southwestspring.com

Valid Email Server
Domain Lookup › southwestspring.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 07:41:37 UTC · ↺ Refresh

MX Hostnames

  • mx3.mtaroutes.com
  • mx1.mtaroutes.com
  • mx2.mtaroutes.com
  • southwestspring-com.mail.protection.outlook.com
  • mx4.mtaroutes.com

MX Priorities

  • southwestspring-com.mail.protection.outlook.com: 0
  • mx1.mtaroutes.com: 10
  • mx2.mtaroutes.com: 20
  • mx3.mtaroutes.com: 30
  • mx4.mtaroutes.com: 40

A / AAAA Records

  • 162.255.119.205

Mail Server IPs

  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 38.89.254.156
  • 2001:550:2:61::2fc:100
  • 2001:550:2:3::62:100
  • 38.101.250.150

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1725739080 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1725739080
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns1.registrar-servers.com
dns2.registrar-servers.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:75.146.128.114 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com ip4:75.146.128.114 -all
  • MS=ms41020769
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