Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cd2.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 11:13:33 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 151.106.97.169 (no PTR)
Mail Server IPs
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
SOA Record
Raw SOA
ns-550.awsdns-04.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-550.awsdns-04.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1728.awsdns-24.co.uk
ns-359.awsdns-44.com
ns-550.awsdns-04.net
ns-1453.awsdns-53.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 228 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
1 record- SPFv=spf1 include:_spf.google.com include:_spf.rdstation.com.br include:sendgrid.net ~all
Full email verification for cd2.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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