Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biosimtec.com.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 06:11:42 UTC · ↺ Refresh
MX Hostnames
- mail.biosimtec.com.co
MX Priorities
- mail.biosimtec.com.co: 0
A / AAAA Records
- 142.4.217.117 ↩ mx1.bpoconsulting.net
- 216.198.79.1 (no PTR)
Mail Server IPs
- 190.8.178.39 ↩ mail6.correopremium.com
SOA Record
Raw SOA
gestorpanda.mercury.orderbox-dns.com rapolinar.biosimtec.com.co 2026030901 7200 7200 172800 7200
Primary NS (mname)
gestorpanda.mercury.orderbox-dns.com
Admin Email (rname)
rapolinar@biosimtec.com.co
Serial
2026030901
Refresh
7200s
Retry
7200s
Expire
172800s
Minimum TTL
7200s
Nameservers (NS)
gestorpanda.mars.orderbox-dns.com
gestorpanda.mercury.orderbox-dns.com
gestorpanda.venus.orderbox-dns.com
gestorpanda.earth.orderbox-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.correopremium.com include:md02.com include:_spf.colhost.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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- DMARCv=DMARC1; p=quarantine; rua=mailto:[email protected]
- SPFv=spf1 include:_spf.correopremium.com include:md02.com include:_spf.colhost.com ~all
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