greenknow.co

Valid Email Server

Domain Overview

DNS: โœ“ 1mo ago Checker: โœ“ 1mo ago
greenknow.co
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-04-06 15:04:41 UTC ยท โ†บ Refresh

MX Hostnames

  • mail.greenknow.co

MX Priorities

  • mail.greenknow.co: 0

A / AAAA Records

  • 190.8.176.201 โ†ฉ marcos.colombiahosting.com.co

Mail Server IPs

  • 190.8.176.201 โ†ฉ marcos.colombiahosting.com.co

SOA Record

Raw SOA ns1.colombiahosting.com alexander.colombiahosting.com.co 2026032300 3600 1800 1209600 86400
Primary NS (mname)
ns1.colombiahosting.com
Admin Email (rname)
alexander@colombiahosting.com.co
Serial
2026032300
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.colombiahosting.com
ns2.colombiahosting.com
ns4.colombiahosting.com
ns1.colombiahosting.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:_spf.colhost.com include:md02.com include:spf.protection.outlook.com mx ~all
๐Ÿ“Š DNS lookups: 4/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 1 found
default._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ 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
  • MS=ms35087288
  • SPFv=spf1 include:_spf.colhost.com include:md02.com include:spf.protection.outlook.com mx ~all
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