cotech.com.ar

Valid Email Server
Domain Lookup › cotech.com.ar

Domain Overview

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

Checked via [email protected] · 2026-03-24 07:54:13 UTC · ↺ Refresh

MX Hostnames

  • cotech-com-ar.mail.protection.outlook.com

MX Priorities

  • cotech-com-ar.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.56.181 (no PTR)
  • 172.67.155.69 (no PTR)
  • 2606:4700:3033::ac43:9b45
  • 2606:4700:3036::6815:38b5

Mail Server IPs

  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA martin.ns.cloudflare.com dns.cloudflare.com 2398006836 10000 2400 604800 1800
Primary NS (mname)
martin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398006836
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

meadow.ns.cloudflare.com
martin.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com ~all
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