coto.com.ar

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-02 15:21:18 UTC · ↺ Refresh

MX Hostnames

  • mail.coto.com.ar
  • coto.in.tmes.trendmicro.com
  • ntssmtp1.coto.com.ar
  • coto-com-ar.mail.protection.outlook.com
  • mail1.coto.com.ar
  • mail2.coto.com.ar

MX Priorities

  • mail2.coto.com.ar: 10
  • coto.in.tmes.trendmicro.com: 0
  • ntssmtp1.coto.com.ar: 10
  • mail.coto.com.ar: 5
  • coto-com-ar.mail.protection.outlook.com: 20
  • mail1.coto.com.ar: 5

A / AAAA Records

  • 200.61.220.157

Mail Server IPs

  • 200.51.92.131 ↩ mail.coto.com.ar
  • 18.208.22.78 ↩ in.tmes.trendmicro.com
  • 18.208.22.80 ↩ in.tmes.trendmicro.com
  • 18.208.22.79 ↩ in.tmes.trendmicro.com
  • 18.208.22.77 ↩ in.tmes.trendmicro.com
  • 186.125.202.52 ↩ ntssmtp1.coto.com.ar
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 2a01:111:f403:c803::
  • 2a01:111:f403:f90c::
  • 2a01:111:f403:f908::2
  • 2a01:111:f403:f804::3

SOA Record

Raw SOA jazzy.arnet.com.ar dnsmaster.arnet.net.ar 3130001548 86400 7200 3600000 86400
Primary NS (mname)
jazzy.arnet.com.ar
Admin Email (rname)
dnsmaster@arnet.net.ar
Serial
3130001548
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

oktubre.arnet.com.ar
gulp.arnet.com.ar

SPF Record

✓ Strict (-all)
v=spf1 ip4:200.51.92.131 ip4:186.125.202.52 ip4:190.221.22.172 ip4:181.45.253.90 include:spf.protection.outlook.com include:spf-us.tmes.trendmicro.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

11 records
  • ONEB62PMCQJ35J8MQHUGXCT197ASWC5COOHC0PUQ
  • O2OPC5H6TXLO81G4BT8H14DD5T69SDZKDM0V77D9
  • jk6gkbn5tym95bhhvxsp9h0673lvhpzq
  • MS=EAB34E336739B9F8B5696E91EEA59B0956EE333F
  • SPFv=spf1 ip4:200.51.92.131 ip4:186.125.202.52 ip4:190.221.22.172 ip4:181.45.253.90 include:spf.protection.outlook.com include:spf-us.tmes.trendmicro.com -all
  • g75xdb2d7d84r5hxz7mf9mqxr937ftgr
  • MS=ms82565479
  • msfpkey=55cgyfatpvj6765fhju9aqxum
  • x0rxTTr6O0Aa0W6q0+bwmw40xQu2QfabEZ36Or2KcvQEz1Y1fpyg51bD7twCS3CS6bUmkz8TOtdPMT9oay3d3w==
  • _acme-challenge.nubevpn.coto.com.ar BVUlrQVVPuVS9So8iOUZVuaAQxK_e1Kmo5JVQaCwzoA
  • atlassian-domain-verification=Zy6nXTUHnjvxrdw2XMBBaG4wrlfl69kUnERFB5j5mpuLF83HnLXBn5bvA//kkFo4
Full email verification for coto.com.ar

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits