Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
infocwb.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 21:03:16 UTC · ↺ Refresh
MX Hostnames
- mx2.mailchannels.net
- mx1.mailchannels.net
MX Priorities
- mx1.mailchannels.net: 0
- mx2.mailchannels.net: 0
A / AAAA Records
- 170.82.173.30 (no PTR)
- 170.82.174.30 (no PTR)
Mail Server IPs
- 18.236.29.166 ↩ ec2-18-236-29-166.us-west-2.compute.amazonaws.com
- 52.38.143.159 ↩ ec2-52-38-143-159.us-west-2.compute.amazonaws.com
SOA Record
Raw SOA
ns1.dreamhost.com hostmaster.dreamhost.com 2026031200 17745 600 1814400 60
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2026031200
Refresh
17745s
Retry
600s
Expire
1814400s
Minimum TTL
60s
Nameservers (NS)
ns3.dreamhost.com
ns2.dreamhost.com
ns1.dreamhost.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.rdstation.com.br include:sendgrid.net include:relay.mailchannels.net include:mailgun.org ~all
📊 DNS lookups: 4/10
~ 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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- MS=47E4DCDD0F5C3489787227C5D35E5A0974C1F0E4
- DMARCv=DMARC1; p=none; rua=mailto:[email protected]
- google-site-verification=F0hUlsiLvPaiBp_dUR9xD16927GIPxw2SUmorNTF4bc
- MS=ms20312513
- google-site-verification=iu-dW5XC-fQVU7cLBfgqYMjzDMemNAyt-FSBcTFKY0c
- SPFv=spf1 include:_spf.rdstation.com.br include:sendgrid.net include:relay.mailchannels.net include:mailgun.org ~all
Full email verification for infocwb.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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