Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
principiacp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 06:00:38 UTC · ↺ Refresh
MX Hostnames
- principiacp-com.mail.protection.outlook.com
MX Priorities
- principiacp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.89.108 (no PTR)
- 172.67.140.136 (no PTR)
- 2606:4700:3032::6815:596c
- 2606:4700:3034::ac43:8c88
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
adelaide.ns.cloudflare.com dns.cloudflare.com 2399165145 10000 2400 604800 1800
Primary NS (mname)
adelaide.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399165145
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
adelaide.ns.cloudflare.com
augustus.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spfhost.messageprovider.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; ri=846000; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ 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- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spfhost.messageprovider.com -all
- spf2.0/pra a mx include:senderidhost.messageprovider.com -all
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