Domain Overview
DNS: ✓ 15h ago
Checker: ✓ 15h ago
cbmgmt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 09:07:23 UTC · ↺ Refresh
MX Hostnames
- cbmgmt-com.mail.protection.outlook.com
MX Priorities
- cbmgmt-com.mail.protection.outlook.com: 5
A / AAAA Records
- 172.67.209.136 (no PTR)
- 104.21.82.241 (no PTR)
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
brett.ns.cloudflare.com dns.cloudflare.com 2404099931 10000 2400 604800 1800
Primary NS (mname)
brett.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404099931
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
maria.ns.cloudflare.com
brett.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:184.178.123.5 a:cincmail2.cincsystems.net a:cincmail.cincsystems.net include:spf.customerly.io include:servers.mcsv.net include:spf.protection.outlook.com include:nm.nutshellemail.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
V=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:184.178.123.5 a:cincmail2.cincsystems.net a:cincmail.cincsystems.net include:spf.customerly.io include:servers.mcsv.net include:spf.protection.outlook.com include:nm.nutshellemail.com -all
- MS=ms74387154
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