Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spfsystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 02:14:01 UTC · ↺ Refresh
MX Hostnames
- spfroofsystems-com.mail.protection.outlook.com
MX Priorities
- spfroofsystems-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.136.207 (no PTR)
- 104.21.86.206 (no PTR)
- 2606:4700:3033::ac43:88cf
- 2606:4700:3037::6815:56ce
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
elliot.ns.cloudflare.com dns.cloudflare.com 2399314448 10000 2400 604800 1800
Primary NS (mname)
elliot.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399314448
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elliot.ns.cloudflare.com
sharon.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
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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