Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dorance.biz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 01:08:34 UTC · ↺ Refresh
MX Hostnames
- mail.dorance.biz
MX Priorities
- mail.dorance.biz: 0
A / AAAA Records
- 190.8.176.96 ↩ airel.colombiahosting.com.co
Mail Server IPs
- 190.8.176.96 ↩ airel.colombiahosting.com.co
SOA Record
Raw SOA
ns1.colombiahosting.com sysadmin.colombiahosting.com.co 2026032300 3600 1800 1209600 86400
Primary NS (mname)
ns1.colombiahosting.com
Admin Email (rname)
sysadmin@colombiahosting.com.co
Serial
2026032300
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.colombiahosting.com
ns1.colombiahosting.com
ns4.colombiahosting.com
ns3.colombiahosting.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.colhost.com include:md02.com include:spf.ipzmarketing.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- SPFv=spf1 include:_spf.colhost.com include:md02.com include:spf.ipzmarketing.com -all
- google-site-verification=gPiWhLWEfrSsP6NwjSeNgNwZQH_vHaq6HIzVDjXOHO8
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