Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clarkjohnsonco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 08:02:52 UTC · ↺ Refresh
MX Hostnames
- clarkjohnsonco-com.mail.protection.outlook.com
MX Priorities
- clarkjohnsonco-com.mail.protection.outlook.com: 10
A / AAAA Records
- 216.86.217.216 (no PTR)
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.sorkincomputer.net admin.sorkincomputer.net 59 3600 600 1209600 90000
Primary NS (mname)
ns1.sorkincomputer.net
Admin Email (rname)
admin@sorkincomputer.net
Serial
59
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
90000s
Nameservers (NS)
ns2.sorkincomputer.net
ns3.sorkincomputer.net
ns1.sorkincomputer.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=FF776EB2277DC87646866585C8E382C8ADE935A0
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