Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
quadrus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 11:48:31 UTC · ↺ Refresh
MX Hostnames
- quadrus-com.mail.protection.outlook.com
MX Priorities
- quadrus-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.146.57 (no PTR)
- 104.21.95.170 (no PTR)
- 2606:4700:3037::6815:5faa
- 2606:4700:3031::ac43:9239
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ivy.ns.cloudflare.com dns.cloudflare.com 2399310568 10000 2400 604800 1800
Primary NS (mname)
ivy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399310568
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
neil.ns.cloudflare.com
ivy.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:email.freshdesk.com ip4:204.12.145.129 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- MS=ms84423076
- atlassian-domain-verification=CbFvje02GhjRon0G6YhEDJWgRruHZcMVA9i7VuE2j/R7ueVUeB4sBoXim/gTG4lm
- qdi-prd-www70a.azurewebsites.net
- SPFv=spf1 include:spf.protection.outlook.com include:email.freshdesk.com ip4:204.12.145.129 -all
Full email verification for quadrus.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits