Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
castlebrandsinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 05:43:55 UTC · ↺ Refresh
MX Hostnames
- castlebrandsinc-com.mail.protection.outlook.com
MX Priorities
- castlebrandsinc-com.mail.protection.outlook.com: 10
A / AAAA Records
- 54.241.241.137 ↩ ec2-54-241-241-137.us-west-1.compute.amazonaws.com
Mail Server IPs
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns2.no-ip.com hostmaster.no-ip.com 2020062827 10800 1800 604800 1800
Primary NS (mname)
ns2.no-ip.com
Admin Email (rname)
hostmaster@no-ip.com
Serial
2020062827
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns4.no-ip.com
ns1.no-ip.com
ns2.no-ip.com
ns5.no-ip.com
ns3.no-ip.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spfa.cpmails.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=25; fo=1; ri=3600; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
⚠ Policy applies to 25% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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 include:servers.mcsv.net include:spfa.cpmails.com -all
- rabaktrb51nt4ekqg5759iqs06
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