Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rnca.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 10:24:24 UTC · ↺ Refresh
MX Hostnames
- rnca-com-br.mail.protection.outlook.com
MX Priorities
- rnca-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 160.153.0.64 ↩ 64.0.153.160.host.secureserver.net
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
eve.ns.cloudflare.com dns.cloudflare.com 2399371206 10000 2400 604800 1800
Primary NS (mname)
eve.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399371206
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
eve.ns.cloudflare.com
glen.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- mscid=UIjGAFvIf+hV7PNZg6mVHYAwhV3rEcjurHYg7ONiu4+mcBL+J8Scju4sw41ygJNZQvtcbDumVZ8xT00VTFQ24Q==
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for rnca.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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