drs1.com

Valid Email Server
Domain Lookup › drs1.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
drs1.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 00:01:11 UTC · ↺ Refresh

MX Hostnames

  • drs1-com.mail.protection.outlook.com

MX Priorities

  • drs1-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 206.72.14.233 ↩ drs1.com

Mail Server IPs

  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com

SOA Record

Raw SOA dns0.easydns.com zone.easydns.com 1496713310 21600 10800 1209600 300
Primary NS (mname)
dns0.easydns.com
Admin Email (rname)
zone@easydns.com
Serial
1496713310
Refresh
21600s
Retry
10800s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

dns2.easydns.net
dns3.easydns.ca
dns1.easydns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:104.42.237.173 ip4:104.42.231.243 ip4:104.40.52.235 ip4:104.40.61.96 -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
  • SPFv=spf1 include:spf.protection.outlook.com ip4:104.42.237.173 ip4:104.42.231.243 ip4:104.40.52.235 ip4:104.40.61.96 -all
  • MS=ms61547340
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