Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rubiconpartnersinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 15:29:15 UTC · ↺ Refresh
MX Hostnames
- rubiconpartnersinc-com.mail.protection.outlook.com
MX Priorities
- rubiconpartnersinc-com.mail.protection.outlook.com: 10
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.midtownmicro.com admin.midtownmicro.com 2025050202 7200 3600 777600 3600
Primary NS (mname)
ns1.midtownmicro.com
Admin Email (rname)
admin@midtownmicro.com
Serial
2025050202
Refresh
7200s
Retry
3600s
Expire
777600s
Minimum TTL
3600s
Nameservers (NS)
ns3.midtownmicro.com
ns2.midtownmicro.com
ns1.midtownmicro.com
ns4.midtownmicro.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:104.156.185.225 include:spf.protection.outlook.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com include:midtownmicro.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=86400; aspf=r; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- MS=ms60958067
- SPFv=spf1 ip4:104.156.185.225 include:spf.protection.outlook.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com include:midtownmicro.net -all
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