Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
biofiltro.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 00:12:59 UTC · ↺ Refresh
MX Hostnames
- biofiltro-com.mail.protection.outlook.com
MX Priorities
- biofiltro-com.mail.protection.outlook.com: 0
A / AAAA Records
- 143.198.147.193 (no PTR)
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.60.2 ↩ mail-bnypr05cu00102.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f909::1 ↩ mail-bn0pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.digitalocean.com hostmaster.biofiltro.com 0 10800 3600 604800 1800
Primary NS (mname)
ns1.digitalocean.com
Admin Email (rname)
hostmaster@biofiltro.com
Serial
0
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3.digitalocean.com
ns2.digitalocean.com
ns1.digitalocean.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:zcsend.net include:mailgun.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; adkim=r; aspf=r; fo=1; ri=86400; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- u3qad0da7l4irlubj8cv7ohu28
- SPFv=spf1 include:spf.protection.outlook.com include:zcsend.net include:mailgun.org -all
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