simpsonunlimited.com

Valid Email Server
Domain Lookup › simpsonunlimited.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
simpsonunlimited.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 04:59:19 UTC · ↺ Refresh

MX Hostnames

  • simpsonunlimited-com.mail.protection.outlook.com

MX Priorities

  • simpsonunlimited-com.mail.protection.outlook.com: 5

A / AAAA Records

  • 199.16.172.35 (no PTR)
  • 199.16.173.67 (no PTR)

Mail Server IPs

  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.domain.com dnsadmin.domain.com 125110806 10800 3600 604800 3600
Primary NS (mname)
ns1.domain.com
Admin Email (rname)
dnsadmin@domain.com
Serial
125110806
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.domain.com
ns1.domain.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com IP4:98.129.229.74 include:_spf.salesforce.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 4 found
google._domainkey
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms36938359
  • SPFv=spf1 include:_spf.google.com IP4:98.129.229.74 include:_spf.salesforce.com include:spf.protection.outlook.com ~all
  • 8m3161ocdc5j9rgqv5t2i9mdac
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