Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rfxinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 21:52:41 UTC · ↺ Refresh
MX Hostnames
- rfxinc-com.mail.protection.outlook.com
MX Priorities
- rfxinc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 2620:12a:8000::1 (no PTR)
- 2620:12a:8001::1 (no PTR)
Mail Server IPs
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
aiden.ns.cloudflare.com dns.cloudflare.com 2398048069 10000 2400 604800 1800
Primary NS (mname)
aiden.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398048069
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
rosa.ns.cloudflare.com
aiden.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:spfa.cpmails.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1:d:s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
7 records- 7gt404jcf0gtqh9unut10bu21o
- MS=ms57919957
- MS=ms97622812
- fa1sj3jkb0ehap7rvac1n768oc
- knowbe4-site-verification=cdf0d130a2d2fe858865601f8384c109
- tAC+OURLZtDabUF81tZ3/aJ8UrLykUJA90NM0oX0Pmck35KNUycbXt7tMoFUpLv+VGwS+zNLpH0vE9/GmjPpGA==
- SPFv=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:spfa.cpmails.com include:_spf.psm.knowbe4.com -all
Full email verification for rfxinc.com
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