b2blanguages.com.br

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
b2blanguages.com.br
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 01:29:33 UTC · ↺ Refresh

MX Hostnames

  • mx.zoho.com
  • mx2.zoho.com
  • mx3.zoho.com

MX Priorities

  • mx.zoho.com: 10
  • mx2.zoho.com: 20
  • mx3.zoho.com: 50

A / AAAA Records

  • 185.199.110.153 ↩ cdn-185-199-110-153.github.com
  • 185.199.109.153 ↩ cdn-185-199-109-153.github.com
  • 185.199.108.153 ↩ cdn-185-199-108-153.github.com
  • 185.199.111.153 ↩ cdn-185-199-111-153.github.com

Mail Server IPs

  • 136.143.191.44 ↩ mx3.zohomail.com
  • 136.143.183.44 ↩ mx3.zohomail.com

SOA Record

Raw SOA b.sec.dns.br hostmaster.registro.br 2026069000 86400 900 604800 900
Primary NS (mname)
b.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026069000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

c.sec.dns.br
b.sec.dns.br

SPF Record

✓ Soft Fail (~all)
v=spf1 include:zohomail.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • zoho-verification=zb10475339.zmverify.zoho.com
  • SPFv=spf1 include:zohomail.com ~all
Full email verification for b2blanguages.com.br

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