Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
regancpa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 06:03:09 UTC · ↺ Refresh
MX Hostnames
- regancpa-com.mail.protection.outlook.com
MX Priorities
- regancpa-com.mail.protection.outlook.com: 0
A / AAAA Records
- 8.19.178.100 (no PTR)
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
cullen.ns.cloudflare.com dns.cloudflare.com 2400400078 10000 2400 604800 1800
Primary NS (mname)
cullen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400400078
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cullen.ns.cloudflare.com
nataly.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +include:spf.protection.outlook.com ip4:71.92.246.130 ip4:199.191.57.37 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- NETORGFT3354364.onmicrosoft.com
- duo_sso_verification=eYr6sMYBvMo84EnNSUtECighY3uSII2wcfvVHsKA45FZLDn7Pt3HRBNIn7P6mdub
- SPFv=spf1 +include:spf.protection.outlook.com ip4:71.92.246.130 ip4:199.191.57.37 -all
- MS=ms18049450
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