Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cruzroja.or.cr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 06:04:01 UTC · ↺ Refresh
MX Hostnames
- cruzroja-or-cr.mail.protection.outlook.com
MX Priorities
- cruzroja-or-cr.mail.protection.outlook.com: 0
A / AAAA Records
- 20.231.48.30 (no PTR)
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
server3.nidux.com soporte.nidux.com 2026031901 3600 1800 1209600 86400
Primary NS (mname)
server3.nidux.com
Admin Email (rname)
soporte@nidux.com
Serial
2026031901
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
server3.nidux.com
server4.nidux.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:169.62.200.219 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 +a +mx +ip4:169.62.200.219 +include:spf.protection.outlook.com -all
- MS=ms99152095
- ebrrpggvj976ddotr8j360468q
- 6urM6MyUmMVD0qfv73M7d0Vhco4yzroP1lvCGQlRRGL2C7oVEyau4HwLv4ZjXLYiBq8gLnTkaUDvQojYuQH6pA==
- 5tevfaf202oio3vas5tmkcnf26
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