Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
williamhharding.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 17:15:47 UTC · ↺ Refresh
MX Hostnames
- williamhharding-com.mail.protection.outlook.com
MX Priorities
- williamhharding-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.86.55 (no PTR)
- 172.67.215.88 (no PTR)
- 2606:4700:3031::ac43:d758
- 2606:4700:3036::6815:5637
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
cosmin.ns.cloudflare.com dns.cloudflare.com 2398287966 10000 2400 604800 1800
Primary NS (mname)
cosmin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398287966
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cosmin.ns.cloudflare.com
sandy.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; pct=100; adkim=r; aspf=r; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:d:s
~ 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
3 records- v=verifydomain MS=9829206
- dropbox-domain-verification=1z2zum2vd423
- SPFv=spf1 include:spf.protection.outlook.com -all
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