Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dexone.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 03:14:32 UTC · ↺ Refresh
MX Hostnames
- dexone-com.mail.protection.outlook.com
MX Priorities
- dexone-com.mail.protection.outlook.com: 10
A / AAAA Records
- 151.138.22.61 (no PTR)
Mail Server IPs
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.thryvinc-ns.com postmaster.rhd.com 2022022016 10800 3600 2419200 300
Primary NS (mname)
ns1.thryvinc-ns.com
Admin Email (rname)
postmaster@rhd.com
Serial
2022022016
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1.thryvinc-ns.com
ns2.thryvinc-ns.com
ns3.thryvinc-ns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;rua=mailto:[email protected];ruf=mailto:[email protected];pct=100;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
4 records- google-site-verification=K8E4kJPa8inR6wLFWiZ39SErExyqikufJIygjfJe1yM
- SPFv=spf1 include:spf.protection.outlook.com include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
- MS=ms95877436
- UJloJUyvPdboro/BocNHLs0bI8KQu8YFwfofY0otv4cHjqUpjl0Y9htVxQguqqkGo4CUSyLopeX3i1om0/6e/Q==
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