supertexinc.com

Valid Email Server
Domain Lookup › supertexinc.com

Domain Overview

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

Checked via [email protected] · 2026-03-22 04:21:17 UTC · ↺ Refresh

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MX Hostnames

  • supertexinc-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 35.208.83.55 ↩ 55.83.208.35.bc.googleusercontent.com

Mail Server IPs

  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-auth.etb.net.co postmaster.etb.net.co 86 300 300 2419200 900
Primary NS (mname)
ns1-auth.etb.net.co
Admin Email (rname)
postmaster@etb.net.co
Serial
86
Refresh
300s
Retry
300s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

ns1-auth.etb.net.co
ns2-auth.etb.net.co

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:190.242.42.39 ip4:45.169.253.180 include:amazonses.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

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

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

All TXT Records

4 records
  • google-site-verification=KXuY7VDa33Rm_3luWKE5iOHDgerpJmzimCSK_8Z7BBs
  • globalsign-domain-verification=CJaw_y7gdn_Ysg5iZA_tmN8KvIouDzclgKnKxvkAWQ
  • MS=ms54361394
  • SPFv=spf1 mx a ip4:190.242.42.39 ip4:45.169.253.180 include:amazonses.com include:spf.protection.outlook.com -all
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