Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rcnradio.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 05:41:32 UTC · ↺ Refresh
MX Hostnames
- rcnradio-com-co.mail.protection.outlook.com
MX Priorities
- rcnradio-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 99.84.234.10 ↩ server-99-84-234-10.jfk50.r.cloudfront.net
- 99.84.234.102 ↩ server-99-84-234-102.jfk50.r.cloudfront.net
- 99.84.234.60
- 99.84.234.39
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-660.awsdns-18.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-660.awsdns-18.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-660.awsdns-18.net
ns-1465.awsdns-55.org
ns-2039.awsdns-62.co.uk
ns-467.awsdns-58.com
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
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
4 records- sophos-domain-verification=ee49c7aa78b00f34c653f7e88ddf1d825e0fd4819cd93dcdba259b543d565061
- SPFv=spf1 include:spf.protection.outlook.com -all
- d365mktkey=CdUSh3NgpQw8vbCfizxo5ztH6kYPGxSVIjydhFBcxUQx
- msfpkey=4exkexjwp8yfuaa9fu49xeets
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