Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
happelbuilders.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:12:18 UTC · ↺ Refresh
MX Hostnames
- happelbuilders-com.mail.protection.outlook.com
MX Priorities
- happelbuilders-com.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns69.worldnic.com namehost.worldnic.com 126030318 10800 3600 604800 3600
Primary NS (mname)
ns69.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030318
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns69.worldnic.com
ns70.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
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