Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
omnisystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 04:55:59 UTC · ↺ Refresh
MX Hostnames
- omnisystems-com.mail.protection.outlook.com
MX Priorities
- omnisystems-com.mail.protection.outlook.com: 0
A / AAAA Records
- 70.168.177.240 ↩ wsip-70-168-177-240.dc.dc.cox.net
Mail Server IPs
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns23.worldnic.com namehost.worldnic.com 126033018 10800 3600 604800 3600
Primary NS (mname)
ns23.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126033018
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns23.worldnic.com
ns24.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=25
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 25% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- duo_sso_verification=YNS6nP38RZJFP6otTwgZUg4P6amKWgbxB9zaqq27oSdhJAhrRq1lLvV6xXezq9Ei
- MS=ms24762065
- qmtmh0l8kbap6pclglo1li0hsi
- google-site-verification=EmQ9M3EDBu5CiqCB8D719od7fKsfbkmcG5TylXzNCN4
- SPFv=spf1 include:spf.protection.outlook.com -all
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