biosector2.com

No Valid Email Server
Domain Lookup › biosector2.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
biosector2.com
No
None
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 03:50:00 UTC · ↺ Refresh

MX Hostnames

MX Priorities

  • : 0

A / AAAA Records

  • 104.26.9.35 (no PTR)
  • 172.67.72.107 (no PTR)
  • 104.26.8.35 (no PTR)
  • 2606:4700:20::681a:823 (no PTR)
  • 2606:4700:20::ac43:486b (no PTR)
  • 2606:4700:20::681a:923 (no PTR)

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA art.ns.cloudflare.com dns.cloudflare.com 2399635464 10000 2400 604800 1800
Primary NS (mname)
art.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399635464
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

art.ns.cloudflare.com
may.ns.cloudflare.com

SPF Record

✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No 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

3 records
  • MS=ms99196608
  • google-site-verification=cZKFkHk7Vlyib5T8zqLoKcgPUjgtIynLsJ4MAKOYQHE
  • SPFv=spf1 -all
Full email verification for biosector2.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits