Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
markweb.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 22:31:14 UTC · ↺ Refresh
MX Hostnames
- markweb.com.br
MX Priorities
- markweb.com.br: 0
A / AAAA Records
- 66.7.218.190 ↩ rbr39.dizinc.com
Mail Server IPs
- 66.7.218.190 ↩ rbr39.dizinc.com
SOA Record
Raw SOA
ns2442.dizinc.com maycon1412.gmail.com 2026022500 86400 7200 3600000 86400
Primary NS (mname)
ns2442.dizinc.com
Admin Email (rname)
maycon1412@gmail.com
Serial
2026022500
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2442.dizinc.com
ns2443.dizinc.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:66.7.218.191 +ip4:66.7.218.192 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx +ip4:66.7.218.191 +ip4:66.7.218.192 -all
- google-site-verification=AApflGzf2z74IR6JUkq4zo7xNfq9EnshuAqm3mRwmec
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