Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mcbconsulting.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 07:37:13 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 52.70.51.125 ↩ ec2-52-70-51-125.compute-1.amazonaws.com
Mail Server IPs
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 172.253.115.27 ↩ bg-in-f27.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
SOA Record
Raw SOA
mia.ns.cloudflare.com dns.cloudflare.com 2398344293 10000 2400 604800 1800
Primary NS (mname)
mia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398344293
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
todd.ns.cloudflare.com
mia.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf.rdstation.com.br include:sendgrid.net include:_spf.locaweb.com.br ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; 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
2 records- google-site-verification=9wdHf-xSZ5h8vc2qP-ngJODnxS3ZEOA5IbvST-yb_9U
- SPFv=spf1 include:_spf.google.com include:_spf.rdstation.com.br include:sendgrid.net include:_spf.locaweb.com.br ~all
Full email verification for mcbconsulting.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits