Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
siaco.com.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 09:24:11 UTC · ↺ Refresh
MX Hostnames
- mx03.mi.com.co
- mx01.mi.com.co
MX Priorities
- mx01.mi.com.co: 10
- mx03.mi.com.co: 5
A / AAAA Records
- 44.211.14.38 ↩ ec2-44-211-14-38.compute-1.amazonaws.com
Mail Server IPs
- 200.25.12.146 ↩ smtp-out-1014.mi.com.co
- 200.25.12.145 ↩ smtp-out-1013.mi.com.co
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.siaco.com.co 2025061802 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@siaco.com.co
Serial
2025061802
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver04.mi.com.co
nameserver01.mi.com.co
nameserver03.mi.com.co
nameserver02.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
✗ 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
✓ 1 found
mail._domainkey
✓ Public key: 392 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
- MS=ms23887150
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