Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
quartet-eng.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:32:36 UTC · ↺ Refresh
MX Hostnames
- quarteteng-com01i.mail.protection.outlook.com
MX Priorities
- quarteteng-com01i.mail.protection.outlook.com: 0
A / AAAA Records
- 160.153.0.216 ↩ 216.0.153.160.host.secureserver.net
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns75.domaincontrol.com dns.jomax.net 2025011500 28800 7200 604800 600
Primary NS (mname)
ns75.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025011500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns76.domaincontrol.com
ns75.domaincontrol.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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- ca3-95baeb254700484ba4c3712d5e81a201
- test
- NETORGFT775217.onmicrosoft.com
- SPFv=spf1 include:spf.protection.outlook.com -all
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