Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clarkwilsonbuilder.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 04:36:02 UTC · ↺ Refresh
MX Hostnames
- clarkwilsonbuilder-com.mail.protection.outlook.com
MX Priorities
- clarkwilsonbuilder-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.189.224.91 ↩ cloudhost-5284963.us-midwest-2.nxcli.net
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns79.worldnic.com namehost.worldnic.com 125072100 10800 3600 604800 3600
Primary NS (mname)
ns79.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125072100
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns79.worldnic.com
ns80.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];fo=1;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:sendgrid.net include:spf.protection.outlook.com -all
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