Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biud.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 01:07:57 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- mx._domainkey.mg.biud.com.br
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- mx._domainkey.mg.biud.com.br: 0
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 104.26.13.6 (no PTR)
- 104.26.12.6 (no PTR)
- 172.67.75.139
- 2606:4700:20::681a:d06
- 2606:4700:20::ac43:4b8b
- 2606:4700:20::681a:c06
Mail Server IPs
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
nina.ns.cloudflare.com dns.cloudflare.com 2400033876 10000 2400 604800 1800
Primary NS (mname)
nina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400033876
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
zod.ns.cloudflare.com
nina.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mailersend.net include:mailgun.org include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._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
5 records- brevo-code:6eb8b7a31812c92ed72205ac38276f9c
- google-site-verification=gG_P5iIiz87d7OBCBTEzSXWuKa7tvtGtLxeOCDFghnE
- google-site-verification=hoXicoyE05Al5WtOWSc7_v2R8_Os9DuHTzkJty0Z2rw
- SPFv=spf1 include:_spf.mailersend.net include:mailgun.org include:_spf.google.com ~all
- MS=F14A8916C3C0CE5738992E7933A93258024B3F22
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