Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nic.cr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 14:17:00 UTC · ↺ Refresh
MX Hostnames
- nic-cr.mail.protection.outlook.com
MX Priorities
- nic-cr.mail.protection.outlook.com: 0
A / AAAA Records
- 200.107.82.5 ↩ www.nic.cr
- 2001:13c7:7004:120::25 (no PTR)
Mail Server IPs
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.nic.cr ti.nic.cr 2026020552 14400 7200 604800 300
Primary NS (mname)
dns.nic.cr
Admin Email (rname)
ti@nic.cr
Serial
2026020552
Refresh
14400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ca1.nic.cr
p.nic.cr
dns.nic.cr
a.lactld.org
de.nic.cr
ca2.nic.cr
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 include:spf.protection.outlook.com -all
- apple-domain-verification=4lXioTIefDobGr0B
- google-site-verification=IZmpKwWDajeQGZhAEqy_k_FxcAw0SSH4_og-213V1zU
- h10qbvy2n547mr1blz9l4s86g4dxpd3v
- _o7suneyysk8qbbi3om477i8sjo175nl
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