Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crux-aerospace.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 07:41:45 UTC · ↺ Refresh
MX Hostnames
- cruxaerospace-com01b.mail.protection.outlook.com
MX Priorities
- cruxaerospace-com01b.mail.protection.outlook.com: 0
A / AAAA Records
- 200.58.111.119 ↩ c283.dattaweb.com
- 2800:6c0:2::c:283 ↩ c283.dattaweb.com
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.hostmar.com root.hostmar.com 2026012803 28800 7200 2000000 86400
Primary NS (mname)
ns3.hostmar.com
Admin Email (rname)
root@hostmar.com
Serial
2026012803
Refresh
28800s
Retry
7200s
Expire
2000000s
Minimum TTL
86400s
Nameservers (NS)
ns4.hostmar.com
ns3.hostmar.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
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 -all
- MS=ms18630181
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