biostarsa.com

Valid Email Server
Domain Lookup › biostarsa.com

Domain Overview

DNS: ✓ 4h ago Checker: ✓ 4h ago
biostarsa.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 12:14:11 UTC · ↺ Refresh

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MX Hostnames

  • biostarsa.com

MX Priorities

  • biostarsa.com: 0

A / AAAA Records

  • 190.8.176.246 ↩ bernabe.colombiahosting.com.co

Mail Server IPs

  • 190.8.176.246 ↩ bernabe.colombiahosting.com.co

SOA Record

Raw SOA ns1.colombiahosting.com alexander.colombiahosting.com.co 2026051800 3600 1800 1209600 86400
Primary NS (mname)
ns1.colombiahosting.com
Admin Email (rname)
alexander@colombiahosting.com.co
Serial
2026051800
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.colombiahosting.com
ns3.colombiahosting.com
ns2.colombiahosting.com
ns4.colombiahosting.com

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:190.8.176.100 +ip4:190.8.176.107 +ip4:67.210.244.44 +include:_spf.colhost.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
default._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
  • google-site-verification=wOun16fPMC-NklR4ke8gc6nlNncVeV14UwXkfWdAByQ
  • SPFv=spf1 +a +mx +ip4:190.8.176.100 +ip4:190.8.176.107 +ip4:67.210.244.44 +include:_spf.colhost.com -all
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