bycoders.com.br

Valid Email Server
Domain Lookup › bycoders.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bycoders.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 16:03:19 UTC · ↺ Refresh

MX Hostnames

  • alt4.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 104.21.43.107
  • 172.67.178.37
  • 2606:4700:3030::6815:2b6b
  • 2606:4700:3037::ac43:b225

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.251.167.26 ↩ ww-in-f26.1e100.net
  • 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA david.ns.cloudflare.com dns.cloudflare.com 2398374738 10000 2400 604800 1800
Primary NS (mname)
david.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398374738
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

priscilla.ns.cloudflare.com
david.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.locaweb.com.br include:_spf.google.com ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 4 found
google._domainkey
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • google-site-verification=oUfcPhYUiC-zEe1oFkLA5UAEyy-8Clh9BCA8BjdfM1s
  • google-site-verification=v5V2DGGq2JyJmaNgOzvjA3yfFKJD_X0WTkEYrppDe-Y
  • openai-domain-verification=dv-Hl4pQdPiuIlsx3Sk0WLxRPGg
  • SPFv=spf1 include:_spf.locaweb.com.br include:_spf.google.com ?all
  • 1password-site-verification=JU5XULI5VBGJLO4KN5UNNPGPDA
  • atlassian-domain-verification=wc9Sg96mc7CvnRtsuxW/wNwyA6eagB6qfGYpNjfHORdtgjGYjaBedVIq9Y7k66Rb
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