Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
cwsuter.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 08:27:22 UTC · ↺ Refresh
MX Hostnames
- cwsuter-com.mail.protection.outlook.com
MX Priorities
- cwsuter-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.86.148 (no PTR)
- 172.67.220.152 (no PTR)
- 2606:4700:3032::6815:5694
- 2606:4700:3031::ac43:dc98
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
john.ns.cloudflare.com dns.cloudflare.com 2403788016 10000 2400 604800 1800
Primary NS (mname)
john.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403788016
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kim.ns.cloudflare.com
john.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:149.72.129.100 include:spf.protection.outlook.com include:spfa.cpmails.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
3 records- nb-verification=tK4X4LLgRXLGWeAy8tOCn4SFNGeJtX1WFqhWxMBkEng
- SPFv=spf1 ip4:149.72.129.100 include:spf.protection.outlook.com include:spfa.cpmails.com -all
- apple-domain-verification=cL5DJiuItVJ1YxPb
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