cos.com.co

Valid Email Server
Domain Lookup › cos.com.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cos.com.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-03 02:27:25 UTC · ↺ Refresh

MX Hostnames

  • mailstore1.secureserver.net
  • smtp.secureserver.net

MX Priorities

  • mailstore1.secureserver.net: 10
  • smtp.secureserver.net: 0

A / AAAA Records

  • 15.197.148.33 ↩ a2aa9ff50de748dbe.awsglobalaccelerator.com
  • 3.33.130.190 ↩ a2aa9ff50de748dbe.awsglobalaccelerator.com

Mail Server IPs

  • 216.69.141.162 ↩ osplibsmtp02-v02.prod.phx3.secureserver.net
  • 216.69.141.114 ↩ osplibsmtp03-v02.prod.phx3.secureserver.net
  • 216.69.141.78 ↩ osplibsmtp01-v02.prod.phx3.secureserver.net
  • 216.69.141.71 ↩ osplibsmtp01-v01.prod.phx3.secureserver.net
  • 216.69.141.113 ↩ osplibsmtp03-v01.prod.phx3.secureserver.net
  • 216.69.141.84 ↩ osplibsmtp02-v01.prod.phx3.secureserver.net

SOA Record

Raw SOA ns19.domaincontrol.com dns.jomax.net 2023112407 28800 7200 604800 3600
Primary NS (mname)
ns19.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2023112407
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns19.domaincontrol.com
ns20.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

8 records
  • google-site-verification=FjpnagM0gJ8qTwgZ6YrE3PNuOR0-MNr2k4hF9zFVUJY
  • google-site-verification=uR24r-Qw7CME9ludxOKwuwUgSyvjZhgv-c6ltEBS7lw
  • MS=9714F02A2EA25CA8B12590DE5C9B8C15DC01336D
  • SPFv=spf1 include:secureserver.net -all
  • D4320284
  • google-site-verification=Jm3t_PfqQITUY4jNY-evKquoJwy-ZmFj1OwKTiKehOs
  • google-site-verification=3tnT5_4EnY8vi4M7YRg7eTp-LDmjhoM6_Eb0YEHnr9U
  • google-site-verification=alEjXooPjzdxJXFhWtrZMGl0UPF_bVEmo2jO7ShGs28
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