ns75.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
123081818
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns76.worldnic.com
ns75.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:12.97.49.226 ip4:104.4.61.137 include:spf.protection.outlook.com include:secureserver.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:12.97.49.226 ip4:104.4.61.137 include:spf.protection.outlook.com include:secureserver.net ~all
- MS=ms74582489
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