exbsolutions.com

Valid Email Server
Domain Lookup › exbsolutions.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
exbsolutions.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 05:09:53 UTC · ↺ Refresh

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MX Hostnames

  • exbsolutions-com.mail.protection.office365.us

MX Priorities

  • exbsolutions-com.mail.protection.office365.us: 0

A / AAAA Records

  • 192.252.156.11 ↩ s437.sureserver.com

Mail Server IPs

  • 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
  • 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.hover.com dnsmaster.hover.com 1731077632 1800 900 604800 300
Primary NS (mname)
ns1.hover.com
Admin Email (rname)
dnsmaster@hover.com
Serial
1731077632
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1.hover.com
ns2.hover.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.office365.us ip4:209.202.128.38 ip4:174.141.196.209 ip4:174.141.196.218 ip4:184.191.143.222 include:_spf.bullhornmail.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → 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

3 records
  • MS=ms13433202
  • SPFv=spf1 include:spf.protection.office365.us ip4:209.202.128.38 ip4:174.141.196.209 ip4:174.141.196.218 ip4:184.191.143.222 include:_spf.bullhornmail.com -all
  • MS=ms92758450
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