tecmarsa.com

Valid Email Server
Domain Lookup › tecmarsa.com

Domain Overview

DNS: ✓ 3mo ago Checker: ✓ 3mo ago
tecmarsa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-16 00:31:14 UTC · ↺ Refresh

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MX Hostnames

  • tecmarsa-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 67.227.214.110 ↩ rosas.duplika.com

Mail Server IPs

  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA nic.ns.duplika.com servers.duplika.com 2026061600 3600 1800 1209600 86400
Primary NS (mname)
nic.ns.duplika.com
Admin Email (rname)
servers@duplika.com
Serial
2026061600
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

emi.ns.duplika.com
nic.ns.duplika.com
rei.ns.duplika.com
mar.ns.duplika.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:67.227.214.110 include:spf.duplika.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

2 records
  • google-site-verification=3_hej3rO6z-rTXg-07gfXSbtW401lI_n5xLVrMSAykI
  • SPFv=spf1 ip4:67.227.214.110 include:spf.duplika.com include:spf.protection.outlook.com -all
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