biznesmanager.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
biznesmanager.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 06:10:28 UTC · ↺ Refresh

MX Hostnames

  • lastmx.spamexperts.net
  • fallbackmx.spamexperts.eu
  • mx.spamexperts.com

MX Priorities

  • mx.spamexperts.com: 10
  • lastmx.spamexperts.net: 30
  • fallbackmx.spamexperts.eu: 20

A / AAAA Records

  • 69.46.20.242

Mail Server IPs

  • 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
  • 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 154.59.104.23 ↩ fe2-r3-in.ams14.l.antispamcloud.com
  • 149.13.75.27 ↩ fe1-r3-in.fra02.l.antispamcloud.com
  • 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 2001:978:2:7::162:100 ↩ fe1-r3-in.fra02.l.antispamcloud.com
  • 2001:550:2:61::2fc:100 (no PTR)
  • 2001:978:2:2c::137:100 ↩ fe2-r3-in.ams14.l.antispamcloud.com
  • 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com

SOA Record

Raw SOA ns1.kuznetsov.com.mx alexzitro.gmail.com 2026031101 3600 1800 1209600 86400
Primary NS (mname)
ns1.kuznetsov.com.mx
Admin Email (rname)
alexzitro@gmail.com
Serial
2026031101
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.kuznetsov.com.mx
ns2.kuznetsov.com.mx

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:162.216.4.74 ip4:69.46.20.242 ip4:200.52.68.197 +a +mx +ip4:170.10.162.17 +ip4:198.23.62.221 +ip4:198.23.62.44 +ip4:198.23.62.48 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

1 record
  • SPFv=spf1 ip4:162.216.4.74 ip4:69.46.20.242 ip4:200.52.68.197 +a +mx +ip4:170.10.162.17 +ip4:198.23.62.221 +ip4:198.23.62.44 +ip4:198.23.62.48 ~all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for biznesmanager.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits