Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grasco.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 23:58:29 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 0
- mx02.hornetsecurity.com: 1
- mx03.hornetsecurity.com: 2
- mx04.hornetsecurity.com: 3
A / AAAA Records
- 46.202.182.112 (no PTR)
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.grasco.com 1773878400 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@grasco.com
Serial
1773878400
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver01.mi.com.co
nameserver04.mi.com.co
nameserver03.mi.com.co
nameserver02.mi.com.co
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com ip4:208.87.233.190 ip4:208.87.234.190 include:spf.hornetsecurity.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ 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
1 record- SPFv=spf1 mx include:spf.protection.outlook.com ip4:208.87.233.190 ip4:208.87.234.190 include:spf.hornetsecurity.com -all
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