Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
duffycrane.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 09:19:42 UTC · ↺ Refresh
MX Hostnames
- duffycrane-com.mail.protection.outlook.com
MX Priorities
- duffycrane-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.185.159.145 (no PTR)
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
daisy.ns.cloudflare.com dns.cloudflare.com 2397936711 10000 2400 604800 1800
Primary NS (mname)
daisy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397936711
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lou.ns.cloudflare.com
daisy.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.235.229.44 ip4:52.230.250.40 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=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
3 records- fekr589onpoes086nhrcrncctp
- SPFv=spf1 ip4:50.235.229.44 ip4:52.230.250.40 include:spf.protection.outlook.com -all
- MS=ms47479503
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