Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clarkatlas.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 07:45:40 UTC · ↺ Refresh
MX Hostnames
- clarkatlas-com.mail.protection.outlook.com
MX Priorities
- clarkatlas-com.mail.protection.outlook.com: 0
A / AAAA Records
- 192.185.77.252 ↩ 192-185-77-252.unifiedlayer.com
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.avantinetworks.com vin.avantinetworks.com 2026012901 86400 7200 3600000 86400
Primary NS (mname)
ns1.avantinetworks.com
Admin Email (rname)
vin@avantinetworks.com
Serial
2026012901
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.avantinetworks.com
ns1.avantinetworks.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- TXT value MS=ms34344795
- SPFv=spf1 include:spf.protection.outlook.com -all
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