Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
unitdyc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 17:43:16 UTC · ↺ Refresh
MX Hostnames
- mail.unitdyc.com
MX Priorities
- mail.unitdyc.com: 0
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 190.8.176.58 ↩ isaac.colombiahosting.com.co
SOA Record
Raw SOA
ns1.colombiahosting.com sysadmin.colombiahosting.com.co 2026040405 3600 1800 1209600 86400
Primary NS (mname)
ns1.colombiahosting.com
Admin Email (rname)
sysadmin@colombiahosting.com.co
Serial
2026040405
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.colombiahosting.com
ns4.colombiahosting.com
ns3.colombiahosting.com
ns1.colombiahosting.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:190.8.176.58 +a +mx +ip4:190.8.176.14 +include:_spf.colhost.com +include:md02.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
default._domainkey
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:190.8.176.58 +a +mx +ip4:190.8.176.14 +include:_spf.colhost.com +include:md02.com -all
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