Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clearharbor.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:25:05 UTC · ↺ Refresh
MX Hostnames
- clearharbor-com.mail.protection.outlook.com
MX Priorities
- clearharbor-com.mail.protection.outlook.com: 0
A / AAAA Records
- 92.112.190.229 (no PTR)
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns15.worldnic.com namehost.worldnic.com 125110411 10800 3600 604800 3600
Primary NS (mname)
ns15.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125110411
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns16.worldnic.com
ns15.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:zcsend.net include:relay.mailchannels.net include:_spf.salesforce.com include:servers.mcsv.net include:transmail.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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- duo_sso_verification=l9A23cRxS0mUXYCvo4RuovLCY2vYNtc33xNHFaXQ97F9MPCAjG7jZam27LzgwfIa
- SPFv=spf1 include:spf.protection.outlook.com include:zcsend.net include:relay.mailchannels.net include:_spf.salesforce.com include:servers.mcsv.net include:transmail.net ~all
- sending_domain1071862=56a2824a5c3ee4b371a4164fc25254db1e6cf0557c844becd745db9c3dff4b62
- google-site-verification=tmlXMQe2_qZa_LTUIDDG-bGILsnbKlSdjwAWNHS30Y0
Full email verification for clearharbor.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits