Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
courtyardalf.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 19:00:03 UTC · ↺ Refresh
MX Hostnames
- courtyardalf-com.mail.protection.outlook.com
- d320547b.ess.barracudanetworks.com
- d320547a.ess.barracudanetworks.com
MX Priorities
- d320547a.ess.barracudanetworks.com: 10
- d320547b.ess.barracudanetworks.com: 20
- courtyardalf-com.mail.protection.outlook.com: 99
A / AAAA Records
- 185.230.63.171
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::2
SOA Record
Raw SOA
ns57.domaincontrol.com dns.jomax.net 2024040502 28800 7200 604800 600
Primary NS (mname)
ns57.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024040502
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns58.domaincontrol.com
ns57.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
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