Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rush-enterprises.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 17:53:17 UTC · ↺ Refresh
MX Hostnames
- rushenterprises-com01b.mail.protection.outlook.com
MX Priorities
- rushenterprises-com01b.mail.protection.outlook.com: 0
A / AAAA Records
- 65.112.229.111 ↩ rushethics.com
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-38.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-38.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-38.azure-dns.net
ns3-38.azure-dns.org
ns4-38.azure-dns.info
ns1-38.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:172.200.4.195 ip4:52.165.236.59 include:spf.protection.outlook.com include:1hboyr25u.spf.checkpoint-spf.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; fo=1; adkim=r; aspf=r; ruf=mailto:[email protected]; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a mx ip4:172.200.4.195 ip4:52.165.236.59 include:spf.protection.outlook.com include:1hboyr25u.spf.checkpoint-spf.com -all
- hM5r2PP9141aJV1hy2Q4oTTIbbDX5AphGYjeA1NSvAPBu3JIvmxh4fiysvdPkF3zDkBBcdHny65/eu/TXUuq3Q==
- MS=ms78790319
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