ratlscontracting.com

Valid Email Server
Domain Lookup › ratlscontracting.com

Domain Overview

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

Checked via [email protected] · 2026-03-27 04:43:19 UTC · ↺ Refresh

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MX Hostnames

  • ratlscontracting-com.mail.protection.outlook.com

MX Priorities

  • ratlscontracting-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 13.226.94.79 ↩ server-13-226-94-79.jfk52.r.cloudfront.net
  • 13.226.94.68 ↩ server-13-226-94-68.jfk52.r.cloudfront.net
  • 13.226.94.101
  • 13.226.94.32

Mail Server IPs

  • 52.101.148.13 ↩ mail-dx2p273cu00205.inbound.protection.outlook.com
  • 52.101.147.1 ↩ mail-au1p273cu00101.inbound.protection.outlook.com
  • 52.101.148.1 ↩ mail-dx1p273cu00301.inbound.protection.outlook.com
  • 52.101.148.3 ↩ mail-dx3p273cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:cc30::1 ↩ mail-dx3p273cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc30::3 ↩ mail-dx2p273cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:cc2f:: ↩ mail-au1p273cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc30:: ↩ mail-dx1p273cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns-860.awsdns-43.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-860.awsdns-43.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-280.awsdns-35.com
ns-860.awsdns-43.net
ns-1376.awsdns-44.org
ns-1963.awsdns-53.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -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

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

2 records
  • MS=ms19252743
  • SPFv=spf1 include:spf.protection.outlook.com -all
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