Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marcomarketing.com.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 03:43:13 UTC · ↺ Refresh
MX Hostnames
- mx01.mi.com.co
- mx01.mi.com.co
MX Priorities
- mx01.mi.com.co: 5
- mx01.mi.com.co: 10
A / AAAA Records
- 107.180.55.18 ↩ 18.55.180.107.host.secureserver.net
Mail Server IPs
- 200.25.12.146 ↩ smtp-out-1014.mi.com.co
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.marcomarketing.com.co 2023053002 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@marcomarketing.com.co
Serial
2023053002
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver03.mi.com.co
nameserver02.mi.com.co
nameserver01.mi.com.co
nameserver04.mi.com.co
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mi.com.co ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];pct=100;ruf=mailto:[email protected];fo=0:d:s;aspf=s;adkim=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 155 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:_spf.mi.com.co ~all
- DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClHusHqBlTJv4O58qB4WgOWdQofTWH2KdJ3TqmOGe7YdoE9bYvTajhBBASWOFViu5t+6AYPmgZT3rfbgVpMigQ4O+Z6myhJOHT1dTNtM2EaYnghAQuqxiLXXG0vPDjvzdwh09M2S48kgcm6V/WSzuhLCqcWOMy6m44ft4HEIaeKQIDAQAB ----- DKIM key mail for marcomarketing.com.co
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