Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rfadevelopments.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 08:29:47 UTC · ↺ Refresh
MX Hostnames
- mx-cluster-ca02.hornetsecurity.com
- mx-cluster-ca03.hornetsecurity.com
- mx-cluster-ca01.hornetsecurity.com
- mx-cluster-ca-fallback.hornetsecurity.com
- rfadevelopments-com.mail.protection.outlook.com
MX Priorities
- mx-cluster-ca02.hornetsecurity.com: 20
- rfadevelopments-com.mail.protection.outlook.com: 0
- mx-cluster-ca03.hornetsecurity.com: 30
- mx-cluster-ca01.hornetsecurity.com: 10
- mx-cluster-ca-fallback.hornetsecurity.com: 40
A / AAAA Records
- 162.241.244.124
Mail Server IPs
- 108.163.133.231 ↩ mx-cluster-ca01.hornetsecurity.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 209.172.38.68 ↩ hsmx01-hz11.hornetsecurity.com
- 94.100.132.8
SOA Record
Raw SOA
ns1.bluehost.com root.box5138.bluehost.com 2023050301 86400 7200 3600000 300
Primary NS (mname)
ns1.bluehost.com
Admin Email (rname)
root@box5138.bluehost.com
Serial
2023050301
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
300s
Nameservers (NS)
ns1.bluehost.com
ns2.bluehost.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; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 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
3 records- MS=ms34547160
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms66652907
Full email verification for rfadevelopments.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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