Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mrbpartners.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 07:28:39 UTC · ↺ Refresh
MX Hostnames
- mrbpartners-com.mail.protection.outlook.com
MX Priorities
- mrbpartners-com.mail.protection.outlook.com: 0
A / AAAA Records
- 69.27.102.4 ↩ cp1024.blacksun.ca
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.blacksun.ca info\@mrbpartners.com 2026031801 3600 1800 1209600 86400
Primary NS (mname)
dns1.blacksun.ca
Admin Email (rname)
info\@mrbpartners@com
Serial
2026031801
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns1.blacksun.ca
dns2.blacksun.ca
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.bluematrix.com include:amazonses.com +ip4:69.27.96.200 +ip4:69.27.97.200 include:49672948.spf06.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
3 records- google-site-verification=vV0lJ3r-Bq1Umm y_22JFUt1Wg66mvz3WZtO8VDnonjM
- brevo-code:5668b6a30b542a2fd83169b5d4039078
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.bluematrix.com include:amazonses.com +ip4:69.27.96.200 +ip4:69.27.97.200 include:49672948.spf06.hubspotemail.net -all
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