tetravs.com

Valid Email Server
Domain Lookup › tetravs.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 15:48:30 UTC · ↺ Refresh

MX Hostnames

  • tetravs-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 18.189.89.211 ↩ ec2-18-189-89-211.us-east-2.compute.amazonaws.com

Mail Server IPs

  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.p06.nsone.net hostmaster.nsone.net 1662470464 43200 7200 1209600 3600
Primary NS (mname)
dns1.p06.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1662470464
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns4.p06.nsone.net
dns1.p06.nsone.net
dns2.p06.nsone.net
dns3.p06.nsone.net

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
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms54658529
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