Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
cmillar.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 15:39:54 UTC · ↺ Refresh
MX Hostnames
- cmillar-co.mail.protection.outlook.com
MX Priorities
- cmillar-co.mail.protection.outlook.com: 0
A / AAAA Records
- 185.212.71.251 (no PTR)
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns03.domaincontrol.com dns.jomax.net 2024012400 28800 7200 604800 600
Primary NS (mname)
pdns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024012400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns03.domaincontrol.com
pdns04.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a:cmillar.co ip4:181.49.248.66/29 ip4:190.249.138.28 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=20;rua=mailto:;ruf=mailto:;ri=86400;aspf=s;adkim=s;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:
↳ Subdomain policy: quarantine
⚠ Policy applies to 20% 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
2 records- MS=ms93786400
- SPFv=spf1 a:cmillar.co ip4:181.49.248.66/29 ip4:190.249.138.28 include:spf.protection.outlook.com -all
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