Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
b3net.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 12:19:13 UTC · ↺ Refresh
MX Hostnames
- mx2.emailsrvr.com
- mx1.emailsrvr.com
MX Priorities
- mx2.emailsrvr.com: 20
- mx1.emailsrvr.com: 10
A / AAAA Records
- 77.37.44.155 ↩ srv791802.hstgr.cloud
Mail Server IPs
- 108.166.43.2 ↩ mx2.emailsrvr.com
- 146.20.161.2 ↩ mx2.emailsrvr.com
- 173.203.187.2 ↩ mx2.emailsrvr.com
- 184.106.54.2 ↩ mx2.emailsrvr.com
- 108.166.43.1 ↩ mx1.emailsrvr.com
- 184.106.54.1 ↩ mx1.emailsrvr.com
- 173.203.187.1 ↩ mx1.emailsrvr.com
- 146.20.161.1 ↩ mx1.emailsrvr.com
SOA Record
Raw SOA
ns23.domaincontrol.com dns.jomax.net 2026020302 28800 7200 604800 600
Primary NS (mname)
ns23.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020302
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns24.domaincontrol.com
ns23.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:emailsrvr.com include:sender.zohobooks.com include:zcsend.net include:spf.brevo.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._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
4 records- brevo-code:b5b195f3e31468ee83d66fb0ce490057
- openai-domain-verification=dv-SrcCOjCIAWfxv3hbCy7wkYdz
- SPFv=spf1 include:emailsrvr.com include:sender.zohobooks.com include:zcsend.net include:spf.brevo.com -all
- google-site-verification=C1UdTffUOnqju-nh1qVtC7CY1RlX9EBfIqtCctRD87Y
Full email verification for b3net.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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