Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
comultrasan.com.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 03:53:57 UTC · ↺ Refresh
MX Hostnames
- correo.comultrasan.com.co
MX Priorities
- correo.comultrasan.com.co: 0
A / AAAA Records
- 8.242.213.199 (no PTR)
- 8.242.213.135 (no PTR)
- 186.118.188.135 (no PTR)
Mail Server IPs
- 8.242.213.134 ↩ correo.comultrasan.com.co
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.comultrasan.com.co 1773878400 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@comultrasan.com.co
Serial
1773878400
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
✓ Strict (-all)
v=spf1 ip4:190.255.44.11 ip4:8.242.213.134 ip4:8.242.213.198 ip4:186.118.188.134 include:spf.protection.outlook.com include:spf.masterbase.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 ip4:190.255.44.11 ip4:8.242.213.134 ip4:8.242.213.198 ip4:186.118.188.134 include:spf.protection.outlook.com include:spf.masterbase.com -all
- vH1zy07rheI4dD6wS01r8zOz/RgG6nK9Q5uq2E4SMubfUNk3dL3Z6Ftw5oJ5FbDAHPtab/uLvJOCCeknXWHogw==
- MS=ms32259970
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