Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
truexcullins.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 01:53:10 UTC · ↺ Refresh
MX Hostnames
- truexcullins-com.mail.protection.outlook.com
MX Priorities
- truexcullins-com.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.194.159 (no PTR)
Mail Server IPs
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns15.worldnic.com namehost.worldnic.com 126012915 10800 3600 604800 3600
Primary NS (mname)
ns15.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012915
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns15.worldnic.com
ns16.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net -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
4 records- vbfst78rn465896ibe1h2usdlm
- google-site-verification=vTxfDqPAWDIl8xhB6UaUeLmlBvZV1BIcbAf5BuD-qSc
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net -all
- MS=ms99933217
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